Top 5 Problems Jeep Wrangler JK SUV 3rd Generation 2007-2018

Shop for New Auto Parts at 1AAuto.com 1aau.to/c/137/N/gaskets
Do you want to know the top problems with the Jeep Wrangler JK? In this video, Andy discusses the top problems based on our own findings, and reports from mechanics across the country! He also offers solutions to those problems!
What other top problems videos would you like to see? Let us know in the comments!
Check out this playlist for more top problems videos!
• Top Problems with Your...
Check here for more JK Wrangler Videos!
• Jeep Wrangler 2007-201...
How to Back Flush Your Heater Core Yourself:
• How to Back Flush Your...
0:00 Top Problems Jeep Wrangler 3rd Generation 2007-18
0:20 Heater Core
1:14 EVAP Codes
2:08 Valve Cover Gaskets
2:42 Oxygen (O2) Sensors
3:04 Water Leaks
For More Info visit us at 1aau.to/h/cdT/
⚠ DISCLAIMER:
While 1A Auto strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. All do-it-yourself projects entail some risk. It is the sole responsibility of the viewer to assume this risk. 1A Auto is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video.

[@1AAuto]

√ *Watch the Video* √ *Buy The Part at 1A Auto* 1aau.to/m/Visit-1AAuto √ *Do it Yourself* √ *Save Money*

[@SkullanGuns]

Start checking you brake lines by the wheels.

[@robertcasseus1050]

0

[@theunknown4570]

My main problem with it was the payment. Every month I had a problem with it.

[@tinachang2657]

😂

[@louannmcelheny541]

Lol

[@glennroberts3069]

Damn that's a good one! Thank you!

[@beeveeh]

didu ever drive the thing in the rain& NOT CURSE when you opened the door ? JEEP DESIGNED A ROOF RIVER 👎🏼 idiots

[@bernardbarbour]

Hahahahahahahahaha.

[@ethanmcleod8819]

So from my experience; -At about 70,000 miles or so your driver’s side header will crack. Same place same crack every time on OEM headers. Something wrong with the cast iron molds they used to make them. -The radiator will always spring a leak at some point. This problem seems to be consistent on both OEM and aftermarket radiators so hopefully you just get a good one. -All the MOPAR gaskets are unfortunately made by MOPAR so they will all get hard, crack and leak. Main leaks for both 3.8L and 3.6L are valve covers, upper oil pan, and front crank seal. And if you have a 3.6L expect the rear main seal to leak and the oil filter housing to leak as well. -Expect all lines that use a crimp on fitting, to connect a hard line to a soft line, to leak. Especially on the transmission cooler lines and power steering lines. -Expect the nylon bushings that connect your shift levers, both the automatic shit lever and the 4wd shift lever, to break. There are 4 total. They connect the levers to the cables and the cables to the shift arms on the transmission and transfer case perspectively. They dry rot and break. -If you buy a new Jeep, do yourself a favor and tighten the castle nuts down on your balljoints. From the factory they are always too loose and you might experience death wobble. The manufacturer torques the balljoints down when it’s just a bare rolling frame with no weight. After final assembly the vehicle weighs a lot more than it did during the initial torquing of the balljoints. The joints will compress and become loose. -Being that it has a Chrysler motor with hydraulic lifters, you will get the infamous “Hemi Tick”. Don’t worry. Never really progresses to more than just an annoying tick at startup on the small 3.8L and 3.6L. Not really worth replacing the lifters because it will just come right back. You’ll eventually hear it at startup, but once you build oil pressure and the engine warms up, it goes away. And it’s not like in the Hemi engines where it will eat the lobes off your camshaft. Just do your oil changes and maybe run some marvel mystery oil through your engine every now and then to help bust off gunk and clear the oil ports in the lifters so they can build pressure and actually dampen again. The tick is just the slop in the lifters, slapping around until oil fills them up to hydraulically dampen them. -The rest is just normal wear and tear that every vehicle will get after a long life on the road. But that just about covers the vehicle specific problems.

[@sparcnyan]

This guy has THE most relaxing voice, wow.

[@conniebennett6646]

No lie I'm sleepy now. Lmbo

[@jeromeshockley9572]

You notice too, huh. Lol!

[@panzer5050]

He relaxes any problem away...

