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2004 Cadillac Escalade Esv Heater takes longtime to warm up

Tiny
NMNERK
  • MEMBER
  • 2004 CADILLAC ESCALADE ESV
  • V8
  • AWD
  • AUTOMATIC
  • 95,000 MILES
2004 Escalade ESV

Heater takes longtime to warm up, then intermittently goes between hot and cold. Never stays hot. The blower works great, but blows cold air.

The coolant level is fine.

Thanks
Sunday, February 28th, 2010 AT 1:19 PM

1 Reply

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
The primary check would be to determine if the thermostat is letting the engine get to full operating temperature. The upper hose should get hot, only allowing your hand to be placed on it a minute or two. If it is comfortably warm, it is not getting hot enough.
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Tuesday, March 2nd, 2010 AT 10:43 PM

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