Changed intake gasket now antifreeze in oil

Tiny
MARKEJ65
  • MEMBER
  • 1998 CHEVROLET ASTRO
  • 4.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 300,000 MILES
Changed intake manifold gasket. Now loud knock in engine, and antifreeze in oil. Found that Felpro has had gasket problems with this engine.
Wednesday, October 2nd, 2019 AT 10:16 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

I have never had issues with Felpro myself.

Can you upload a video of the knock?

Do you have coolant in the oil now or was that the original issue?

Roy
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Thursday, October 3rd, 2019 AT 2:22 AM

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