[@diamondsimms]

like Mr. Rogers

[@jonmr1]

Which means he can probably go shell in 10 seconds flat. Excellent video btw

[@gabrielsaldana3611]

Oil cooler/filter housing is definitely one that should be on the list... mine gave out at 108k miles... very common issue

[@benjamindion7221]

Bought a 2017 JK Sahara from a Ford dealership 72,000 miles .Really excited for my first Wrangler. Got done the paperwork about to drive it off the lot, then BING!! Check engine came on. They told me take it home they will pick it up, provide a loaner and fix it. Ended up being valve cover gasket. So far everything the dealership told me they would do, they certainly have done. I understand when you buy a used vehicle these things happen. Cautiously optimistic, moving forward.

[@crbourret]

I also found with the water leaks issue on my daughters Jeep that after installing a new door seal I was able to adjust the hinges to get the door to close a little tighter and that helped stop the leaks too.

[@Bruce6001]

You could have just taken the doors off and bought her a rain suit

[@braddunn5983]

i think my jeep needs this done, i have replaced door seals, b pillar muckets and foam along the top. What is the best way to adjust the door without getting it out of wack too bad?

[@rapidicus6487]

yep most of the time i have noticed its the door that is sagging causing a leak on front of door and top rear.

[@mosman93]

I own a 6 speed 2012 Wrangler JKU. Currently 141,000 Miles Things I've had fixed: T-Stat, Brake Hoses and Calipers. About to swap a starter. That's it. I'm really happy with it.

[@JV-dw5nu]

This guy listed every problem I currently have with my Jeep 🙃

[@hammur2323]

1-You don’t need to take the dash apparent to change the heater core. There is another way and you can find it on you tube and the forum boards. 2- clean the O2 sensors with carb cleaner. You don’t need to change them. I have been doing this and I have 250,000 KLM on my jeep JK.

[@fullhd1080]

Hi Jacko Packo, would you have any insight into what I could try for a engine trouble code P0204. Fuel injector 4 Circuit? I have a 2017 jeep rubicon that only has 63,233kms on it.

[@BigYellow1500]

What year is your jk

[@lat00043]

Yes I’ve literally dealt with EVERY SINGLE ONE of these problems🤦🏻‍♀️but I’m never giving up my Jeep😂

[@blxbrg2169]

His voice makes me feel good about my issues..love it

[@eprofessio]

I bought my jk in Stuttgart, Germany for $5,900 and we have been driving him all over the world. He has gotten us home every time. I have had all these issues. The 02 sensor was actually completely loose/dirty battery terminals, weird it even started. The heater core, I swapped the hoses because a bunch of online forums said it would help, it help burn a hole with the egr tube in the unshielded one and burn a hole in the shielded one with the exhaust manifold. We still love him, we named him Pepe because the interior was stinky when we bought him.

[@jndboxing4114]

This video deserves to be called best unintentional ASMR this guys voice is so relaxing !

[@mrlovespread2006]

Wow the guy is spot on with common issues. I have had all of these issues with my 2012!

[@richardross4996]

I just bought a 2015 wrangler sport with 105,000 Kms on it. I know nothing about Jeep’s . I just know I wanted one for years as a second vehicle. Great video , thanks for taking the time to bake it.

[@BeeRAD56]

I just bought a 2013 Rubicon and this video helps with things to watch for.

[@wjfawb0]

Based off my time on forums and fixing my 2015 wrangler and other wranglers of about the same age, the main problems are thermostats, oil filter housing/cooler/sensors assembly leaking oil into the valley of the block, oil pumps stuck in high or low pressure mode, radiator leaks, and hydraulic valve lash adjusters or cam followers failing.

[@truckerdaddy-akajohninqueb4793]

I haven't had any of this, 2008 JK, 110,000 kilomètres. February 2021. I've had the front-end serviced with ball-joints and shocks after the infamous death-shake. I had terrible rear-brake wearing and ultimately had to have the calipers changed. I've had roof leaks which led to the front floor pan needing repairs. Door hinge bushings. Fan and thermostat. But apart from that, my service record is very good.

[@skbid1]

Only one of these I've had with my 2015 JKU is both sides of the roof leak. Other issue I'm taking care of right now is the Oil Filter Cooler leak. It appears to be a very common issue that you may want to add to the list. Replacement is a pretty involved process. While doing it I also discovered the heater hose under the one you pointed at was bulged and had to be replaced. That hose goes to the Oil Filter Cooler. Thanks for the heads up on the other items.

