ONLY GETTING LUKE WARM HEAT OUT OF HEATER FAN ...

2007 Pontiac Grand Prix

Tiny

Anonymous

January, 2, 2013 AT 2:31 AM

Only getting luke warm heat out of heater, fan blows fine, heat gauge is at 1/4 hash mark ( seems to be cool to me ), had checked coolant, was low and added about 1 1/2 ouarts coolant, didnt make any difference, not any exesive smoke comming out of tailpipe, oil 1/2 quart low ( due for oil change )

FOUND 6253 RELATED QUESTIONS

No Heat

37 ANSWERS
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2 Answers

Tiny

Jacobandnickolas

January, 2, 2013 AT 2:50 AM

Is the engine warming up to a normal operating temp?

Tiny

coverland

January, 2, 2013 AT 3:56 AM

I've had the experience with two cars of adding coolant to the radiator and the system developing an air lock where the heater blew cool air afterwards. On most newer cars, there's little 'petcock' screws that need to be opened to allow air out of the system. Does the top and bottom radiator hoses feel about the same temp (so you know you don't have a thermostat problem)?

Assuming the thermostat is okay and it's an air lock, you can do more research to see the procedure for clearing any air lock OR if you took the car in for a radiator flush, they generally know what and where to look to return a good working heater to you.

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