LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

loud squeal

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Old May 20, 2009 | 08:43 PM
  #1  
turnerracing354's Avatar
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From: michigan
Question loud squeal

i just had put my motor in my car and when i start it up it has a loud squeal so i took the belt off and it still makes the sound. any idea what this could be
Old May 20, 2009 | 08:50 PM
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Is it just a squeal or is there a knock with it? but usually if somethin squeals it means that oil is not getting somehwere
Old May 20, 2009 | 08:57 PM
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its just a squeal i don't hear any knocks.
Old May 21, 2009 | 06:52 AM
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Its really hard to diagnose anything by just a description of sound, but it cant hurt to pop ur valve covers off and let it idle and make sure that each pushrod has oil coming out of it, you should see a pretty good flow of oil over each rocker
Old May 21, 2009 | 07:52 AM
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Is it an automatic or manual car?

If manual, it could be the throwout bearing. If automatic it would have to be somethnig else. There isn't anything inside the engine that will squeal from lack of oil. Grind, crunch, and pop but no squeals....

Wait..I just though of something. Does itonly do it when starting or does it continue when the engine is running? If it's a squeal on start that goes away it's a starter issue...you might need a shim.

Last edited by bw_hunter; May 21, 2009 at 07:54 AM. Reason: Brain actually kick in....
Old May 21, 2009 | 08:24 AM
  #6  
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From: Lancaster ca.
Originally Posted by ThreeHonks
Is it just a squeal or is there a knock with it? but usually if somethin squeals it means that oil is not getting somehwere
Check for push bind , if you have guide plates.if so squirt oil on them see if it goes away.
Old May 21, 2009 | 08:04 PM
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Thanks for all the help but im almost positive that the starter needs to be shimmed the sound is coming from that area
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