[@garrettmcnabb8471]

Yeah, I'm shocked this is not on the list. This is probably THE most notorious problem. Just had to have mine replaced. Then, 2 days after, a front brake flex hose.

[@rob.halpin]

For me, thermostat went on 2 Jks between 50-60k miles. Water pump was a common failure out of the factory for early Pentastar engines; most fixed under warranty.

[@EarthSurferUSA]

I just discovered my napa blakamp thermostat does not open, (and I suspect the new one on my used Jeep is not either.). It is a 203 F. thermostat for the 2013 JK Wrangler, (which is hotter than I want really), and boiling the assembly, (thermostat and plastic housing) in water on the stove, it does not move at 203. It just starts moving at 220 F. The problem is 2 things. There is a .250" (approx), gap between the end of the plunger rod end and the plastic housing that it has to sit against to open the valve. The plunger may be moving at 203 degrees, (I will find out), but it does not close the gap until about 220. Then it does not have enough travel left to open the valve past the 2mm thick seal to allow good flow. I am making a little metal rod to fill that gap now, (I want to just feel it when I put the thermostat in the housing), and I milled 3 .180" holes in the metal diaphragm to insure some flow at all times, (even when warming up. Have not tested it yet). With a thermostat that is not opening the way it should, the engine temp gauge does not go past normal, (like it is stuck for the last 35 degrees), and the engine will start shutting down to make less heat, with error messages,--so the coolant will not boil over. Go buy a thermostat for about $14.00 at a auto parts store, and boil it in water to see what it does. If it is not starting to move at the designated temp and does not open fully,---you probably have a gap between the rod and the plastic. A mechanic who only looks for codes only, (and that is the vast majority of them today),will not find this,---because the thermostat does not have a code.

[@howardmoyer1949]

I have a 2013 JK and have had to rep;ace the cps twice! Never even heard of a cps till the Jeep just quit. Very easy and cheap fix but a real head scratcher to diagnose.

[@Ripsurfer08]

Nailed all of these! I have an 08 with lifetime powertrain warranty

[@jseal39560]

I have a 2013 Wrangler and haven't had any of these issues. I have had 2 heater actuator failures and 1 brake caliper failure, and that's all. I'm at just over 100K miles. I didn't buy it for its reliability record, I bought it because they are the coolest, most fun to drive vehicles on and off the road.

[@harrishennington7465]

I don't know why people hate on them so much. I recently picked up a heavily modded manual one and with no doors on the trail it feels like a massive go kart/rc car

[@dickfitzwell523]

Off road, maybe. On road, not even close. A jeep is more fun to drive on road than a Lambo, Porsche, basically any RWD manual car? FOH lol

[@MixingGBP]

I had a 1997 TJ from new. Loved it. Nothing is better to drive on a nice sunny day. But it was the biggest junk pile I ever owned. Major water leaks through the cowl that ended up with floor pan full of water on rainy days, severe body rust perforations after only 4 years, 5th gear in manual transmission went out, coolant hoses failed in short time leaving coolant all over the road, radiator failures, water pump failures, major suspension failures, and on and on. I only owned it for seven years with 71,000 on the odometer, lol. And I was very light on it, I didn’t abuse it, I didn’t off road it, I didn’t lift it. All that despite it being garaged for most of its life! If the reliability ever got better I might consider another one...maybe.

[@pujabelgian]

That's INSANE! Had a YJ back in 94. Loud choppy ride.. swore I'd never buy another. I have a 2015 in mint condition with 7200 miles. It sits in my garage most of the time waiting for an adventure. Fun to drive but next to useless. I prefer driving my astro.

[@danj532]

2010 jeep wrangler, heater core cut tubes under dash slide out,repair with heater hose and 4 hose clamps . pcm : 2010 TSB needs to be reflashed ,you will get false codes .At least 2 egr valves, broken valve spring 70,000 miles. Roof leaks after hard rain. Always buy oem, they don't like auto zone sensors. Tried 3 auto zone sensors didn't work,bought OEM bingo! Also intake manifold bolt by number one cylinder breaks in head for no reason, gotta remove exhaust manifold and head to remove. There's more but ,not enough time. Awesome vehicle to drive but before u buy one,ask your self, do I really like working on vehicles. Great video. PEACE

[@NightOwlHour]

This video is 100% correct as I have had every single one of these problems lol. Fixed all but the gasket myself ( Oil cooler Assembly failed and had a dealership fix)

[@kpyou41]

Thanks I'm on my 2nd Wrangler :) Leaking, heating core tips appreciated! But I will never give this vehicle up! Head on collision in April, walked away with a dent; my crash bar is a beast!

