THERMISTAT

1999 Cadillac SLS

Tiny

hothead

December, 1, 2009 AT 11:08 AM

Engine Cooling problem
1999 Cadillac SLS V8 Front Wheel Drive Automatic 70000 miles

replaced theristat still over heating at low idle will cool at higher idle

FOUND 12909 RELATED QUESTIONS

1 Answer

Tiny

factoryjack

December, 1, 2009 AT 10:43 PM

It doesn't seem right that it will overheat at low idle only. Speed equals increased heat, and it should overheat more, and faster with engine speed. I would still suggest a block test for leaking internally.

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