Question about 2003 Chevrolet Trailblazer Ext

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Blower blows up front but not in rear of 2003 chevy trailblazer ext

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Posted on Jan 02, 2017

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SOURCE: 2003 chevy tahoe front rear end fluid

i think what you are talking about is the front differential. you will wanna put gear oil in it. the correct weight would be found in your manual.


Posted on Feb 20, 2009

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SOURCE: 2003 chevy tahoe no rear heat

I know the earlier tahoe's have two heater lines running from the engine compartment to the rear under the vechile. Those lines could be clogged or pinched shut. What you do is get two hose locking pliers. Go under your truck, they are two metal lines that turn into rubber and back into metal again farther down the line. First, checked for pinched lines. If none, find where the rubber hoses are, clamp them off, remove from metal lines and drain. Use garden hose to flush fresh water through. When water comes through at high pressure and pretty clear, it should be done. Reconnect hoses, top off radiator fluid and it should be fine.

Posted on Feb 21, 2009

  • 1 Answer

SOURCE: 2003 Chevy Tahoe

Its probably the temperature actuator located in the right rear interior

Posted on Mar 07, 2009

  • 71 Answers

SOURCE: Air Conditioner blows hot on one side after battery DC

You need to replace the driver side temperature door control actuator. While doing this... make sure you bolt the new one in AND THEN PLUG IT IN or it will spin and not line up in the right place... then there is a series of crazy steps to fix that problem.

Posted on Jun 27, 2009

  • 109 Answers

SOURCE: 2003 Chevy Trailblazer my AC blower won't turn off!

you have a short to power which will cause it to stay on constantly check your blower motor resistor pack to ensure that it is working and check the wires going to the blower to make sure you have a power and a ground

Posted on Jun 29, 2009

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2 Answers

I have a 95 Buick Roadmaster D blower motor will not shut off even if the key is out


sounds like a blower motor relay or control module. have it check first with your mechanic as the part for your car is expensive. goodluck

Mar 28, 2017 | Buick Cars & Trucks

1 Answer

My heat or my defrost will not blow and when it does blow it wont turn off


If you have automatic climate control, you need to replace your blower controle module
If you have manual climate controls, you need to replace the blower motor resistor assembly.

Mar 17, 2011 | 2003 Chevrolet Trailblazer Ext

1 Answer

I have a 2003 trailblazer EXT LT. the front AC/ Heat controls work when they want to. they fan will run after the car has been turn off for as much as 3 hours. or it will not work at all. I checked the fan...


If you have automatic climate control, replace your blower control module, behind the glovebox.
If it's manual, replace blower motor resistor assembly, same location.

Feb 15, 2011 | 2003 Chevrolet TrailBlazer

1 Answer

2003 Chevy TrailBlazer..bad rattling under truck and feet.


It could be a bad rear blower motor, or resistor? theres a lot under the truck that could make noise, have a repair shop check it and make repairs.

May 13, 2010 | 2003 Chevrolet TrailBlazer

1 Answer

2004 chevy trailblazer fuse box diagrams


I have front and rear a/c. The air is blowing in the back but not in the front. Don I have 2 blowers/units. Could this be a fuse?

Aug 03, 2009 | 2005 Pontiac Grand Prix

1 Answer

Blower motor problems/ac problems


List of possibilities :
blower motor
resistors
switch(On/OFF)

May 18, 2009 | 2006 Chevrolet Trailblazer

2 Answers

2003 Chevy Trailblazer - Rear Heat/AC Controls Don't Work


Sorry, I don't have an answer, but have the same problem. Did you ever figure out what was wrong?

Apr 16, 2009 | 2003 Chevrolet Tahoe

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