[@1AAuto]

+Kimberly Poole Thanks for checking us out. Shop for high quality auto parts on 1AAuto.com: 1aau.to/m/Shop-1AAuto-c

[@rhondabooker7652]

Mine too!!

[@joshua7999]

Haha I got rear ended and pushed into the car in front of me. The trailer hitch took the impact, and my aftermarket front bumper barely had a scratch. Both cars had to be towed with extensive damage, I drove away

[@joshua7999]

I have a 15 jk with 135k, I’m the original owner. It’s been a good jeep. But I’ve had a front hub bearing, clock spring, vacuum pump deteriorate, hvac blend door actuator, intermediate shaft and blower motor makes a noise but still works. Pretty common stuff for a jk. I replaced the tie rod ends and pitman arm but honestly I consider those a wear item. I also live in NE Ohio and drive through the rust belt. Oh and I crack the windshield all the time.

[@ajajames8694]

I'm purchasing a 2016 JK... thanks for the heads up.

[@BrewCityRider]

Good video. One very common problem that I feel should have been in your list is the corroding aluminum door hinges on the JKs. If you didn't know, it's actually not rust, it is galvanic corrosion due to the aluminum hinge being in contact with the steel door. The corrosion occurs on the sacrificial aluminum hinge. This was somewhat corrected in late 2015 by putting some type of a spacer between the two parts. Dealing with a small evap leak and gas cap light on my daughter's 2007 JK right now. Tried greasing the gas cap seal and then replacing the gas cap, but neither of those things worked.Just got a replacement purge valve in that I'm going to try. That is also a common problem. If that doesn't work I'll try the evap leak detection pump that you point out in your video.

[@1AAuto]

+BrewCityRider Thanks for the tip!

[@jesusglopez8430]

Excellent very educative and informative Thanks.

[@1AAuto]

+Jesus G Lopez Thanks for the feedback!

[@markg3947]

I replaced my heater core by going through the glove box. There is a good video on KZbin on how to do it. You have to cut a couple of brackets but afterwards you can pop rivet them back together. It took me several hours because I went very slowly and carefully but in the end, it was not that hard.

[@1AAuto]

+Mark G Thanks for checking us out! 1aau.to/m/Shop-1AAuto-c

[@rosheneragin9604]

I salute your bravery

[@jeffreyrowe6580]

I have a 2014 and have replaced the heater core 2 times. Going to take his advice and start replacing the coolant. Also the passenger door leaks every time it rains.

[@brandonwise2636]

Both left and right side Cam Positioning Sensors , and the Crankshaft angle sensors were bad on mine...Engine kept stalling out on my 2013 Sahara Unlimited. I replaced both cam sensors (@ $35 each) and the crank shaft sensor ($25) , now it runs normally , no loss of power , or stalling issues .

[@stefeniedavidmusic]

Yup, had the door seal leak right where you said. Left carpet soaked all the time, finally took it out so the floor wouldn't rust until I can fix it somehow.

[@1AAuto]

+Mark Walker Thanks for the feedback!

[@khcopter]

Emergency brake. Also if you have the navigation radio the navigation works sometimes and sometimes it doesn’t. Had the whole unit replaced. Still doesn’t make any difference. Definitely had to have the heater core replaced this is a 2013 Rubicon two door

[@tylerhair9067]

Haven’t had any of these issues with my 2012, but I did have an issue with the oil filter housing cracking and leaking. I replaced it with the newer design from the 2015-. Was pretty involved but got it done myself.

[@gregmardis9898]

I also cracked mine doing my own oil and filter changes. My mechanic who changed it out for me told me that the oil filter house is extremely easy to crack and recommended that I only tighten it finger tight without a wrench when changing the filter.

[@fredslayton]

I trust you guys every time I’m looking at a new (used) vehicle!

[@1AAuto]

+@fredslayton Thanks for checking us out! 1aau.to/m/Shop-1AAuto-c

[@meadowqueen6666]

VERY HELPFUL! HAVE THE LEAK AROUND THE DOOR and COOLANT PROBLEM.

