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 9:33 PM
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BLUELIGHTNIN6
CERTIFIED EXPERT
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 11:19 PM
FACTORYJACK
CERTIFIED EXPERT
4,159 POSTS
Don't disregard a stuck open, or improperly regulating thermostat.