Question about Chevrolet Silverado 1500HD

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2003 chevy silverado 1500HD LT. A/C fan works intermittently

2003 chevy silverado 1500HD LT. The a/c works but the fan that blows out the air is not working. I know the a/c works because when i drive i can feel the cold air being pushed in by the vents past the coil. Sometimes it blows and sometimes it does not. Could that be the climate control or what?

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First check fuses, then test blower motor, Last Temp control switch

Posted on Jul 21, 2009

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I have a 2003 Chevy 1500hd Silverado and the reduce engine power comes up on dash and I lose all power after I turn off and on a couple of times and it works again whats is the problem and how I fix it....


try disconnecting the battery for 5 minutes to reset the complete system. a few different things cause the reduced power to activate, oil pressure, coolant temp, traction control. I use my snap-on MT2500 to locate these types of problems

Feb 11, 2015 | 2003 Chevrolet Silverado 1500HD

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2003 chevy silverado gear indicator lights don't work


Hi, this is a pretty common problem on these Silverado instrument clusters. We can definitely help you with that. Click here to learn more about these Silverado instrument cluster problems: Dr Speedometer Instrument Cluster Repair Speedometer Repair Guage...

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Unable to move air output to front vents or floor on my 2005 Chevy Silverado 1500HD. It is stuck on defrost. AC and blower working fine


ur acuator doors are bad usually happens when battery goes bad or is unhooked google sparkys answers and theres how to and pictures thats how i fixed my 03 1500hd also until i found out how to fix id go to the fuse box under hood while truck was on and pull ac fuse wait 10 sec replace and it usually blow out front vents until i turned truck off if u recently had battery go bad or unhooked look at recalibration on sparkys answers its simple and might be all u need

Apr 24, 2011 | 2005 Chevrolet Silverado 1500HD

1 Answer

I have a rat in my air fan that blows air in my 2003 chevy silverado. how can i get it out


Pull the glove box door and the box, then the 3 screws that hold the fan in there, get that thing out of there before it dies and stinks up the place. Or let your cat spend the night. Hope this helps.

May 25, 2010 | 2002 Chevrolet Silverado 1500HD

1 Answer

2003 1500hd chevy silverado 6.0 liter. I had a



DTC Number
P0160 DTC Name O2 Sensor Circuit No Activity Detected Bank 2 Sensor DTC Number P0300 DTC Name Random/Multiple Cylinder Misfire Detected

Feb 17, 2010 | 2003 Chevrolet Silverado 1500

1 Answer

2003 Chevy 1500HD 4x4


the problem is that your instrument cluster has a short circuit and it will need to be replaced you can try a used one but mileage will be off from yours you will have to remove the trim around the cluster then there are 4 screws holding cluster in place

Aug 29, 2009 | 2005 Chevrolet Silverado 1500HD

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2003 chevy silverado air does not blow through vents. Condenser works. Pipes are cold. Fan works. Modular (next to fan) repalced to get fan to work. Heater air conditioner controls under radio replaced....


The air vents are control by vacuum line and or linkage.

Listen for hiss or feel for vacuum leak under the dash,

Feel for broken linkage(s) that are close to the vents.


WORK BACKWARD if you have small hands to feel out where is the missing link.

Jul 15, 2009 | 2003 Chevrolet Silverado 1500

2 Answers

Heater blows cold on 02 chevy silverado 1500 4.3 V6


i had the same problem with my 2000 chevy truck!! i took both hoses off engine and flushed the heater core with water and air frome air compresser,added new coolent and it works perfect!!!! so try flushing your system............

Nov 17, 2008 | 2002 Chevrolet Silverado 1500HD

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Bad sensor on chevy truck


There are 2 both located in the block..

Aug 11, 2008 | 2002 Chevrolet Silverado 1500HD

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