[@edgarjuarez7]

2016 Unlimited Sahara with 94k bought brand new, I’ve had 1 out the 5. I hope it is a long ways before the other 4 get to me

[@micha3289]

2014 JKU. 130k miles, tow a lot (pontoon, jet ski, snowmobiles and quad) and so far, the only problem has been an hvac actuator and oil filter housing seals going bad. Fixed both myself for

[@yoyojoe9240]

Own one of these 2010/ 6spd manual, 2dr Sport, Hard Top since new. 82,600 plus on the "Odo". (Lots of Off road miles). Lots of P.M. TLC. (Changed all Lubricants, every 6 thousand miles, (all). Only repairs done: engine belts twice, Brake Pads 3 times in 12 yrs. Clutch Assy... is still the Original(factory). The best, ..it is my Boondocking Camp/Off road Toy. (07/2022)

[@MarcoLemmetti]

Out of the 5 problems, I had 2 mentioned in this video on my 2015 JK. Luckily for now it’s minor. The door seal on the passenger side and a worn out seal on the gas cap.

[@davidrobins4025]

Thanks for the helpful information.

[@1AAuto]

+David Robins Thanks for checking us out! 1AAuto.com

[@davepowell3001]

We have a 2011 Wrangler 2dr. Sport. Very satisfied and still love it! It has 159K on the odometer plus it has been towed all over America behind our motor home. I was a maintenance chief in the Air Force so this Wrangler has been extremely well maintained! Of the 5 most common failures with our series of Wranglers that we have experienced with ours is the gas cap/evap system issue. It has its 3rd gas cap and at one time had to go back to the dealer for extensive fuel tank and evap system repair. A nice $2K repair bill. But at least no more “Ck Engine Lights” Right now it is at our repair shop waiting in-line (we are 29th) for a Chrysler rebuilt 3.8 engine. It started over heating a month ago. I replaced the thermostat with the MOPAR thermostat ….. did not fix. Then a test of the coolant showed exhaust gas contamination in the coolant! Sorry this has gone on so long but we have a long, successful history with ours. Currently it has a dash full of those cute little plastic ducks. We have always participated in the “Wrangler Wave”! We have even studied the dynasty of the Jeep Wrangler historical vehicle. At the top of the Wrangler hierarchy is the 1941 Wrangler, NOT your brand new Wrangler off the showroom floor! Take your shiny new Wrangler out and drive it in the rain and mud for a few days and you moved it up the list slightly! Anyway …… we love our Wrangler and love being a Wrangler family. We just recently became a 2-Jeep family! We just bought a new Compass “Red” edition. Wrangler Wave”!

[@1AAuto]

+@davepowell3001 Thanks for checking us out. Shop for high quality auto parts on 1AAuto.com: 1aau.to/m/Shop-1AAuto-c

[@Will-ju9lw]

Great video, thanks. I drive a 2012 JK and have not had any issues other than that aggravating passenger door roof leak, and am I the only one having the wipers stroke 2-3x when putting the turn signal on? Hmmmm.....

[@mt24Carson]

Good video. Bought 2014 Polar Edition used w/over 100k mi and has generally been fine. Issues for me have been HVAC blend door actuators and the clockspring related to the air bag. Otherwise, touch wood has run fairly well, with the usual maintenance needed with that mileage. My third Jeep vehicle. #onlyinajeep

[@robertanderson1094]

Great video I’ve had to address all these issues on my Jeep. I do have a problem with the gas gauge grounded out at the tank or under the car. Could you do a video on gas gauge fixes ? 2009 wrangler Thanks

[@noahfanzerbutz3510]

My number 1 problem is it kicking out of 1st gear. Happens enough to be annoying. The other thing is a sensor on either side of the catalytic converter. Don't know which one. It kicks on the Check Engine light, but goes off in a short time. Having said that, I LOVE MY JEEP! I may not always have this 2007 Jeep, but I will always have a Wrangler. I can't overstate how much fun it is to own this vehicle.

[@edwinrivas18]

Word to the wise, if the oxygen sensor fails you have to replace with MOPAR sensors, I tried replacing with autozone Bosh sensors but it would not read them and the check engine light never came off and eventually the Jeep rode rough. I put MOPAR sensors and immediately rode better, and the light came off after a 100 miles

[@jeremiahdiano2505]

liking the knowledge thanks well said.

