2003 Chevy Suburban Fuel Filter Replacement (Flex Fuel)

[@whitetiger8652]

Just changed my fuel filter a couple of weeks ago on 2003 Tahoe.I have Lisle 39900 Master Disconnect Set and there is a tool for GM that I use from the kit. It is a 3 pc, one piece is cut in half to go around the line and then the handle that goes around both pieces and just a little bit shorter than the disconnect you used. It is somewhat of a pain to use in tight spots. The line that you are disconnecting is a short line and normally I take off at the other end and take filter off then take line off the filter. Terrible location for a fuel filter. Thanks for the video!

[@jenniferw5095]

I used those plastic quick disconnect tools when I replaced my knock sensors (tried using the metal ones but metal on metal binds). I didn't torque the manifold gaskets correctly and had to have them replaced again by a professional. I had the intact manifold issue a few years ago. And haven't had any issues. 😊

[@roltyd22]

You can follow that short quick disconnect line to where it plugs in the other fuel connector and remove it with the filter its only bout a foot long and remove it from the filter on the work bench,lot easier if you dont have the low profile disconnect tool

[@sethmayabb9020]

Definitely like your approach and information . Good job on this one a few others I’ve seen of yours

[@theotherhomer]

Pull the air intake tube off and have someone spray starting fluid into while you're cranking, itll help solve the issue much faster

[@unknownromero1]

Still having the issue?? Check fuses replays. My ignition relay under the hood went out. And wanted to start but didn’t run.

[@mikaelrosendal6408]

open the fuel cap and try turning the key and someone hear if the pump is starting. the no start can be because of that.

[@nahb8798]

I had the same problem with my 97 GMC Jimmy for the longest, it wouldn’t start it would just spin. What my solution was that I had some corrosion in my distributor cap, after I took the cap off and removed the corrosion it sparked right up. Not sure if you’re still having the problem but that was the solution to my truck.

[@samscola585]

Omg that frame is beautiful… lol I live in the north east I’d kill for my 2003 Silverado frame to look like that… 😭

[@brandonblue370]

Did you check the fuel pump fuse and the fuel pump itself?

[@41663]

That is a dam good idea. I was wondering why no one ever mentiond the pump.

[@marquescrews220]

I have the 01 tahoe, I had the same problem it's the factory alarm, it needs to be replaced because the key and the alarm is getting 2 different signal

[@unixedu887]

great vid. mine is the flex one as well. couldnt get the filter fitting off, so took the line off on the other end, pulled the line + attached filter out, then got it off. just in case anyone else has such an issue.

[@kylerdeason2969]

Not one video for these with the flex fuel options has shown me where exactly it’s at

[@2Mont106]

Hey Jimmy, I just ran into this problem with this 2003 z71 tahoe that I just bought (clogged fuel filter) . Now I've been hearing that only flex fuel tahoe have fuel filters but this 2003 chevy tahoe (non-flex fuel) has a fuel filter 🤷🏿‍♂️ Any reason on why the exception?

[@ddriskill1]

Any updates? I am having the same type problem with my 2002 Tahoe. Your filter is the type on flex fuel vehicle. You don’t need a tool for that filter. You squeeze the two tabs with your fingers. I know I have to put my o rings back in my quick connect because I found a piece of it on the ground after putting it back on. I am hoping my no start is from that.

[@KenHeying]

I had the same problem. I love nuts on both ends. I am putting this one on my 2002 Tahoe PPV. Found out changing the brakes, that it has a Z71 undercarriage.

[@SD4philly]

where is your fuel filter located under your vehicle

[@locololus]

I’d love to know the same thing lol

[@zombieapocalypsecherokee9224]

Thanks Jimmy this will be helpful in the near future have the disconnect tool set in my Amazon cart 😁👍. I have the same Suburban just different color iv had it 2 years has 212,000 on it.😁✌

[@الحايلي500]

Thank you creator. I am one of your followers from Saudi Arabia

[@djayboogaloo]

I don’t know if you were able to get your truck started but if not check and see if you’re getting any spark to your spark plugs because you may have broken your timing chain/belt

[@HUBBABUBBADOOPYDOOP]

I always date & mileage filters with a Sharpie, then scotch tape.

