fulid coming from by a/ compressor on 1991 GMC Vandura 2500

its not blowing heat or holding antifrezz change water pump and thermesat still over heating

by in Bloomington, IL on November 22, 2010
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2 answers
ANSWER by , November 22, 2010
Have block test done to check for blown head gasket. Do you see signs of coolant leaks? Intake maniflold gaksets are common sources of leaks on this engine.
ANSWER by , November 22, 2010
ck clutch fan raditor could be cloged is bubbling in raditor it could be bad head or headgasket fliud is come out at compressor is probley intake gasket