[@scottanderson5290]

I have had a 2013 and currently own a 2017 jeep Wrangler. Both my Wranglers have had rear window defrost go out and Both have had radiator leaks. Both these issues have been under warranty. I have not (as of yet) had any of the issues in the video.

[@hydrashieldbasementservice8453]

I have a 2012 Sahara JKU the oil cooler leaking oil or coolant down the rear of the engine is common. The early 3.6 engine has casting sand issues in the coolant. A flush and radiator upgrade to an all aluminum radiator helps a bunch. The early 3.6 has a notorious valve tap and a head defect in the driver's side head.

[@theinfinatewisdom]

Good Video! problems I have had. 1, gas cap, $14.00 2, tire pressure sensors (2) failed $ 130.00 3, Fuel injector (1) $180.00 4, Cracked, chipped windshield. $280.00(replaced) MY jeep 2015 with 69k. But these were relatively small problems, Still Love my Jeep Wrangler.

[@1AAuto]

+Papi Thanks for checking us out! 1aau.to/m/Shop-1AAuto-c

[@ffjsb]

Worst problem I had was I lost 4th gear in a manual at 112,000 miles. Bolt came loose from the shifter rail, so they had to drop the transmission to fix it. Just had to put it back in with locktite, no damage to anything, but I had them put in a new clutch since the transmission was already out. I've replaced the exhaust twice, front end work from wear, and the heater core because it started leaking. Heater core I did myself, PITA, but I saved myself about a grand in labor.

[@H.pylori]

I have a 2016 JK and have had only one of these issues. The roll out of the JL had at least 8 recalls in the first few months. Assuming you are not beating up your Wrangler off-road, why after years of engineering can't they make a better Jeep? Some of these issues like the leaks have been mentioned for years.

[@josepadilla3322]

Just bought a jk 2012 with 140,000 thousand and I'm about to change the oil switch and apparently it had leak issues, but I LOVE THIS JEEP IS MY FIRST 😊😊😊

[@thestonesaver6345]

I’ve owned 4 wranglers. A cj, Yj, Tj and jk. They’ve all had their quirks and questionable engineering designs, but the oil filter housing in the valley of the JK 3.6 is the craziest one I can think of off hand. It’s a very common oil leak location on the 08-13 3.6, and you have to take your intake off to replace it. I’ve always joked that “it’s a Jeep thing” is best said when wrenching on one, but I’m still a Jeeper for life.

[@Nocturnal2010]

I wanna see him swap the ball joints and maintain that voice 🤣 nice video

[@brunomasuku2131]

When they seize it's another damn headache

[@QueensPirate-qh8hi]

You left out the oil filter casings which is pretty common to leak and occasionally the oil pressure sensor goes bad as well.. thanks for the video

[@daltonhall4967]

I had the oil pan leak on my 09, found out this is fairly common also. Mine does leak very bad when I have the doors off, not sure why that is, I can put the doors back on and no leak.

[@collinklitz7434]

On the EVAP code, another common cause is because of a broken vent nipple on top of the gas tank

[@mariolukaszyk2255]

Good day , quick question. Witch of these jeeps is less problematic? The 2011 or older with the 3.8L or the 2012 and newer with the 3.6L ?

[@donaldchuck3715]

Death wobble...replaced steering stabilizer shock with a late 90's model shock...yep. it fits and it doesn't need to be replaced every 10,000 miles. 💪🏽😎

[@rondail5675]

Good, quick review.

[@1AAuto]

+Ron Dail Thanks for checking us out! 1AAuto.com

[@jimpie231]

What about the lifter problem that many have had? Thanks...Jim

[@ulrichroesch9114]

I have a 2011 wrangler, with the exception of the oxygen sensor I have experienced all of these issues !

[@mftwomey]

2015 JKU with 98k miles, had oil cooler, O2 sensors, and gas cap so far. Despite it's issues still less problems than my wife's Mercedes, and more fun to drive to.

[@mauriciotijerino2081]

2014 Sahara Unlimited. I only have the water leak issue and only with very heavy rain. I have however had 2 speed sensors and an oil leak from the oil filter housing. I was told by my mechanic that these are also frequent problems with this model jeep. Now my wipers are not stopping automatically and the intermittent wiping does not work, only continuous.

