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O.T. Buick Engine Coolant Leak
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Posted by IA Roy on December 19, 2005 at 10:33:04 from (199.120.70.243):
My son has a 91 Park Ave. He has a coolant leak that is going out the exhaust pipe. Have not been able to find any external leak. Does not go into crankcase. Only 220,000 miles. It runs good. I tried several stop-leak products. I suspect either bad intake manifold gaskets (like my Lumina did) or a head gasket. On my Lumina I still wasn"t sure when looking at the old manifold gaskets, and still wondered if I had it fixed until I drove it awhile. Is there any way to narrow this down before I tear it apart? I know overall this engine has a very good reputation. I hate to tear it apart a second time if I don"t get it fixed the first time. Thanks in advance.
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