C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Noisy lifter

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Old Dec 19, 2001 | 09:41 PM
  #1  
Charleswb's Avatar
Charleswb
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2nd Gear
 
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From: Tomball TX
Default Noisy lifter

My '92 LT1 with 35,000 miles has developed a noisy lifter. On previous cars I used Bardahl or Marvel Mystery Oil treatments with good results. So far I haven't been able to locate these products. Can anyone recommend a product that will clean the lifter and quiet it down?
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Old Dec 19, 2001 | 11:04 PM
  #2  
rafzz4's Avatar
rafzz4
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From: San Diego CA
Default Re: Noisy lifter (Charleswb)

not to seem rude, but if it is a mechanical related issue, ie the lifter is out of sync, then you have to pop the cover and adjust or replace it yourself. I dont think any amount of magic liquid will fix a mechanical problem.

Also, be carefull what you put in there to try to do this, some of these products can be bad for your seals and things.

I hope this helps.

Rich
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Old Dec 19, 2001 | 11:19 PM
  #3  
danno85's Avatar
danno85
Burning Brakes
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Joined: Nov 2001
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From: Austin TX
Default Re: Noisy lifter (rafzz4)

I dont think any amount of magic liquid will fix a mechanical problem.
Sometimes the plunger inside a hydraulic lifter will "stick" due to varnish build up inside the lifter from not changing the oil frequently, which causes clearance in the valve train and the subsequent ticking noise. Even still though that is pretty un-common on an engine with only 35,000 miles, unless the oil has almost "never" been changed.

You might pull the valve covers and look for a rocker arm nut that may be backing off, or a rocker or push rod that's wearing out prematurely. :seeya
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Old Dec 20, 2001 | 02:18 PM
  #4  
24power's Avatar
24power
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From: Spartanburg s.c.
Default Re: Noisy lifter (Charleswb)

When you change the oil..put in 1 quart of transmission fluid along with 4 quarts of oil....I know some will tell you not to do this but it has worked for me on countless cars in the past and has never hurt anything.....It will clear up noise if indeed it is a dirty, sticking lifter.... :yesnod:
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