[@tjl8884]

I can live with these kinds of problems. My 07 jk was only summer driven until I bought it last month. The frame under neath looks like it just rolled off the factory line a year ago. The heater works amazingly well for its age. Someone smashed my honda hrv, the honda and the rental car were both new, 2019 and 2021.. Both had terrible heat lol. I do have to change the battery and probably the alternator though. I have bad luck with them going and I can tell my lights dim a bit at times and I wanna upgrade the wiring for my stereo with beefier wires and bigger alternator/battery. One thing about this jeep, the factory head lights are terrible. It almost feels like they aren't even on until I get up to something where I can see them reflecting, but as far as lighting up the roadway, complete crap. I got some new ones to put in.. Hopefully there is no issues. And omg, is this thing horrible on gas consumption. I definitely need new plugs and Ill probably get the mech to do a full tune up. I think Im getting about 160 km on the first half of the tank. Its just thirsty lol. Im not liking that but the thing is built like a tank and they don't like to repair the roads up here in northern ontario very often and when they do, they tend to not last very long with the snow plows wrecking them. I think the trade off to have the much better suspension over mpg is an ok trade off, plus my insurance is about 40 bucks cheaper every month.

[@rnava3264]

True!! I have a JK with 4 of thay issues.

[@BladeDoomer86]

2013 JK Sahara, I've had #1-2-4-5. Now just waiting for #3 to come home 🤣 But hey, it's such a great car that'll take you through anything, can't complain.

[@st.roberts4295]

I only have 20,000 miles on my 2014 so it’s still new, however I have replaced the gas cap and have sporadic hot/cold issues, I don’t have any leaks however in the area indicated there is a squeaking sound that frustrates me. The only real complaint I would have is once I was caught in the ran with the top off and had to park it for a few days because water got into my steering wheel and caused a Christmas tree light show with my dash lights. When I took the Jeep in for routine maintenance they gave it back and said I didn’t need anything it was fine. They didn’t try to up-sale me and charged me only 70.00.

[@elelectrotech9374]

the squeaking come from the metal retainer clips that hold the plastic cover to your front roll bar.

[@craig9069]

Bought a 08 wrangler six years ago you've pretty much nailed it with all the problems with the exception of valve cover gasket leaking, haven't experienced that(yet) does burn oil just gotta keep an eye on every couple of weeks. Oh and replaced Egr valve twice! But love my Jeep!

[@1AAuto]

+C Mack Thanks for the feedback!

[@tmcg1907]

My egr valve is lit up. Could be a misread? I would think a new one wouldn't go bad so soon. Trying to decide whether take the wheel well out to replace it.

[@felixleon8750]

I've faced all five issues with my 2011 JK. After replacing them once, I haven't had to do it again. The gas cap and evap canister problems surfaced after six years of use, while the others occurred over the course of 12 years.

[@1AAuto]

+@felixleon8750 Thanks for the feedback!

[@kevinlay9588]

my wife and I both have 2014 wranglers. Both have had cracks in the thermostat housing. Hers is on number two.

[@dragondancer1874]

I Need a good honest mechanic like You! Can't find one and my Jeep lifters are messing up 😤

[@hksjoshua]

For me it has been evap codes due to a recall that broke the evap vent tube on top of the tank which dealer refused to fix, Casting sand in coolant system, engine pinging / preignition issue which I'm awaiting the engine to self destruct, and abs locking up front tires constantly. 2013 JKU here

[@EarthSurferUSA]

I just discovered my napa blakamp thermostat does not open, (and I suspect the new one on my used Jeep is not either.). It is a 203 F. thermostat for the 2013 JK Wrangler, (which is hotter than I want really), and boiling the assembly, (thermostat and plastic housing) in water on the stove, it does not move at 203. It just starts moving at 220 F. The problem is 2 things. There is a .250" (approx), gap between the end of the plunger rod end and the plastic housing that it has to sit against to open the valve. The plunger may be moving at 203 degrees, (I will find out), but it does not close the gap until about 220. Then it does not have enough travel left to open the valve past the 2mm thick seal to allow good flow. I am making a little metal rod to fill that gap now, (I want to just feel it when I put the thermostat in the housing), and I milled 3 .180" holes in the metal diaphragm to insure some flow at all times, (even when warming up. Have not tested it yet). With a thermostat that is not opening the way it should, the engine temp gauge does not go past normal, (like it is stuck for the last 35 degrees), and the engine will start shutting down to make less heat, with error messages,--so the coolant will not boil over. Go buy a thermostat for about $14.00 at a auto parts store, and boil it in water to see what it does. If it is not starting to move at the designated temp and does not open fully,---you probably have a gap between the rod and the plastic. A mechanic who only looks for codes only, (and that is the vast majority of them today),will not find this,---because the thermostat does not have a code.

