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Another head gasket question

Sizzler

NAXJA Forum User
Location
OREGON
Sorry to ask so many questions, but I was investigating the head for cracks and I noticed coolant in the intake valve housing of cyl 3. Is that a definite sign of a cracked head or could coolant be going back up into the housing from the cylinder? Thanks again for any help!
 
Sizzler said:
Sorry to ask so many questions, but I was investigating the head for cracks and I noticed coolant in the intake valve housing of cyl 3. Is that a definite sign of a cracked head or could coolant be going back up into the housing from the cylinder? Thanks again for any help!

Coolant could also be weeping through the head gasket into the cylinder, so it may not be a block crack. If coolant is "backing up the housing," it's from a low crack in the cylinder - and you'd see coolant in the oil as well.

Coolant in the intake valve housing would be strongly indicative of a leak - I'm not sure I'd even bother Magnafluxing the head.
 
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