Questions & Answers for: Chevrolet Tahoe heat pump blows cold sometimes

...blows geart cold air, but the passenger side only blow hot air. I have cycled the air on and off, tried it in auto mode, but no matter the setting for the temp on both controlers the passenger side ...

...heat cold air blows out of defrost vents on high cold or hot dont want to just starting changing things would a be great help if any knowledge thanks ck the coolant first with it cold if it is full ...

...blows heat. When set to a cold temp it blows room temp. Now my front a/c has stopped blowing. While it is still cold and hot when the temp is adjusted (I can feel it eeking out of the vents), the ...

TEMPERATURE GAUGE GOES UP AND THEN SUDDENLY GOES DOWN. BLOWS COLD AIR WHEN ON HEAT. COULD THIS BE THE WATER PUMP OR THERMOSTAT? Could be low on anti freeze or thermostat going

...pump gaskets and or cracked head).If it is full check to see if you have heat on either side of your vehicle as this usually has driver and passenger heat controls.If it has heat on one side and not ...

...heat. Its only blowing out cold air. When I try to change the heater settings nothing happens. It just blows out cold air. Flush out heater hoses.Could get clogged up after a while.If you don't use ...

...heat blowing but heat is blowing from the back Make sure the directional gate on the core isn't jammed or something isn't broken. It allows air to flow over the heater core or blocks it for cold

...heat when I finished but the next morning it was only blowing cold air could this be the water pump? Chuck, having done this last year on my 99' Tahoe I will tell you to check to be sure you have ...

...blows cold air. The rear heat seems to work fine. I changed ... Rear AC blows hot air - Tahoe Forum - Chevy Tahoe Forum www.tahoeforum.com > ... > Technical Discussions Jul 14, 2008 - 10 posts - ?5 ...

...heat comes from back vents a/c works fine. This is going to be the thermostat most likely. Easy and cheap. It could be the water pump going as well. Replace the blend door actuator. Under the dash on ...