Knocking Noise In Engine - Simple Fix for FREE

There was a knocking noise in my engine. Why is my engine making a knocking noise? I was able to fix mine for FREE $0!
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AutOdometer was previously MCRC (My Car Repair Channel)
Disclaimer: Each video that is produced and published is intended to be educational. Tips and tricks will be offered for your viewership. The outcome of your car repair is solely your responsibility. Research and a good thought process should be completed before each repair.

[@circeowaggles]

Omg the spark plug worked itself out on my truck I drove it for monthes thinking it was finally going to die. Bought new plugs and it came back to life. If only every fix was that easy

[@L3nny666]

you drove your truck for months? with a knocking engine like that? all that unburnt fuel that got into your motor...did you at least do an oil change?

[@PantheonSalt]

This was the same thing i was experiencing with my 2005 Chevy Silverado. I just hadn't tightened the spark plug down enough. You could see it vibrating while the others were sitting still. Thanks for the video. It gave me a starting point that turned out to be the solution.

[@101vids2]

How to avoid cross threading. Turn the spark plug counterclockwise until you feel a small click, then turn clockwise by hand until it starts threading.

[@matt7iron]

First KZbin mechanic with no oily hands.

[@mauricebeenze1697]

no ways dude ,........omg i almost paid someone to check it.he charged me $250 because its a big job .thanx alot for the heads up dude

[@Stp47]

Fr same!

[@mike856ms]

This is exactly what I have in a 2005 Ford explorer 4.0 V6. I too push the wires and it stopped. Tomorrow I'm replacing plugs and wires. Thanks

[@AutOdometer]

Glad it helped!

[@kentbarger6974]

I'm done mechanic work for years I always put anti-seize on my plug before putting them in the cylinder head also an old trick I used to do is I would take a piece of hose and I would put it on the top part on the tip put it on the spark plug and then put the spark plug in the hole and hand twist a spark plugs to get it started then I would pull the piece of small hose off of the spark plug I hope this information helps anyone trying to get spark plugs back into their vehicle

[@aphexangelRD]

Got a 04 Mazda 6 2.3l, was having serious brake light, cruise control, transmission, and turn signal issues. I'd recently had the ECU reflashed because of a short when the crankshaft sensor cable fell into the alternator, so it was possible the unit was bad, around a $1k minimum repair. Turned out to just be a wire shorting out between the turn signals which fed power into the brakes - the shrink seal housing had been peeled off and it was touching the chassis. I respliced it, resealed it, and taped over that for good measure, and there's no more problems. Did take around $10 in fuses to isolate, though, but way better than $1k+.

[@kentbarger6974]

also I forgot to mention put on anti seize on the threads of your spark plug you can use a piece of hose and put that piece of hose on the head of the spark plug then all you have to do is turn the hose and you can start the spark plug in the holes by hand this way you do not accidentally cross thread a spark plug this little small trick. I've learned many years ago I'm a retired auto mechanic really works good I've installed thousands of spark plugs in vehicles using this method a piece of Hose big enough 2 slide on the electrode where you put on the spark plug wire just put a piece of hose on it and you will be able to turn the house and you can put the spark plugs in by hand once the spark plugs are in Far Enough you can pull off the hose easily I hope this information helps anyone out there putting in spark plugs

[@PATROL_KING]

Thank you very much, i had the same problem this morning and found that the 2 spark plug had some rust in it. cleaned it and reset the same one, problem solved. Thanks again.

[@AutOdometer]

Awesome glad to hear it

[@donk7964]

I had this same problem and tightening the loose spark plug fixed the issue.

[@trueonenation9926]

My 1982 Toyota Tacoma 4x4 pickup is knowing really bad I think it may be a rod knock but I’ll check the spark plugs 👍

[@Creamo2GS]

Just started to hear that noise on my car today on the way back home so I’m really hoping that tomorrow I can fix this with my head up high knowing my project car isn’t going to be distant memory.

[@BlueRage]

Was it loose?