[@mikespence8895]

You must live in a warm weather state lol

[@HUBBABUBBADOOPYDOOP]

@@mikespence8895 Upstate, Central New York. Not a "warm weather" place at all. Summers might see low 90's, but really awful humidity, Winters are horrible, -20℉ with 85% humidity. Lake effect & Nor Easter blizzards. Tape is to protect the marker you just took the time to write down.

[@mikespence8895]

I'm in northern Wisconsin

[@HUBBABUBBADOOPYDOOP]

Jimmy- the only definitive test for leaks is a smoke test. Plenty of DIY videos here. Simple components. Your fabrication of one, and using it- would be a great video.

[@rosaliogarcia8963]

Jimmy question?? You suburban start after the replacement??

[@kingbellmont9735]

For the gmc chevy flex fuel the k&n part number is pf-2100 for the fuel filter

[@losteroni]

Maybe this will help someone else . I went out to check which type mine was and found out 2005 and later models have a non-replaceable filter built into the sender unit .

[@limabravo6065]

Yes they do and those engineers should be banned from the automotive industry, at my shop when we encounter this wonder of a design we splice an adequate generic external filter into the factory feed line, they can be picked up at any parts store, just make sure the filter and supporting hardware are rated for your specific fuel system and do not use rubber line with barbed fittings for anything other than emergencies

[@mayken6661]

Check all the wiring harness pins ? Did you solve the mystery yet? What was it? Thanks for the videos

[@toddhegstrom2541]

Very good. Can I describe my symptom to you and get your advice. ?

[@mariodorder322]

Hi Body can you Show a Video about replace the fuel Lines on the Chevy Tahoe? And What product you should use ? Flex fuel Lines ? Thanks Body 😊

[@toddhegstrom2541]

My 2003 suburban has been shutting off slowly after a long drive. Has happened three times. When idling on a downslope. Engine rpm stars going down. Pressing throttle does nothing then eventually stalls. Has restarted easily each time. Has occurred after a 3 hour drive each time. Going for fuel filter next. Any advice ?

[@robertorivas4774]

It could be your fuel pump

[@adrenalinehigh2070]

It could be….. but that’s only if when you open the ignition you don’t hear the fuel pump kick in. He didn’t show that, so who knows

[@dbdabney49]

Did you find the problem with the suburban not starting?. I have one doing the same thing

[@jsellman2703]

What did the issue end up being?

[@melvinmelgar2446]

So do i have to remove the gas tank on order to replace ta filter

[@akbychoice]

My buddy has a 2004 and it doesn’t have a fuel filter along the frame, no cabin filter, no EGR valve and no PCV valve.

[@kaseymalone6506]

I believe the security system is engaged and won't let it start until its reset

[@shane8463]

Crank position sensor may be your issue. Right next to alternator. I have a 2001 Chevy suburban im always working on. 220k miles. Great videos and keep on wrenching. Signed, friend from new lenox Illinois. The cps tell tail sign, most of the time is a crank no start situation.

[@2002Term]

check the fuel pressure the parts you listed would NOT cause the engine not to start

[@supraslug3948]

Probably just a fuel pump, do u hear it buzzing when u turn the key just b4 u crank it?

[@EveryDayTrucker]

Seriously bro? So close... yet so far away! It's like getting to the end of a movie they didn't finish! Did it start?????? Did that fix the issue??? Geez!!!!

[@joantoinettemoreno1975]

My same thought.🤦

[@spiralnapkin]

I tried to do this, but I couldn't unscrew the threaded end. I felt like I was going to damage the fuel line and cause problems, so I stopped. I have the new filter and bought the tool you recommended, so I want to finish the job. There is little rust, so that should not be the issue. I'm not sure what to do next.

