NO HEAT FROM HEATER. CAUSED BY AIR IN COOLING SYSTEM. WE PULLED THE HEAD-HAS NO OBVIOUS LEAK. SENT HEAD AND GASKET TO MACHINE SHOP. THEY CLEANED AND PRESSURE TESTED THE HEAD. FOUND NO PROBLEM. RESURFACED HEAD AND WE INSTALLED. STILL NO HEAT AFTER DRIVING AND A...

FIX posted 3/19/1998

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