i have a1992 buick skylark with a 2.3 quad 4 engine .theunit blows
antifreeze out of th coolant tank. i have installed a new cap and t stat
the coolant is not hot they tell me i have an air pocket can any one tell
Cracked head. Blown head gasket.
All of the Quad 4 heads tend to crack in the chambers. The early SOHC
cracks on the outside, too, so check all of them over carefully and
expect to do a lot of welding."
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