Question about 2007 Chevrolet Impala LS Sedan New Cars

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When parked the heater does not work. Works fine if car is moving

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Yes, Low coolant.
Leaking water pump or leaking rear head gasket very common on this engine.
Would be under the 5 years / 100k miles factory warranty.

Posted on Oct 15, 2009

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I just had the same exact problem like three weeks ago. I refused to believe that I was having cooling system problems on a 2007, with 35,000 miles and I was right. I had a hole in the coolant resevoir. Looked as if the heat from the engine or something had burned clear through. However, I used an inexpensive plastic tank epoxy and it worked like a gem...no problems since....

Posted on Mar 04, 2010

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Check and make sure the system is not low on coolant, if the coolant is ok have the thermostat operation tested to make sure engine is getting hot

Posted on Oct 07, 2009

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1 Answer

How come i dont get no heat?


The heater core may be plugged with rust. Good way to test it is with the engine warmed up put the controls in heat mode and then go under the hood and locate both water hoses going t the heater core. Hold on to both hoses to see if the temperature of both hoses are the same. If not, no water is getting into the core. . If the temp is the same, then control vacuum is not working. There is a check valve in the line to the control head that prevents vacuum fluctuations from moving the blend door when accelerating. Check it.

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Difficult to shift from Park to Reverse and back. All other gears move fine between each other. Brakes switch works fine. Transmission fluid is fine.


The linkage needs ajust. Its under the vehicle so if u du it..use jackstands...a jack alone will fall. A shop manual is helpful..library or from partstor. U cud also have a worn trans

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1 Answer

Heater blowing cold air


You have to bleed airfrom the system.take to the shop

Dec 12, 2013 | 2002 Chrysler Concorde LXi

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My heater won't blow warm air if i am parked only when the car is moving


If your engine temp reads warm then your heater core is clogged. Try flushing the system. If it reads cold then u need a new thermostat

Mar 04, 2013 | Cars & Trucks

1 Answer

I have 1995 buick park avenue and the auto climate control only blows out hot air. I have followed the instruction in the manual and i canot get it to work. The heater works jus fine tho.


IT is possible that the blend door is not working or you may just need to clean out the evaporator (coils under the dashboard). The door is located under the dashboard where the air ducts are located. See if they are moving. Otherwise inspect the evaporator it may need cleaning. You may also need to recharge the AC system.

Jul 21, 2011 | 1995 Buick Park Avenue

1 Answer

Buick heat problem 1995 Park Ave.When I have the heater on switch to defroster I only get heat out of the drivers side in both setting,heater/defrost. The car has dual climate control I have set the...


Check the actuator motors on the inside on the heater box to see if they are working. They are small motors with rods mounted on the outside of the heater under the dash. This motor moves the arms that direct the heat to where you want it.

May 08, 2017 | 1995 Buick Park Avenue

1 Answer

No heat, heater core is good,blower moter works


Check the operation of the heater control valve. If it doesn't open up no heat. If the cable moves the control on the valve take the valve off and check it manually. The lever may work but the valve still doesn't open.

Sep 30, 2009 | 2002 Mitsubishi Galant

1 Answer

The fan works but no heat, when I parked it 2 yrs ago it worked fine


Ok, check to make sure the heater control valve moves when you move the lever to full heat. It would be rusted from being parked.

If that is OK, try draining the coolant, flushing the heater core by itself first with water, then blow it out with air. It is probably plugged. Then refill the system and try it again.

May 17, 2009 | 1992 Honda Accord

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