[@sharpie132]

I definitely bent the fuel line and since it was rusted pretty bad guess what? Fuel leak

[@lorettarodman9117]

Hey next time maybe show the old piece and replacement piece I like that

[@bradleymckinney83]

Just watched a video about this and the guy said he replaced everything u did and more and all it ended up being was plugs and wires... not crazy e3 plugs or anything just reg OEM plugs and wires ... hope that helps.. if jot... check the main ground wire from the motor if tighten to tightly or corroded together that could b it too.. good luck

[@jontowers4841]

That blue 3/8 tool did not work for my z71 tahoe vin.z

[@lukesnyder9015]

I have an 06 and I cannot find it I think it's in the tank

[@alex_frijolero]

Can't find the fuel fitter on my 05. This video didn't help find it.

[@NickCal304]

Did it Start?

[@parentsbasement7734]

If ya end up changing out fuel pump hit me up we can do one on yours and on mine a 99 i live in the 99205. I am getting ready to change heater control valve that controls the warm coolant going through system they get brittle and fail. Have you checked timing or crank senors I'm new to chevy mines a 99" gmc burban slt

[@Davinacano]

How do you know if your truck has the flex fuel option?

[@SNOWGIL13]

Z.... in the vin number

[@nickshores8342]

I just pulled mine off. Didn't need a quick disconnect

[@azyahkazmierczak5829]

Try smacking the fuel pump because that is also a common problem, mine was having the same problem then from past experience at work I watched a tech diag it because there was no codes and it eventually came down to the fuel pump binding so have someone smack the fuel pump while you crank and see if that works

[@sheputthelimeinthecoconut629]

GM famous for fuel pumps. I even keep one with the spare tire tools in my Yukon. Have you checked your fuel pressure yet?

[@deankay4434]

@She put the lime in her coconut The GM assembly line does not install the rusty dirt packets in the plastic fuel tanks when new. Your dirty fuel is coming from the station where you buy it. They installed filters inside gas pumps in the 90’s and later moved it into the external hose with a clay the swells with water contact. The pump is not a garbage disposal and has a different armature for flex fuel. While inside a plastic bucket to maintain a fuel supply without air during turns with low fuel reduces misfire codes. This pump assembly has two filter on it with one on bottom & one inside on pump. The filter media is better as you get closer to the injectors, so if running @ 7,000RPM with restricted per-filters, amps go up, terminals get hot and volume drops, pressure suffers and injectors stay open longer. Install a new ACDelco / Delphi pump in a dirty tank and it will fail quickly. Inspect in & out for contamination before new pump. If dirty, remove tank, wash vigorously with really hot water, drain & dry. This is in the factory service procedures. Buy your fuel where they sell a lot and keep tanks clean. It’s your money so ask how got 5 years from first pump, then install the same pump as the plant did and it only made it 7 months? Just answered. Not just a GM only tech but worked at dealers for decades and independents on imports as well. EFI since 1976. ASE Master Tech since 1978 Retired

[@whoisfluffy3476]

Try kicking the tank and see if it will start, that can sometimes get the car to start again if it’s bad.

[@AWIERD1]

What data are you getting on your OBD2 scanner????

[@1tedd__]

Was this a cause of low power ?

[@1tedd__]

I have a 03 tahoe and every time i go to give it gas it doesn’t pick up everything has been serviced and im being told its my fuel filter

[@whowho7969]

Same with my 03 Tahoe did you. Find out what it was ?

[@alisaleh2509]

how often this fuel filter should be replaced ?

[@lb7wade518]

Is the fuel pump sending fuel

[@markoftheus]

Check the fuel pump. Turn the key to the run position and listen for a hum from the gas tank. Also, check your fuel pump fuse and relay just in case it might not be the fuel pump because if you have to replace the pump, you have to drop the gas tank and you don't want to waste your time dropping the tank if it was something silly like the fuse.

