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Heater kind of working

Tiny
NICOLER04
  • MEMBER
  • 2007 SATURN RELAY
  • 68,000 MILES
In my 2007 saturn relay my rear heater works great, but the front heater only blows cold air. There is plenty of coolant, the heater and a/c works in the back of the vehicle, and the front is cold with the heater or ac
Sunday, January 8th, 2012 AT 9:26 PM

5 Replies

Tiny
JACKSPRAT
  • MEMBER
  • 46 POSTS
Check the A/C control unit for fault codes. Feel the coolant hoses going to the heater radiator, are they getting hot? If not you may have an air lock or a coolant circulation problem ( check water pump).
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Sunday, January 8th, 2012 AT 9:45 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Just to add to this one the first thing I would check is if both heater hoses are getting really going into the fire wall thats your starting point. If they are really hot then you have a blend door issue. Let me know what you find.
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Sunday, January 8th, 2012 AT 9:58 PM
Tiny
NICOLER04
  • MEMBER
  • 3 POSTS
I have one hose hot and one hose cold
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Monday, January 9th, 2012 AT 9:17 PM
Tiny
JACKSPRAT
  • MEMBER
  • 46 POSTS
Check your heater radiator for a blockage or restriction
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Monday, January 9th, 2012 AT 10:15 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Flush the heater core out make sure water flows freely in on nipple and out the other one.
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Tuesday, January 10th, 2012 AT 12:50 AM

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