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R32 Airconditioning Not Working

Rekin

By Rekin,
in Tutorials / DIY / FAQ

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nk7 Community Regular

nk7

Posted
Posted

Does anyone have a photo of the fan resistor? As my aircon turns on but doesn't blow air out of the vents... From what I can gather from reading this it must be fan resistor

You could check:

- interior fan blower brushes coz they may have worn out (this blower is what drives the air through the vents - underneath dash passenger side - more than likely the culprit as it was for me as determined by the auto eleccy. Maybe when AC is on, tap the blower (usually a black unit above the passenger legs under dash) and see if it suddenly kicks in.

- check if front cooling fan in front of radiator is switching on - check relay wiring. Just good to check. Check voltage to front fan switch

- check if pipes have a bubble - maybe a leak and low gas pressure?? I am guessing here but good to check anyway.

Mind you I have a GTST not GTR so don't know if the same setup or not.

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soundtone
soundtone

Thanks heaps Sarumatix! Turned out to be the plug in the center console giving me constant heat. I pulled my whole dash apart to fix the heater core and this is the one plug I forgot to plug back in.

Rekin
Rekin

Plenty of R32 GTST's have a problem where the climate control only blows hot air or cold air. Even whilst cycling through the temperatures, the air doesnt seem to change. First step is to check if e

heller44
heller44

See post 47/49.. Educate mechanic. As long as the engine is running the engine fan will be pulling more than enough air past the aircon section. If the engine isn't running you don't need to worry a

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nk7 Community Regular

nk7

Posted
Posted

Check out this awesome thread on the interior fan/blower on passenger side I mentioned:

http://www.sau.com.au/forums/topic/227897-fan-blower-unit-in-r32-overhaul/

I wish I had searched here but wanted to fix my problem that day and then so I didn't check.

  • 7 months later...
Walfers Collaborator

Walfers

Posted
Posted (edited)

Bump, my 32 takes forever to switch between positions..sometimes it will just go back and forth, or twitch the arm.

I've just pulled apart the module and there's white stuff inside? Like mayo?? Is this normal?

Edit: it actually seems like it can switch between positions, but the feet one likes to open as it pleases... I played around with the fan controls whilst I had it apart and I couldn't match up any button that made it spasm.

The cogs inside the module seem to not be lining up, easiest just to buy another one? Anyone know where to get them new?

Edited by Walfers
Dark26 Community Regular

Dark26

Posted
Posted

White grease on the cogs is normal, I had the same thing when I opened up the temperature control motor. I haven't taken apart the vent mode motor so I'm not sure about how the cogs line up, but you can get a new motor through Kudos Motorsports.

  • 3 years later...
SeanR32GtSt Community Regular

SeanR32GtSt

Posted
Posted
On 8/20/2010 at 12:50 AM, soundtone said:

Thanks heaps Sarumatix!

Turned out to be the plug in the center console giving me constant heat. I pulled my whole dash apart to fix the heater core and this is the one plug I forgot to plug back in. One side of the plug is attached to the same loom as the cigarette lighter. It has two wires, brown and green I think. Check this plug if you have been messing around with your dash. I'm so happy to get this fixed!

Did your plug look like this?

878145DA-A331-4178-AFAB-ACFE3AE73887.jpeg

  • 3 weeks later...
LINK17 Collaborator

LINK17

Posted
Posted
On 9/19/2008 at 4:19 PM, Rekin said:

Plenty of R32 GTST's have a problem where the climate control only blows hot air or cold air.

Even whilst cycling through the temperatures, the air doesnt seem to change.

First step is to check if everything is fine with your climate control;

Follow the below steps, if everything is fine, your problem might be the connection to the blend-door servo motor (read further below)

diag1nb5.th.jpgdiag2dh6.th.jpgdiag3td0.th.jpgdiag4va8.th.jpgdiag5gn1.th.jpg

The r32 has a common problem of the Blend Door Servo Motor to stop working. This is due to the connection to the motor becoming damaged over time.

Solution;

- Go to the passenger foot well area.

img1718smallzn1.jpg

- look up where the feet air vent is.

img1732smallza7.jpg

- There you should see a metal rod and a plastic clip.

If the rod has fallen off, clip it back into position.

img1728mediumpi6.jpg

img1731mediumke2.jpg

- Cycle through the hot/cold temp buttons on the climate control quicky and check if you can see the metal rod moving. This rod controls the blend door.

- If the rod doesnt move, then the blend door servo motor is the fault.

- Just before the metal rod, is a wire loom connected to a socket

- Wiggle the wire loom whilst pressing the temp up/down buttons. The Blend door motor will then respond and move.

- I used some cable ties to create some pressure on the loom.

img1730mediumab5.jpg

This is just a temp fix, and will not last forever..

Best would be to replace the blend door servo motor and/or harness.

Repair Guide:

repair1kx2.jpg

repair2ay9.jpg

If anyone has replaced their blend door servo motor, please post in regards to how difficult it was.

Hope this has helped some r32 owners with their climate control problems ;)

Cheers

Patrick

I can't open these images?

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