[@VictorRamirez-ib1lb]

Did you switch the fuse

[@MartinFuentes126]

I actually had to change out my K&N fuel filter cuz it reduced my fuel mileage

[@kingzionmusic]

Yeah because it less filtering and more flow.

[@dantepboyz]

In order for me to get the blue tool In the fuel filter I broke it in half and put it in one half first the the other after the piped the tab off the fuel filter

[@alimm55]

I had this same issue with my 2000 Silverado. The problem was the anti theft system. Try locking the car with the key fob, then unlock it using the key fob. Then try to start it.

[@punker4Real]

Andy Limmer that will not help replacing random parts that is like changing my tire when the trasmssion is blown

[@alimm55]

@@punker4Real I don't understand your reply. My recommendation is just to lock and unlock the car with the key fob. No parts are involved.

[@Kunta1926]

What's the deal with GM and intake manifold, and head gaskets. I'll bet that's what it is.

[@TVCColin]

My money is on fuel pump.

[@Kunta1926]

Colin still doesn't explain his engine code though. Unless his MAF sensor really was bad and his fuel pump happened to go out at the same time.

[@apprenticefelix7740]

my 4.3 spun bearing

[@ricowillier2872]

Do you here The pump turning on giving a bang on the fuel tank

[@GoFurtherBug]

Fuel pump! It is located in the fuel tank. get under your truck and give your fuel tank some good bangs with a tool handle and then try turning it over.

[@adrenalinehigh2070]

This guy’s videos have a whole lot of talk, but misses half the information people seek, or a video of the actual action. Not sure why… but it’s his routine

[@41663]

Hes a busy busy bee

[@cliftongarcia0220]

Could be the fuel injectors or it could be getting no spark like maybe ignition coil or distributor or a fuel pump relay and Also run some Barry man Km tool b12 fuel treatment in it to get any Build up carbon ethanol out of the lines tank and injectors

[@rickwood248]

Does it have spark?

[@Mcdashiznit]

It will run with bad intake & knock sensor ...ive owned 11 of these no start is only pump or foul foul plugs ....test fuel pressure from rail

[@Zorlof]

Hehe, I just flipped you to 1K likes from 999. 👍

[@01ChevyZ71Fisherman]

Fuel pump bud...happened to my 2003 5.3..

[@rrcoster]

Need put fuel pressure gauge on as even with bad sensor it should still start . Chevys are very common for fuel pump taking crap and need atleast 50 psi to beable to run

[@little_wayne]

Check your fuses man had that problem on my old mitshibishi you should turn the key and here the fuel injectors kick in if your ear is to the front tire (have a buddy help)

[@michaeltafoya3642]

It might be your Ignition were you turn the key the wiring that's where it was on mine silverado 99

[@timprovinsal1337]

did it start then?

[@whowho7969]

I think he does it to get more views on other videos he post. Worthless video 👎

[@tazalots]

coud be a loos ground wire on fuel pump at that was my problem

[@cforeman3026]

The video was pretty good up until you didn't say if it fixed issue. There are so many things that could be the issue as i am having it also. So letting us know if it fixed it or at least what eventually fixed the issue would be nice.

[@limabravo6065]

I wish I’d have seen this when it came out, because it is, or it was your crank sensor preventing your truck from starting and vacuum leaks on vehicles with efi result in erratic idle and running in general. And future reference, those pink filters will not prevent you from inhaling o vapors ie gasoline vapors, paint vapors etc... you need a filter rated for organic vapors. I work with automotive paints which use hardeners that contain isocyanates which if you’re thinking “hey that sounds like cyanide” you’re correct as they are chemically related, and if breathed in will attack your nervous system as will gasoline vapors because they easily cross the blood brain barrier. Point of this little rant is some manufacturers will advertise their filters as having charcoal filter media but even if it is there it’s not enough to protect from some truly awful sh!t

