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1995 Chevy Silverado silicone on valve spring under rocker

Tiny
CFERRARO
  • MEMBER
  • 1995 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 212,000 MILES
Hi, I was under my valve cover the other day and seen that someone had put gray silicone under the rocker arms on top of the valve springs. I was wondering why this would be? It's a diesel and could it be someone thought they were making it quieter? I have never heard of this type of thing before. If anyone has heard of this or knows why this is I would appreciate feedback. Thanks.
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Monday, September 27th, 2010 AT 9:49 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,170 POSTS
I'm not a diesel mechanic, but will tell you that the rockers will cut right through it. Why they did it, I can't say. Is it doing anything? I would say no.
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Tuesday, September 28th, 2010 AT 7:12 AM
Tiny
CFERRARO
  • MEMBER
  • 3 POSTS
Your right it tore the silicone to shreds. I was just wondering if there might have been some thing I was missing. I cleaned the silicone off anyway and am going to start it up without the valve cover when I get some new parts that I ordered. Then I will see If it did anything.
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Tuesday, September 28th, 2010 AT 12:52 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,170 POSTS
When you get into it, I would say check for adjustment. Maybe that is all it needs.

Let me know what you find.

Joe
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Friday, October 1st, 2010 AT 8:14 AM

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