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Old 04-13-2016, 06:17 PM   #1
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Knocking tapping noise.

I changed my oil, thermostat, and coolant. Oil went from royal purple 5w30 hps with seafoam to 10w30 castrol full synthetic and changed the fuel filter from a wix filter to a ford filter. Coolant was autozone brand. Car only makes noise when the engine isnt hot.
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Old 04-13-2016, 06:39 PM   #2
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could be a number of things. but the 10w30 is thicker at cold than the 5w30. maybe you are lacking some lubrication in your top end because the oil is too thick? Under normal circumstances, 10w30 should be just find for these engines. but the seafoam may have dislodged some gunk in one spot and got stuck somewhere in the top end?
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Old 04-13-2016, 07:06 PM   #3
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Perhaps an exhaust leak?
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Old 04-13-2016, 08:12 PM   #4
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could be a number of things. but the 10w30 is thicker at cold than the 5w30. maybe you are lacking some lubrication in your top end because the oil is too thick? Under normal circumstances, 10w30 should be just find for these engines. but the seafoam may have dislodged some gunk in one spot and got stuck somewhere in the top end?
That seems logical. The car is making more noise now than it did with 5w30 and seefoam. Should i try adding seefoam again?
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Old 04-13-2016, 08:14 PM   #5
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Perhaps an exhaust leak?
Ive been hoping for this ever since i got the car but the tapping noise didnt go away when i added an o/r x
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Old 04-13-2016, 09:58 PM   #6
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Ive been hoping for this ever since i got the car but the tapping noise didnt go away when i added an o/r x
It still may be a leaky exhaust manifold gasket. Typically, you will hear the noise increase when the engine is under moderately heavy load.
I just replaced my header gaskets today because of a "ticking" noise. It's quiet as can be now! For an old truck, that is...

You are going to have to dig deep into all of the "tick" detecting skills that you have learned on this website Superdrift. You know, the long screwdriver used as a mechanics stethoscope, and such.
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Old 04-13-2016, 11:06 PM   #7
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It still may be a leaky exhaust manifold gasket. Typically, you will hear the noise increase when the engine is under moderately heavy load.
I just replaced my header gaskets today because of a "ticking" noise. It's quiet as can be now! For an old truck, that is...

You are going to have to dig deep into all of the "tick" detecting skills that you have learned on this website Superdrift. You know, the long screwdriver used as a mechanics stethoscope, and such.
Ive only replaced the header to midpipe gasket. The only time i really hear the noise is when its idling everywhere else its fine. Ive taken a broom handle and listened to it and could hear a tapping noise before i changed the oil and it was slight. Now its very noticable untill the car heats up and it goes away.
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Old 04-14-2016, 01:26 AM   #8
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Well the modulars are known for having some piston "slap" noise when they are cold. There's just a hell of a lot of parts in these engines that can cause a ticking noise.

How has it been running otherwise?
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Old 04-14-2016, 06:19 AM   #9
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Well the modulars are known for having some piston "slap" noise when they are cold. There's just a hell of a lot of parts in these engines that can cause a ticking noise.

How has it been running otherwise?
Car runs great its just im paranoid about the car since im hearing noises
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Old 04-14-2016, 08:44 AM   #10
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My 98 ticked every day from 100,000 miles to 165k to when I sold it... my truck has over 200k and ticks every day 5.4L

Run the proper oil, 5w-30 and get the seafoam crap out of your engine. That stuff is terrible to leave in it. Flush it out with seafoam then change the oil. If necessary, change the oil twice. I never put that garbage in my engines and they run just fine, they just tick at idle.
The lash adjusters, timing chain tensioner gets weak over time and start to tick. No big deal, but if you're really that concerned you're more than welcome to have a machine shop rebuild your valve train :p
But I'm gathering you're scared cuz you don't have that kind of money, we'll neither did i. So imo, keep up on maintenance as normal, and just run it

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Old 04-14-2016, 10:26 AM   #11
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My 98 ticked every day from 100,000 miles to 165k to when I sold it... my truck has over 200k and ticks every day 5.4L

Run the proper oil, 5w-30 and get the seafoam crap out of your engine. That stuff is terrible to leave in it. Flush it out with seafoam then change the oil. If necessary, change the oil twice. I never put that garbage in my engines and they run just fine, they just tick at idle.
The lash adjusters, timing chain tensioner gets weak over time and start to tick. No big deal, but if you're really that concerned you're more than welcome to have a machine shop rebuild your valve train :p
But I'm gathering you're scared cuz you don't have that kind of money, we'll neither did i. So imo, keep up on maintenance as normal, and just run it

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Yeah the seafoam was removed, im changing the oil back today to 5w30 and hopefully that will get rid of the tapping/squeaking noise. I could get the money to fix it but it would take about 6 paychecks but i dont wanna park it because its fun to drive.
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Old 04-14-2016, 11:56 AM   #12
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Yeah man, I wouldn't park it, I would only truly start to worry around 180k

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Old 04-14-2016, 03:07 PM   #13
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Yeah man, I wouldn't park it, I would only truly start to worry around 180k

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Forreal? I thought these noises indicated a rod knock or something
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Old 04-14-2016, 04:19 PM   #14
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No sir, if you would like, I can record a video of my truck starting up then show you the odometer. ..
But yeah it's chain or lifter noise

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Old 04-14-2016, 09:00 PM   #15
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No sir, if you would like, I can record a video of my truck starting up then show you the odometer. ..
But yeah it's chain or lifter noise

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That would be great
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Old 04-15-2016, 04:10 AM   #16
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Taken at 4:50 am with front facing camera due to work restrictions. ..

