Question about 1990 Buick Regal
Hi. I have a 1990 Buick 3800 with serious oil sludge in the antifreeze. I checked the level in the tranny thinking that maybe the cooler for the transmission was leaking into the rad - but the level in the transmission was full and clean. I pressure checked the rad with a pressure checker, and as the engine was running, the gauge gradually rose into the danger zone. I shut the vehicle off: the gauge slowly decreased to almost nothing within 5 minutes. Does this sound like a head gasket problem: if so - how would the oil get into the antifreeze? (I didn't think that motor had an oil passage running through the block and up into the heads). The engine oil has gone down a little - but the oil in the pan is clean... no water or antifreeze in the oil. HELP! Very confused.
There are oil galleries in the had so that the valves and cam can get some lubricant so it maybe that in one of those oil galleries has a crack and same with the head gasket so it could be either one
Posted on Oct 15, 2008
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Posted on Jan 02, 2017
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