Losing coolant & compression testing good numbers.... - Saab 900 Bulletin Board - Saabnet.com
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Losing coolant & compression testing good numbers....
Posted by DET (more from DET) on Sun, 10 Mar 2002 10:46:06
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Did the cranking compression test on my 87T. Both end cylinders 170 psi, center pair 155/160. This engine slowly loses coolant, apparently invisibly. One plug looked awfully clean (sign of coolant cleaning I am told). FWIW engine was well warmed up also & ignition disabled.
Have not seen any visible hose leaks or radiator leaks. Car is semi high mileage (231K), and puffs some blue smoke at idle (valve seals or turbo?), but the coolant leakage had me thinking head gasket. However the compression readings seem to indicate otherwise.
Bentley says do a pressure test and see what happens.
Any thoughts?
DET
posted by 172.151.7...
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