[@shiner8375]

My buddy bought one. 70k miles looks new well taken care of. Transmission broke, rear seals,. The warranty company refused to pay for transmission saying he bought a lemon. What a waste of money all the way around. Get a Toyota truck (Tacoma)!!!!! And an atv. You will be much happier.

[@efrainavalos8246]

Hi ,great video. I have a question, I'm a new jeep owner I bought a a 2016 jku a few months ago and recently the engine light kept turning on and off, used code reader it said misfire cylinder 4 I changed spark plug and coil, a month later came back, it turns on and off...any idea what the problem could be

[@patgamble3217]

Hi yes water 💧 leak ing in to my 2018 .wangl4 door. And thank you about the 4 others you said .big 👍 up .for they info.

[@randallmeacham4655]

Okay I have a couple problems that I have seen over and over. First is the oil cooler leak, second, why is it so hard to get all the air out of the cooling system, third is the clicking coming from the rear end when taking off, last but I’m sure not the least is the front axle seals. One last thing I have replaced the radiator, water pump, oil cooler, and thermostat. But when pulling a hill it gets warm still. Any suggestions on how to fix this.

[@razvanpoenaru]

adding another two common problems: speed (ABS) sensors, most of the time corroded wires or connectors and second, the oil adapter (cooler) starts to leak oil.

[@kirkout7366]

This...and coils

[@DavidGonzalez-yj3lx]

I had my ABS and traction control lights come on randomly at times

[@craiglightfoot4101]

Were you pointing to the white end cap on the charcoal cannister?

[@Borderwalkers]

My heater core stopped heating last winter. Mechanic did a full flush and that did the trick for the time being. Is it inevitable that the core will need to be replaced even after a flush?

[@kdubla24]

The infamous P0369 code. Camshaft position sensor error code. I enjoy my 2012 JKU but I've been plagued by this same issue numerous times.

[@LWRC]

How often should the coolant be replaced to prevent the heater core issue? The factory manual called out for a 10 year change interval.

[@milesgentry850]

❤👍THANK YOU BROTHER!

[@jonbertocchi173]

your top 5 are different than mine.... multiple trans issues, bad tipm, enginition switch key component issue, windows not rolling up. doge just jacked this vehicle up.

[@isulsten8379]

Yes! great video. Thank you!

[@1AAuto]

+Isul Sten Thanks for checking us out! 1AAuto.com

[@keith9716]

Should have bought an early model TJ. I spent 9 grand on a 99 TJ with 89,000 miles on it in 2014. It was garage kept, no rust, 4" Tereflex with 33" KM 2s. Lights, cargo net, upper doors for the soft top etc. It's been great.

[@fnnnknorth]

Yep. Did the heater core. $1400🇨🇦

[@Furens]

Outer axle seals? Might more for folks who take their jeeps offroad but I have had mine fail on at least 5 occasions in the first 50K miles. It's a major repair thankfully covered under powertrain warranty

[@Txwag91]

Question. Should you change the transmission fluid? I have some saying no and some saying yes.

[@joshuatall8134]

aren't there 2 different engines for the JKU's? which engine is he looking at and are the valve cover gaskets bad on the other engine, as well?

[@thoughtoftheday9095]

I had a 2007 Jeep Wrangler Unlimited Sahara soft top. I had SO many problems with that Jeep. Two engines later, I got rid of that nightmare.

[@hammur2323]

Why would you swap out two motors? Did the oil run dry on both motors?

[@_GR1T_]

While you're changing the valve cover gasket, go ahead and replace the PCV valve. Depending on mileage, this would also be a good time to change the spark plugs.

[@mikecain4289]

I have a 2017 JKU Rubicon Recon and have 2 of the 5 problems, 1) the heater core & 2) the water leaking in on the passenger side.

[@danj532]

Lol,and thats the short list. Good video.