1999 Cadillac SLS thermistat

1999 CADILLAC SLS
70,000 MILES • V8 • FWD • AUTOMATIC
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HOTHEAD
  • MEMBER
  • 1 POST
replaced theristat still over heating at low idle will cool at higher idle
Dec 1, 2009 at 3:08 AM
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FACTORYJACK
  • ✓Experienced Mechanic
  • 4,159 POSTS
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.
Dec 1, 2009 at 2:43 PM
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