1999 Cadillac Escalade heater

1999 CADILLAC ESCALADE
152,000 MILES • V8 • 4WD • AUTOMATIC
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LIZZZY
  • MEMBER
  • 1 POST
why does it take long for heater to heat up in a 1999 cadillac escalade? what part could i need to replace?
Oct 21, 2010 at 2:33 PM
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BLUELIGHTNIN6
  • ✓Experienced Mechanic
  • 16,542 POSTS
ensure coolant level is good in radiator. if its good than there may be a partial clog in the coolant system and it needs flushed OR the heater core is failing.
Oct 21, 2010 at 4:19 PM
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FACTORYJACK
  • ✓Experienced Mechanic
  • 4,159 POSTS
Don't disregard a stuck open, or improperly regulating thermostat.
Oct 21, 2010 at 4:27 PM
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