The front heater will blow hot but when you stop for a light it will start blowing cold but will again blow hot when you speed up and the rear heater never blows hot. What could cause this problem?
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2007 Saturn Relay Question: heater doesn't work properly
Answer #1pushrod October 28, 2012, 19:40Master
MAKE SURE IT IS FULL OF COOLANT. HOW MANY MILES ON ODOMETER?
ReplyHenry Ray, October 29, 2012, 20:04Enthusiast
It is full of coolant. I even took the cooling system cap off and added water, which was only about a cup full at the most. The van has approx. 93000 miles on it.
Answer #2Greg's Orange Auto (13428 Answers) , Orange, CA - (714) 361-9386globalhelper October 29, 2012, 06:25Master
sounds like coolant level is low ck that 1st thing
ReplyHenry Ray, October 29, 2012, 20:07Enthusiast
I checked by removing the cooling system cap and added water to the system there, which only held about a cupful at the most.