Question about 2002 Chevrolet TrailBlazer

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No air coming out of my air conditioner. put in a new resistor but that didnt work

New resistor

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I thought their was a service bulletin about bad switches

Posted on Dec 13, 2014

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Posted on Jan 02, 2017

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1 Answer

Air conditioning is not engaging when button is pushed to turn on.


Air Conditioner No air coming from air conditioning vents
  1. Check the air conditioner fuse and replace as necessary.
  2. Air conditioner system discharged. Have the system evacuated, charged and leak tested by an MVAC certified technician, utilizing approved recovery/recycling equipment. Repair as necessary.
  3. Air conditioner low pressure switch defective. Replace switch.
  4. Air conditioner fan resistor pack defective. Replace resistor pack.
  5. Loose connection, broken wiring or defective air conditioner relay in air conditioning electrical circuit. Repair wiring or replace relay as necessary.

May 31, 2011 | 2007 Buick Terraza CXL Wagon

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The heating and cooloing system is not working. There is no heat or air conditioning coming through the vents.


  1. Check the air conditioner fuse and replace as necessary.
  2. Air conditioner system discharged. Have the system evacuated, charged and leak tested by an MVAC certified technician, utilizing approved recovery/recycling equipment. Repair as necessary.
  3. Air conditioner low pressure switch defective. Replace switch.
  4. Air conditioner fan resistor pack defective. Replace resistor pack.
  5. Loose connection, broken wiring or defective air conditioner relay in air conditioning electrical circuit. Repair wiring or replace relay as necessary.

Dec 16, 2010 | 2005 Cadillac Deville

2 Answers

A rattle and vibration coming frfom inside air conditioning vents


  1. Check the air conditioner fuse and replace as necessary.
  2. Air conditioner system discharged. Have the system evacuated, charged and leak tested by an MVAC certified technician, utilizing approved recovery/recycling equipment. Repair as necessary.
  3. Air conditioner low pressure switch defective. Replace switch.
  4. Air conditioner fan resistor pack defective. Replace resistor pack.
  5. Loose connection, broken wiring or defective air conditioner relay in air conditioning electrical circuit. Repair wiring or replace relay as necessary.

Nov 23, 2010 | 2008 Volkswagen Jetta

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The air conditioning in my 2005 T&C stopped working. Right before it stopped there was a "burnt" smell coming through the vents. What happened?


No air coming from air conditioning vents
  1. Check the air conditioner fuse and replace as necessary.
  2. Air conditioner system discharged. Have the system evacuated, charged and leak tested by an MVAC certified technician, utilizing approved recovery/recycling equipment. Repair as necessary.
  3. Air conditioner low pressure switch defective. Replace switch.
  4. Air conditioner fan resistor pack defective. Replace resistor pack.
  5. Loose connection, broken wiring or defective air conditioner relay in air conditioning electrical circuit. Repair wiring or replace relay as necessary. Air conditioner has a smell when used
    1. The air conditioner evaporator drain hose is blocked or partially restricted, allowing condensation to build up around the evaporator and drainage tray. Clear the drain hose where it exits the passenger compartment.
    2. Check compressor clutch wiring, electrical connections and compressor clutch, and repair or replace as necessary.

Oct 10, 2010 | 2005 Chrysler Town & Country

4 Answers

How much oil do i put in my 2000 dodge stratus air conditioner compressor?


Most the time its 8 oz,, need to check with the seller and see the specs on compressor,it should say on ac compressor

Aug 22, 2010 | 2000 Dodge Stratus

1 Answer

My 2001 Ford Focus' heater/air dial has stopped working. The heater will only turn on "4" and the air conditioner will not come on. What is the problem?


Sounds like a burned resistor for your fan speed. 2- 8mm screws removes resistor check to insure coils are not broke.

Apr 29, 2010 | 2001 Ford Focus

2 Answers

All air stopped blowing in through the vents.


o air coming from air conditioning vents
  1. Check the air conditioner fuse and replace as necessary.
  2. Air conditioner system discharged. Have the system evacuated, charged and leak tested by an MVAC certified technician, utilizing approved recovery/recycling equipment. Repair as necessary.
  3. Air conditioner low pressure switch defective. Replace switch.
  4. Air conditioner fan resistor pack defective. Replace resistor pack.
  5. Loose connection, broken wiring or defective air conditioner relay in air conditioning electrical circuit. Repair wiring or replace relay as necessary.

Apr 27, 2010 | 1986 Toyota Camry

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