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Old 04-15-2016, 06:04 AM   #17
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https://youtu.be/wnEMwH6bFAU

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Old 04-21-2016, 10:33 AM   #18
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It might be your timing chain. The guides get wore out and make slack. The chain then starts slapping on the guides. I would pick a wooden broomstick and stick it to the timing cover. You will feel and hear it through the peice of wood.
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Old 04-21-2016, 11:21 AM   #19
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It might be your timing chain. The guides get wore out and make slack. The chain then starts slapping on the guides. I would pick a wooden broomstick and stick it to the timing cover. You will feel and hear it through the peice of wood.
Lol I know what it is, unless you meant that for the OP lol either way, yes that's a big problem with the modular 2v

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Old 04-21-2016, 11:47 AM   #20
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It might be your timing chain. The guides get wore out and make slack. The chain then starts slapping on the guides. I would pick a wooden broomstick and stick it to the timing cover. You will feel and hear it through the peice of wood.
Ive done that and ive heard a tapping/clicking noise when i put it on the intake manifold

---------- Post added at 04:47 PM ---------- Previous post was at 04:46 PM ----------

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Lol I know what it is, unless you meant that for the OP lol either way, yes that's a big problem with the modular 2v

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Just making sure, you do know i have a mach 1 and not a 2v right?
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Old 04-21-2016, 12:30 PM   #21
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I meant it for the OP and the 4v still has this issue.
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Old 04-21-2016, 07:44 PM   #22
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I meant it for the OP and the 4v still has this issue.
Yeah i cant get it to make the noise when im at a shop or with people who could know what it is
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Old 04-21-2016, 08:17 PM   #23
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That is usually how it goes with me to! does it get louder if you hold it at around 2,000 RPM or higher?
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Old 04-22-2016, 06:48 AM   #24
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That is usually how it goes with me to! does it get louder if you hold it at around 2,000 RPM or higher?
Ive noticed that it sometimes gets louder after i drive it and sometimes it goes away after i drive it
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Old 04-22-2016, 08:11 AM   #25
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Ive noticed that it sometimes gets louder after i drive it and sometimes it goes away after i drive it
Yeah the 4V is the same set up, it just has even more pieces that would make it tick.
It sounds to me like you have a sticky lash adjuster. My 98 did too. I could sit there and listen to it, then seconds later it instantly goes quiet.
I wouldn't worry too much, but if you can catch it on video, that'd be helpful

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Old 04-22-2016, 09:45 AM   #26
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Yeah the 4V is the same set up, it just has even more pieces that would make it tick.
It sounds to me like you have a sticky lash adjuster. My 98 did too. I could sit there and listen to it, then seconds later it instantly goes quiet.
I wouldn't worry too much, but if you can catch it on video, that'd be helpful

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https://youtu.be/AZzcBva1Wgs
Got it on video a while back, this is at its worst.
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Old 04-22-2016, 02:58 PM   #27
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Yeah dude sounds just like lash adjusters imo. Not really a big deal, but you could do something about it this winter when the car should be sitting. ..

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Old 04-22-2016, 03:45 PM   #28
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Yeah dude sounds just like lash adjusters imo. Not really a big deal, but you could do something about it this winter when the car should be sitting. ..

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I live in north carolina so winter isnt bad here, how much does a shop charge for them?
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Old 04-22-2016, 04:03 PM   #29
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I live in north carolina so winter isnt bad here, how much does a shop charge for them?
Probably quite a bit, it's a LOT of work just to get to them, let alone replace them. And while you're in there, you should have them do the timing chain tensioners and timing chain guides.

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Old 04-22-2016, 09:45 PM   #30
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Probably quite a bit, it's a LOT of work just to get to them, let alone replace them. And while you're in there, you should have them do the timing chain tensioners and timing chain guides.

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Yeah i got quoted for 1.5k
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Old 04-22-2016, 11:15 PM   #31
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Ebay hasn't done me wrong yet, although I have a 2v I found a timing set (chains, tensioners and guides for like 90 bucks. If your going that far into it I would suggest you change your oil pump since its right there, just something you wont have to worry about down the line.
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Old 04-24-2016, 10:39 PM   #32
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Yeah dude sounds just like lash adjusters imo. Not really a big deal, but you could do something about it this winter when the car should be sitting. ..

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https://youtu.be/U9LdCKAw1qg
I realized my exhaust video picked up the noise pretty well
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Old 04-25-2016, 12:07 AM   #33
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https://youtu.be/U9LdCKAw1qg
I realized my exhaust video picked up the noise pretty well
It doesnt sound bad to me. My 03 kind of makes that noise too but only when its cold. A slapping metal type noise, it will do it until its warm. My 16 5.3 Silverardo makes a similar noise as well when its cold and it has 6k miles. I guess I would be more concerned with mine if it didnt stop when it was warmed up.

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https://youtu.be/U9LdCKAw1qg
I realized my exhaust video picked up the noise pretty well
Also Im really liking your MMDs on your car. Are those the 10" in the rear? What tires and size did you go with?

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Old 04-25-2016, 06:38 AM   #34
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It doesnt sound bad to me. My 03 kind of makes that noise too but only when its cold. A slapping metal type noise, it will do it until its warm. My 16 5.3 Silverardo makes a similar noise as well when its cold and it has 6k miles. I guess I would be more concerned with mine if it didnt stop when it was warmed up.

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---------- Post added at 12:07 AM ---------- Previous post was at 12:06 AM ----------



Also Im really liking your MMDs on your car. Are those the 10" in the rear? What tires and size did you go with?

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Yessir those are the 10in rears and they have bridgestone potenzas 295/35/18s
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Old 04-25-2016, 10:15 AM   #35
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Yessir those are the 10in rears and they have bridgestone potenzas 295/35/18s
Thats what I thought. Could make out the bridgestone on the sidewall lol.

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