1997 buick park avenue cylinders filling up with water?


head gasket , cracked blocks , heads extremely rare on 3800's. upper intake coolant leaks common. coolant leaking upper intake , leaks down cylinders based on gravity. leak occurs right throttle body cylinder 5 , 6 of coolant. solve problem have replace upper intake. $150 part full retail , such common problem parts stores stock it. aftermarket intakes have improved design won't happen again. not bad job replace take couple hours if paying shop guess @ least $500 job.

don't keep driving can end doing serious damage engine.

cylinders seem filling antifreeze, not leaking oil. have cracked head or gasket going out?


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