Question about 2004 Chevrolet Silverado

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Auto climate control gets stuck on heat during the summer. You have to turn the engine off and re-start the truck to make the heat go off. This is 2004 Silverado

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You have a faulty temperature actuator if it has dual a/c heat control levers on control head, you have 2 actuators, left side is under hvac case,right side temp actuator is above hvac case, if you only have 1 temp control on control head then your actuator is at bottom of hvac case the actuator is looking for correct position, it may defaul to full heat.

Posted on Aug 11, 2009

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The switch has fail, have same replace

Posted on Jul 31, 2009

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Posted on Jan 02, 2017

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1 Answer

In a 2001 Audi A4 with a 2.8L engine, how to fix no power to radio, climate control, and fog lights


Ck the fuses here is the info if you already haven't.
1-Headlight washer jets
2-Turn signal flasher
3-Headlight washer, glove box light, engine bay light, instrument cluster
4-License plate lights
5-Instrument cluster, heated seats, auto trans display, outside air temp
6-Central locking system
7-ABS
8-empty
9-heated mirrors
10-empty
11-cruise control(auto trans)
12-on board diagnostic system
13-brake lights
14-interior lights
15-power windows, climate control
16-ABS, anti-slip(?)
17-heated door locks
18-right high beam
19-left high beam
20-right low beam
21-left low beam
22-tail and side marker (right)
23-tail and side marker (left)
24-wipers and washer jets
25-blower for heating/climate control
26-rear window defogger
27-empty
28-fuel pump
29-engine timing
30-sunroof
31-tail lights, cruise control, auto trans
32-engine timing
33-cig lighter
34-engine timing
35-trailer receptacle(?)
36-fog lights
37-radio
38-trunk light, central locking system
39-flashers
40-horn
41-empty
42-empty
43-heated seats

Ok there's the numbers. To figure out what the hell that means you have to look at the inside of the cover to the fuse box. left side of dash panel. Good luck.

Oct 18, 2017 | Audi Cars & Trucks

1 Answer

If the engine is hot. when you off it will not start again mitsubishi carisma


Vapor lock is a problem that mostly affects gasoline-fueled internal combustion engines.
It occurs when the liquid fuel changes state from liquid to gas while still in the fuel delivery system. This disrupts the operation of the fuel pump, causing loss of feed pressure to the carburetor or fuel injection system, resulting in transient loss of power or complete stalling. Restarting the engine from this state may be difficult.
The fuel can vaporize due to being heated by the engine, by the local climate or due to a lower boiling point at high altitude. In regions where higher volatility fuels are used during the winter to improve the starting of the engine, the use of "winter" fuels during the summer can cause vapor lock to occur more readily.

Aug 27, 2013 | Mitsubishi Carisma Cars & Trucks

1 Answer

Lack of power, hesitation, climate control blowing hot air


Always check body grounds. You may have good power to the engine with a good ground still, but your body grounds control power to all else.

May 03, 2017 | 2006 Lincoln Mark LT

1 Answer

No heat just a/c fan works new thremostat flushed heater core seems like everything under the hood is fine temp gauge is normal just no heat


There is a simple test you can do in case the blend door is stuck. On the climate control panel, simultaneously press the OFF and FLOOR buttons, then within 3 seconds push the AUTO button. It is best to do this with the engine warmed up, but you can do it without the engine running, just turn the key to ON position. It will cycle the mini computer for a few seconds, After it stops, press the defrost button. Might fix it for free.

Nov 05, 2011 | 1996 Lincoln Town Car

2 Answers

2007 Chevy Silverado dual climate control, even if passenger side is not on it blows cold air on passenger side and hot on driver side when in heat mode, also noticed cold air on driver side when A/C is on...


Just had this happen today to my 2007 silverado heat on the right side cold air on the left side. After engine was off 15 minutes and restarted heat was on both sides. I'm guessing a relay failed to open door to allow the heat to flow thus blowing cold air.will monitor diligently for a while.

Oct 20, 2010 | 2007 Chevrolet Silverado Classic SS New...

1 Answer

Heat control will not turn off. I want to


No, this would route the water that usually goes through the heater core and bypass it back through the engine. I should mention that this is a way to temporarily fix a problem but should not be employed for a long term solution.

May 02, 2010 | 1997 Chevrolet Cavalier

1 Answer

I have a 2003 Acura TL and the climate control is getting fake-y. The thermostat use to be responsive from going from hot to cold, but now I need to turn the dial all the way to HOT before the heat will...


Most likely the thermostat itself is going bad. When they fail, they get stuck open so that the engine doesn't overheat. Problem is, the coolant doesn't stay in the engine long enough to absorb enough heat to adequately heat the climate control air. You'll most likely need a new thermostat. They're inexpensive to buy (on my Audi it's a $13 part) but depending on where it is located, it could be cheap or expensive for labor.

Nov 07, 2009 | 2003 Acura 3.2TL

3 Answers

98 buick century , with auto climate control ,


is it HOT or just not as cold. If its HOT, like heated air, there is a door problem, if its just not cool, the a/c refridgerent is low and will need a recharge, most likely the comp is leaking.

Sep 18, 2009 | 1998 Buick Century

1 Answer

Auto. Climate Control


start by inspecting your monovalve(located behind battery in engine compartment. The diaphragm is probably torn- you need to remove the 4 retaining screw off the lid and pull out the solenoid. on is the diaphragm. when it is torn hot water enters your heater core all the time

May 18, 2009 | 1995 Mercedes-Benz E-Class

2 Answers

Bmw heating/climate not working


you might check to see if theres air coming out at the floor level or the windshield level..if so you have a stuck regulator for the air control

Jul 12, 2008 | 1999 BMW 323 Series

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