[@wonkylommiter6364]

MANY MANY THANKS for this! I had the exact same noise, and was worrying about cam bearing caps, valves, cyl head problems, all kinds of things! when I checked the spark plugs after seeing this vid, sure enough, one was a little loose, quiet engine again now! again, many thanks :-)

[@ericlambousy2417]

one of my plugs on the trans am was backing out so much that i could see it bobbing. glad i caught it before it walked all the way out!

[@AutOdometer]

Nice 👍🏼

[@stevevicuna8393]

Thank you, I had a timing belt,water pump replaced 1999 Toyota 4runner 3.4 the mechanic told me it was the oil pump. checked out your video and bingo. Thank you again,again

[@craighutchinson6856]

I Can Only Imagine some mechanics might loosen one of those spark plugs up so they can say that the engine is needing major work done on it

[@AutOdometer]

I could believe that. That’s why I like knowing a lot of it myself

[@myes344]

They could lossen itself but yes. I can beleive scum bags would do that

[@thomasmcritchie124]

No he un loosened it

[@AutOdometer]

@stangmaster 2 the statistics show 8.5 out of 10 mechanics are either under qualified or dishonest. You be that 1.5 that are honest and do quality work

[@jaredjoseph992]

@@AutOdometer That is actually very useful info

[@arshadonline9697]

Very useful video I have the same problem I will fix it tomorrow mechanic told me its from engine bearing replace your engine 😀 Thanks for this video

[@allenstallion7656]

Well done , that was a smart method to fix engine knocking sounds . A simple spark plug that caused the problem. Thanks, I'm going to try that on my vehicle. It made that same annoying sound this morning. Hope it solves the problem. Thanks for posting this video

[@DgtalBreakz]

Thanks a lot for the reminder XD I even checked the valve cleareances yesterday and corrected 2 very slightly out of spec ones, just to have the noise fixed after 5 minutes this morning...

[@jerryteran2584]

This was perfect just fixed my engine thanks to this video existing

[@anthonybraun2665]

Thanks mate and just ignore the arrogant dickheads who have posted bitchy comments. You've done a great job ☺

[@AutOdometer]

Thanks man... and I always ignore the negativity. Lol. It’s part of it. 90% of its positive so I feed off that and continue on

[@boobizzy4173]

Lmao

[@robertmoir5695]

I do remember something like that actually March 1976 A bad crankshaft making the knocking sound

[@alejandrochanquin608]

Funny story. So I just picked up my Yoda and seemed that it was all good until overheating started. Thought it was something simple like thermostat or minor fix similar to the point I'm at now which is redoing full gasket replacement to find out the owners previous didn't follow the handy instructions on timing belt cover to use double prong not single prong spark plug.... This for me is not a loss buy a gain more knowledge for being 1st car I've personally worked on with out more experienced mechanics

[@allenrodriguez1346]

I pray this is the case because my car is in the shop and they want 3600 to put a lower mile engine but they did find little metal shavings in the oil pan

[@digitalbowser]

Slide some vacume hose over the tip of the spark plug and tread it in with that. If it starts the cross thread the hose will slip or twist.

[@XxGeometryDashxX]

Same noice from my 98 audi a4 avant gonna check it tomorrow. The sound has been bugging me for a while now

[@chumiyadeseree]

Sunny Dodia what happened when u checked it

[@jesusduarte2590]

I'll be looking into that tomorrow morning, I took my f150 to a shop for diagnose, they told me that it may be engine damage since it was knocking in the engine, I find that fishy since I didn't hear a knocking in my 20 minute drive to that shop, I hear the knocking after they pulled my truck out of the repair bay.

[@allenstallion7656]

Some mechanics will rip you off

[@mikecmassachusetts2020]

Nice straight forward video: I get this same problem only when starting the car cold . Kia Sorento V6 2011. If only on cold start would this be the same solution?

[@edgarcantu4127]

did you get a check engine light? I have something similar on a malibu. Not sure if its a pulley, sparkplug or like a engine/rod knock. I dont have any check engine light and engine seems to be running strong.

[@martinlesso8088]

I’m having the similar problem mine is more of a ticking But I’ll check this first

[@mcfluffnstuffs3203]

I had a 94 f150 4.9 straight six, one plug backed it's self all the way out and was sitting on top of the head hanging from it's boot and you could see it sparking! I thought it was hilarious just sitting there doin its job like that, but it's kinda not though since open flames and oily engine bays don't mix well 😂

[@wellnesspathforme6236]

Good thing you didn't have a gas leak!!!

