Why is the air conditioner not working on my TrailBlazer LT?

A Trailblazer owner must take the SUV to a certified technician for this reset correction. A electrical wiring problem in the Trailblazer LT causes the air-conditioning controller not to operate. The blower motor is also affected by the same electrical problem.

What are the problems with the Ford Trailblazer?

1 Electrical Problems. Some of the most common problems with the TrailBlazer involve the vehicle’s electrical system and accessories. 2 Climate Control. The air conditioning and heating systems are another cause of problems for many TrailBlazers. 3 Recalls. 4 Safety Recalls. 5 General Problems. …

Why are the lights on my Chevy Trailblazer going out?

There are two likely causes: 1. Light bubs under radio switches went out. 2. Electrical circuit that hooks up to the light bulbs is bad I’m having the same problem with my wife’s 04 Envoy. Some of the radio lights are out.

What are the symptoms of a failed blower motor resistor?

Blower motor resistor problems. Problems with a blower motor resistor are common in many cars. The most common symptom of a failed blower motor resistor is when the heater fan only runs at high speed and doesn’t work at low speeds.

Why does my Chevy Trailblazer have a bad ignition switch?

Intermittent Bad Ignition Switch Causes Low Power and No Blower Motor. This 2004 Chevy Trailblazer came in with multiple concerns. The main issue was intermittent low power. When this happened, the customer said that the Electronic Throttle Control, ABS, Traction Control, and sometimes the 4WD lights would come on.

What did the running light go out on my 2003 Trailblazer?

2003 trailblazer. Running light on passenger side went out while the brake light still worked, same bulb. I detatched the wire harness from the tail light circuit board to find the pins corroded and broken.

Why does my AC blow cold then blow warm?

The moisture can freeze into ice crystals right at the orifice tube or expansion valve, clogging it and stopping the flow. The symptom appears as: blows cold, then warm. If you shut off turn on the heat for a while, that’ll melt the ice crystals and the system will start cooling again. But it will still freeze up.

Why does my air conditioner cut out when I accelerate?

Typically this occurs due to a bad vacuum check valve under the hood. During hard acceleration the AC door system loses vacuum, causing the doors to default to the windshield. This check valve keeps this from occurring. It is located under the passenger side of the hood.

What kind of car is the TrailBlazer LT?

The Chevrolet Trailblazer LT is a light-duty SUV that took the place of the older Blazer. Several technical service bulletins are published from the manufacturer concerning air-conditioning (AC) problems in the vehicle.

Why is my Chevy Blazer not getting gas?

Pressing the gas pedal does not give it more fuel. Taking the throttle body sensor off makes no difference either. Took it to a mechanic for a “professional” diagnosis – they told me it was the fuel injection system. Put a new one on this weekend, still no dice. Can’t move the truck as it won’t get gas.

What causes high air pressure when the engine is not running?

When there is higher than normal air pressure if the engine isn’t running, this means that there is high pressure in the condenser fan, which is what cools the AC system by passing air through it. This high pressure is commonly caused by two problems:

What causes acceleration in a 97 Chevy Blazer?

97 chevy blazer 4.3 idles great but upon acceleration it starts to surge, changed just about everything, fuel pump,cap rotor, wires, plugs distributor injectors, crankshaft, cam, throttle pos. sensor, tried new computer, at a loss starts right up and idles great, take in down the road and starts surging. Exhaust?

Why does my car AC blow cold air then blow warm air?

But that cold air turns warm fairly soon after because the high side pressures build to the point that the high pressure switch shuts off the compressor clutch. Once pressures equalize, the high pressure switch allows the compressor to start up again. The cycle repeats over and over, providing a short period of cold air, followed by warm air.

How to add refrigerant to a 1999 Chevy Blazer?

How to add freon to your 1999 Chevrolet Blazer: hook up the can of refrigerant (likely r-134a) to the low pressure port. When your compressor kicks on, add freon to the correct pressure.

Why is the ambient temperature sensor on my traverse not working?

If the engine was off long enough or the current outside air temperature is cooler than the stored value, a new outside temperature reading is taken and displayed.

Is there a Repair Manual for a Chevy Blazer?

You Fix Cars has auto service repair manuals for your Chevrolet Blazer – download your manual now! Chevrolet Blazer service repair manuals

If the engine was off long enough or the current outside air temperature is cooler than the stored value, a new outside temperature reading is taken and displayed.

What is the ambient air temperature sensor on a Chevy Tahoe?

The ambient air temperature sensor is a variable resistor interfaced to the Body Control Module (BCM). The BCM provides the logic for reading the ambient air temperature sensor, filtering the data and transmitting the information via the serial data circuit to the outside temperature display.

What’s the outside air temp on a Chevy Malibu?

As an example, here’s a look at the operation of the outside air temperature display on several GM small cars from recent model years (2004-2007 Malibu/Maxx; 2005-2010 Cobalt and G6; 2005-2006 Pursuit [Canada]; 2006-2009 Solstice; 2006-2011 HHR; 2007-2010 AURA, SKY and G5; 2008 Malibu Classic; 2008-2010 Malibu).

Why does my 2005 Chevy Trailblazer die at idle?

Clean it thoroughly and then take it on a test drive. Once the idle is re-learned, your problem will be solved. Also the radio control **** to turn channels or volume and on and off won’t work the radio and cd will switch back and forth,, what could could cause this — 2005 trailblazer.

Why is the radio not working on my 2005 TrailBlazer?

Also the radio control **** to turn channels or volume and on and off won’t work the radio and cd will switch back and forth,, what could could cause this — 2005 trailblazer. You may need a new radio. It would have to checked out to be sure.

Why does my Chevy Trailblazer smell like gasoline?

“Corrosion may cause small perforations with fuel tank modular reservoir assembly. Perforations may allow small amount of fuel to accumulate in a recessed area outside of the fuel tank. If this were to occur, it would be accompanied by a fuel odor.

Is there a gas leak in my Chevy Trailblazer?

I live in PA and about 2 weeks ago I detected an odor of gas near the rear of my 2004 TB Ext. I did not see any sign of a leak at 1st but after a few days I did notice a stain on the driveway. I printed out the info above and brought the TB to a local Chevy dealer.