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Where is the defroster door switch location on a 1996 chevy wt 1500, defrosters dont work

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1 Answer

Where is the vacum hose for the defroster switch located

The blend doors are NOT controlled by vacuum. They are controlled by electric mode door actuators.

May 26, 2014 | 2004 Chevrolet Chevrolet Silverado 1500 SS

1 Answer

I have a 2004 chevy silverado 1500,and when all my switches are all turned off ac heater defroster inside there is hot air still coming out of my vents inside the truck and I have the vents all shut off...

there is a diverter door in the heater box that allows outside air to enter the cab this door can stick open when you change from defrost to ac you should hear this door flip directions

Mar 17, 2014 | Cars & Trucks

1 Answer

Trying to figure out how many blend doors are in a 1996 Chevy 1500. It does not seem like all the doors are operating properly because I feel very little thru the vents and not as strong as it should be on...

There is 1 blend door for a vehicle with a main temperature control, 2 for dual driver/passenger climate control settings etc. The vents however which open and close to switch between defrost, floor, bi level etc may not be functioning properly. You should feel the same temp in all your vent outlets, whether you're getting the volume out of each is something totally different to address

Feb 01, 2011 | 1996 Chevrolet C1500

2 Answers

Where is the fuse for the door locks on a 1996 chevy 1500 series

For 1996 Chevrolet 1500, the fuse block door access is on the drivers side edge of the instrument panel. Pull off the cover to cover to access the fuse block. Check the position 13 (Power Amp, Cigarette Lighter, Door lock Relay, Power Lumbar Seat) and A position (Power Door lock, Six-way Power Seat, Keyless Entry Module).

Other details can find in the 1996 Chevrolet 1500 - Owners Manual

Hope this help (remember rated this help).

Mar 19, 2010 | 1996 Chevrolet C1500

1 Answer

Front windshield defroster on my 96 chevy truck doesnt work

defrost dorr is not opening check to see if cable clamp has broken or if works off vaccum check for broken vacum line. berrydalewolfe

Oct 29, 2009 | 1996 Chevrolet Tahoe

1 Answer

Where is the air door actuator? The air flow will not switch from the floor to the defrost. 1995 Chevy Beretta Z26 3.1

The Heater/Defrost actuator is located on the right side of the HVAC housing under the right side of the dash. It is vacuum operated.

90% of the time, when the mode doors do not work it is because the vacuum line in the engine compartment is broken or disconnected. The second most likely cause of the problem is a leaking vacuum selector switch located within the control head assembly. (This switch is available by itself, you don't have to replace the entire control head.)

Failure of the actuators themselves is possible, but rare.

Oct 22, 2009 | 1996 Chevrolet Cavalier

1 Answer

Is the correct name for the part that controls the air flow from a/c to defrost called the A/C Heating Servo Unit, the defrost does not completely defrost the front windshield but the a/c works just f

Well it would be the "mode door GM pt#88986538" or the "mode control cam actuator GM pt#89023358" on the side of the heater case. The door would control where the air comes out and the actuator tells the door where the setting is at on the control head.

May 14, 2009 | 2003 Chevrolet Silverado 1500

1 Answer

Defroster & floor blowers don't work but front facing vents do

There are what they call mode door's these days they have a electrical motor that turnes the door to different posistions...sounds like yours is become broken. It would depend on your expertise in the ac & heating system area to replace the part. Sometimes easy and most of the times the dash has to be removed.

Feb 12, 2009 | 2002 Chevrolet Silverado

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