[@ahill007ny]

Thanks ran across this same noise on a 1995 Lexus GS300 this evening. Spark Plug was so loose you could remove it by hand 😵

[@gregrun9238]

Thanks for the video. My 99 Toyota Tacoma 3.4L was ticking pretty bad. Thought I had it narrowed down to the flexplate or lifters. I was going to get someone more e$perienced take a look at my truck and then I watched your video. I checked my plugs and sure enough, I had a loose one. No more engine ticking. Thanks again.

[@Emperor_1971]

Yea I’m thinking on my is flex plate too but noise not coming from there only have the noise after driving n park with engine running

[@jessiegodinez1544]

🎉🎉🎉🎉🎉🎉🎉🎉thank you spark plug was coming out I retighten and purrs like a kitty

[@niners4life803]

Hello ty for the update I'm having the same problem 99 Toyota Tacoma 154000 miles I will have to check mine I was told injectors valves all sorts of bullshit I bet it's a lose plug ty.

[@deadly8987]

I think when people get this they change there spark plugs in a warm engine or it cold engine. But i know the hole expand and become smaller when cold have tight it by torque.

[@--Valek--]

I've had a sparkplug take all the threads with it while driving. It'll get your attention.

[@neshifuturo]

"never force your spark plug going to the hole when is not ready" :)

[@yanglue611]

I got a good question. Did you rev it and the noise was gone at certain rpm? I'm having either valve adjusting or spark plug. It was one cylinder so it was weird that only one cylinder is doing it not the rest.

[@BlueRage]

Was your plug loose?

[@yanglue611]

@@BlueRage No. Not really. I've been trying to think if it as fuel knock. The vibration on it wasn't good. 6 months back as of today, it needs a new crankshaft on my pickup.

[@jayatissa6028]

Lately my car engine has been giving some sort of knocking/ hammering sound. My mechanic asked me to overhaul my engine that would be costly. Perhaps I should check on my spark plugs. I have not changed the plugs for the past 3 years. The last time I checked there were some signs of oil marks on one or two plugs. Thank you

[@prettyboyexclusive6614]

Mind doing that as well I’ll check them hopefully that’s it🙏🏽

[@paulbryant8402]

Tell me now... 🤔🤔...? Why these people tumb down. well done my brother 👍👍👍

[@kentbarger6974]

use a piece of hose put them on the spark plugs then you can turn the plugs in by hand until they are started this way you do not cross thread the spark plugs

[@johnrogers7682]

Use a piece of five sixthteenths fuel line about 10 inches long put it on the glass end of the plug and start turning the plug into the hole and tighten it up by turning with the hose until tight you will never cross thread another plug by doing this

[@AutOdometer]

Nice tip thanks!

[@RashdanBb-eq6nj]

Does this sound goes away when you accelerate?

[@danbucks8869]

I had lose valve cover screw had my 99 f 150 knocking pretty bad I figured was valves or something I barely turned it and just quit immediately

[@kpdvw]

So what make Vehicle, model engine is this???

[@raydee5865]

My Carina GT had this annoying tapping sound, could it also be the same case?

[@saad3677]

I changed my spark plugs and now the knocking sound has reduced by about 95 percent. It only occurs for a very short times while changing gear

[@Aurielia33]

Im going to try this

[@georgedelatorre8943]

My car does the exact same sound come from under the valve and ignition coils..? So should i take out the spark plug and put it back right?. This seemed so easy but im new to cars and curious to do it myself

[@gabriellehije3850]

I have the same sound hearing from my engine. I hope I have the same issue which is solve in very inexpensive price

[@basitsher6370]

Nice bro

[@frankmarti8984]

Thanks very helpful

[@geok9984]

OMG I i just checked my Ford Explorer V8 and I Pulled 7 out of 8 spark plugs but I only had 7 in the truck smh

[@desertstyle8460]

Great video

[@geo79amg57]

Is this a common problem on vw tourag?

