A/c Pressure Switch

[diffeyp]

Hi all,

 

Have had intermitent A/C problems for most of the time I've had the vehicle (Galaxy 1.9tdi ghia with climate control 2002). Have replaced fractured pipe, compressor and condersor over the past two or three years.

 

I have fault 00792-A/C Pressure switch (F129) 35-00-- on VAG COM.

 

I suspect that the switch is faulty as the system has dye in it and I can't find a leak.

 

Where is the switch located and can it be tested/replaced without re-gassing.

 

Also I have had trouble finding a reliable A/C specialist, I am in Bude in Cornwall. Can anyone recommend someone.

 

Thanks

[chrispb123456]

Hi all,

 

Have had intermitent A/C problems for most of the time I've had the vehicle (Galaxy 1.9tdi ghia with climate control 2002). Have replaced fractured pipe, compressor and condersor over the past two or three years.

 

I have fault 00792-A/C Pressure switch (F129) 35-00-- on VAG COM.

 

I suspect that the switch is faulty as the system has dye in it and I can't find a leak.

 

Where is the switch located and can it be tested/replaced without re-gassing.

 

Also I have had trouble finding a reliable A/C specialist, I am in Bude in Cornwall. Can anyone recommend someone.

 

Thanks

Hi there

I was surprised I thought the gas would need to be removed but according to the TIS manual.

Removal.

1. Raise and support vehicle.

2. Disconnect the high pressure cut off switch electrical connector.

3. Remove the high-pressure cutoff switch. Discard the O ring seal.

 

Installation.

1. Note install new high-pressure cutoff switch O ring seal

Note. Coat the high-pressure cutoff switch O ring seal in clean refrigerant oil prior to installation.

To install reverse the removal procedure.

 

thats copied word for word from the manual, I would think then there is a schrader valve where the switch screws on its located in the area behind the o/s/front fog lamp you will need to remove the undersheild