[@deankay4434]

Water in MAF terminals, loose fit from quick lube joints pulling on it to sell an air filter. Check vacuum leaks with carb spray or propane enrichment tool while IAC unplugged unless DBW, then watch fuel trim change. Bad MAF signal due to poor ground or pinched wire from previous accident... Get a GM Tech w/Tech-II scan tool, don’t guess. They only made 1.9 million “Z” flex fuel GMT600 trucks, very few have captured high temp silicone intake gaskets fail. Oh yea, removed knock sensors, clean valley threads, use dielectric grease for good water proof ground as this changes knock sensors biased signal then high temp Red RTV cap covers and use dielectric grease on terminals. Your dropping needle dough on stuff you don’t need. Goggles - ok, gloves - ok, but activated charcoal respirator is a little much. No fire extinguisher handy - priceless ASE Master Tech since 1978 - Retired

[@leonardwalnutz841]

Had that problem I ran a ground to the coil fired up right away

[@sammarchetti2484]

i almost ordered the off set release tool.

[@glockhitz]

your truck wont start becasue you dont have any fuel pressure, that filter would have sprayed like crazy if you cracked it loose. you have to depressurize the fuel system to change out this filter.

[@antonioosoriokory]

Compre una suburban 2004 y tiene ese problema de que no arranca a la primera remplace la bomba nueva y continuo el mismo problema je je je jeje mañana remplazare el filtro de gasolina espero ese sea el problema saludos desde CDMX .

[@41663]

Good luck compadre Viah Con Dios 🕺

[@michaelcoker7058]

I'm doing the same ting with the same filyer.

[@ralphhuff4977]

Crank sensor is by starter isn't it?

[@GallacticReactions]

Sounds like the sensor bar inside your ignition key cylinder. New cylinder $24.99 part

[@carynicks9068]

You need a throudle position sensor or or plate

[@johnsoliz1640]

Is that for an idle that dies out?

[@ds9902]

You may need to replace your idle air control valve they're not cheap they're $140 and it will require a T20 tip to remove the bolts when looking at the engine driver side just past air intake that little round thing that's got the wire plugged into it that's probably your problem

[@MrJiggs69]

It’s your fuel pump. I had the same exact problem on my 2002 Chevy suburban.

[@Forgivefull]

Anyone ever hear of Fitch Fuel? I was thinking of using that on my suburban.

[@Mcdashiznit]

Fuel pump

[@CrashOverride777]

Better yet fuel pump cut off switch

[@logandaniels6055]

Its your fuel pump I have replaced mines 5 times already on my 03 suburban

[@SilvioManfredDante85]

Stop driving around with low fuel all the time!

[@CenturyofTerror]

@@SilvioManfredDante85 that's like sayin shop being broke

[@CWK090]

@@SilvioManfredDante85 True dat. Low fuel causes fuel pump to overheat and fail prematurely.

[@40slim]

the tool for. gm. filter change. is 35000. fuel filter. disconnect.

[@EGarcia_818]

Sounds like no fuel pressure. Run a fuel pressure test to determine if the fuel pump is giving out

[@chriscannova2393]

Check your ground cable

[@kingatomsk360]

If it wont start, it's either not getting spark or not getting fuel.

[@jamesgazdag876]

really a mask

[@garycasper2929]

Calli baby..! Go figure.. lol..

[@chadbundy7931]

So apparently you don't see if it starts after you put that on so what's the point to do in the video you never said if it started or not

[@Mustacheologist]

Is your 03 sub a flex fuel? 5.3 ffv?

[@Mustacheologist]

FTC? Need the flex fuel tool

[@Mustacheologist]

All FFV's will need the sleeve tool. 1love 4 1road

[@angelflores4985]

Lol just wear a hazmat suit

[@pesanchez26]

Fuel pressure regulator