[@mehdidz4126]

Thank's freind Verry helpfull

[@waipunalee-puulei6405]

I just bought a $700 Chevy geo tracker and think this is the problem if it is your the fucking man!

[@12vLife]

Any chance installing a bigger battery on my 4 cylinder van (i went from 70AH OEM Led Acid to 115AH marine deep cycle) and now noticed slight detonation/spark knock at around 20mph to 40mph. it's very slight. My alternator is 160Amps. Not really sure it's related. I noticed it does not do it with super unleaded.

[@allanbrogdon7453]

Dad said his friends daughter called with car trouble a plug backed out.He told her to screw it in by hand to get home.He asked her how it was going she said i can't it keeps shocking me!

[@allanbrogdon7453]

@montanadoctor When I was a teenager i walked over to a friend's house to talk to her mom her dad said look out back and mom was doing the heads on a thunderbird.I was Suprised i was learning mechanics and wondering why dad wasn't doing it.

[@thegamerboi7034]

hi guys i have a french car it's a 2 liter petrol engine in the flat places I don't hear the knocking sound but when i am in going up a hill it makes that knocking sound (it sounds like it's coming from the top part of the engine) if someone can help i will be grateful

[@balogunwilliams9796]

Mine is making this noise will try tomorrow

[@AutOdometer]

Hopefully this helps

[@barereetsa]

This is beautiful...

[@stanj3088]

Always change timng belts

[@DonVerchi700as]

I believe this engine has a chain.

[@chasemiller7974]

@@DonVerchi700as No it's got a belt, but it's non interference.

[@ramizabbas5]

I Always See Oil In My Spark Plugs thats why i feel missfire and vibration in red signals After 3 days I go to Mechnic he Changes the first plug which usually goes dirty and black after that my car runs good but again After 2 to 3 days i got the same issue please tell me any Solution ..! I Have Premio X 1.8 ( 1zz)

[@SLOWCLA]

Try the spark plug seals

[@SLOWCLA]

There probably dried out

[@jessymode]

i wish mine was this easy

[@Richie_Rich92]

Sounds exactly like what I'm experiencing.

[@PerleyNick]

You set the torque wrench to 18 ft/lb, not 13

[@kenb7724]

What's all this "untighten, unloosen" talk?

[@j-vsautogarage6069]

That's NOT a knocking sound!!....

[@Clod15]

What sound is that? Electric??

[@mlaautomotivellc9327]

@@Clod15 Thats air from the piston compression when it comes up. Spark knocking is completely different.

[@calebwillhelm2635]

Lolololol comment cracked me up. You would know if it was knockin ole Son!!!!

[@tymeishaperfectoffice5852]

@@mlaautomotivellc9327 Hey, If I send you over a video of my knocking sound can you determine if I need spark plugs or not Because thats what my mechanic say I need but idk if that true

[@mlaautomotivellc9327]

@@tymeishaperfectoffice5852 I can't see any links on my email address nor on KZbin

[@catniplemon]

Unloosen = tighten Untighten = loosen

[@Sroor2023]

Lamfo🤣🤣🤣🤣

[@310smoker]

hope thats what my car has. or else ill have to change the valve rings

[@treyayala1743]

Is your check engine light on

[@AutOdometer]

Nope. 229000 miles now and still no check engine light

[@irmagarcia9082]

I mechanic so cal fre I nd without testing car said tk me is your head gaskets I say dont you want to check he said 4 hundred for you but my moms x came yo fix it it was just sparkplugs

[@AutOdometer]

Hopefully you can get to the root of the problem. Thanks for watching

[@pinkeye00]

"Was talking to a friend .... " - how most extreme engines failed.

[@Swagnandez]

Ahhh a trusty 5vzfe

[@Lukas-qu6ur]

Sounds like my atv 👂

[@swoopers4588]

Looks like you needs some fucking spark plugs 🤣

[@r33skylineprojects59]

😆

[@dustin9035]

That must be a diesel by the looks of those dirty spark plugs!

[@Penetratorcina]

Dude, diesel does not have spark plugs.

[@dustin9035]

@@Penetratorcina yeah, I know

[@paulk5311]

untighten, unloosen? come on dude no need for an un in there.

