2003 Cadillac Escalade OVERHEATING

2003 CADILLAC ESCALADE
90,000 MILES • V8 • 2WD • AUTOMATIC
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ADDIESGMA
  • MEMBER
  • 1 POST
My heater has been working sporadically. When it isnt working the temperature gauge starts to go up. If the heater kicks in and starts working the temperature gauge goes down.
Nov 13, 2009 at 3:32 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
no heat is a classic exmple of being low on coolant. You may have intake gaskets leaking. Take it to a pro and have them pressure check the system. You hae to be leaking coolant out in order for it to go down. then you get no heat......
Jan 13, 2010 at 10:47 AM
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