coolant under valve cover

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Jul 28, 2011 | 04:52 PM

Blue-Z28

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Joined: Jun 2002

Posts: 31

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From: Maine

Car: 86 IROC-Z

Engine: 305 tpi

Transmission: 700R4

coolant under valve cover

Hi,
coolant is bubbling- leaking from under valve cover, not a large leak,when engine is warm. Do I need a Head gasket? 305 TPI 127,000K
Thank you!

Jul 28, 2011 | 05:20 PM

sofakingdom

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Joined: Sep 2005

Posts: 27,861

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Car: Yes

Engine: Usually

Transmission: Sometimes

Axle/Gears: Behind me somewhere

Re: coolant under valve cover

Probably not... at least, not for that reason... the head gasket isn't anywhere near there.

Watch for where the leak actually is. Suspect sources include cracks (duh), head bolts (all 17 on each side go DIRECTLY INTO the water jacket of the block), rocker studs (they usually go into the water jacket as well).

Jul 28, 2011 | 05:25 PM

Stevolwevol

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Joined: Nov 2008

Posts: 1,697

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From: Michigan

Car: 86 IROC Z, 92 RS

Engine: 305 4bbl, 305 TBI

Re: coolant under valve cover

I don't think this is possible. If it is truly coming from under your valve cover, it would certainly be mixing with the oil. Are you sure it's not coming from the intake?