Buick Repair Questions? Ask a Mechanic for Answers ASAP
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in most cases, it is a head gasket failure. the only way to confirm is to remove and inspect. once the heads are off, then they heads need to be checked for cracks. the cost for this service can be anywhere from(###) ###-####depending on the needed repairs.
as far as if it is worth it, that is your decision. can you replace the car for this amount???
is it in good condition other than this issue???
it is close to the actual value of the car.