[@AutOdometer]

my bad

[@danielgarcia9095]

AutOdometer you have to be on it with these KZbin spelling and gramer professors

[@Clod15]

well, Untighten exists www.merriam-webster.com/dictionary/untighten As for unloosen, that is incorrect but as he said; his bad. :) THA MOAR YEW KNOE

[@heidis8713]

@@danielgarcia9095 HE has to watch out for the Grammar (not "Gramer") Police; but, YOU may want to watch out for the Spelling Police.

[@danielgarcia9095]

@@heidis8713 get a life you are no police you are a security unworthy like dog shit in a shoe waffle

[@mlaautomotivellc9327]

This is not spark knocking, its just air coming up the spark plug hole when the piston comes up.

[@josepeixoto3384]

LOL no, it's not, it's when the piston goes *down* when the explosion takes place ! but i see that so far you fooled 27 here.

[@TERMINATORT8OO119]

Good diagnostic nice video before I put my new spark plugs in I always like to put a touch of anti seize on the threads to it helps a lot when you go to replace spark plugs and tune it up and put electric gel on the tips of the spark plugs so it's easier to pull the ignition wires off too

[@brandonzamora5718]

Thanks very helpful,

[@cwyredman1974]

I’m definitely going to check my spark plugs. If that fixes it I’m making a video and I will thank you and mention you and your channel in it. I’m working on a 1985 Holiday Rambler motor home with a Chevy 454 in it. I just replaced all the push rods and it didn’t help the knocking. I am really hoping it’s just a loose spark plug!! Keep me in your prayers PLEASE!! Thank you, Perry

[@AutOdometer]

Hopefully it’s something simple like this! 🙏

[@cwyredman1974]

😕 wasn’t the problem

[@KUBBI7488]

i ll check on my avalon tomorrow!

[@minhopark780]

Hello, thank you for sharing valuable video. I am Ph.D student in university. I would like to use this video for my research. Could you permit me to use this video only for academic purpose? Thank you in advance.

[@jago5300]

It's aluminum head. You forgot to put your anti seize. Or you did and you didn't mention it

[@AutOdometer]

Well I thought anti seize messes up the torque spec or so I have read

[@danervin2530]

I’ve worked for Toyota (Lexus) for 10 years. In all of my factory training we were never, ever taught to add anti-seize to spark plug threads. As long as the head and plug are clean, just torque and go. Also, I’ve NEVER seen a plug loosen itself (when torqued), blow out of the heads, or pull the threads when removed. It’s not a ford...

[@myes344]

@@AutOdometer always use grease man

[@inverseuniverse5727]

@@danervin2530 , Agreed , when aluminium heads were gaining wider use , the old black metal plugs would seize in the threads . Newer plugs are nickel body and do not need anti sieze ,

[@wellnesspathforme6236]

@@danervin2530 >>just torque and go

[@CrimsonCarry]

thx 4 the video, knocking sounds r scary

[@markortega575]

That is a great useful tip - love this youtube ,Thanks guys.

[@mr.btm1tv213]

My Dodge Charger doing the same thing. I was doing this next spark plugs and wires the shops will slick u out ur hard earned money.

[@Emperor_1971]

Does that noise only come on after driving ? Cause my has this noise I can’t find what it is I thinking flex plate but noise not from there too .I’ll check the spark plugs tho

[@DougHinVA]

spark plugs for my Corolla (platinum NGK) were $30. That is CHEAP.... keep good plugs in the car all the time.... it's the obvious thing and easy to address.

[@davidbeaver3196]

Crap I just did timing belt water pump and still have the same noise and I know now that I need new plugs because the mechanic did the timng for me said the putgs weed bad did that noise go away when toy wered driving

[@BlueRage]

How long were the plugs in the vehicle?

[@dawnc.9440]

My Toyota Matrix has done the same thing. Took my car in for something else (belts and timing) and they never even addressed that issue. Now my car after a year is pinging/knocking when I accelerate... Could it be the plugs???

[@BlueRage]

Was it?

[@lj1810]

My moped sounds exactly like that could it Be the same issue?

[@zerozero1944]

Can this happen while accelerating? And not parked ?