allankennedy

My air con is stuck in econ mode and after having the gas checked and reading up on the problem I'm almost sure I need to change the pressure sensing device (G65 pressure switch) The problem is I can't find it ! The car is a 2005 Allroad Estate 2.5 Diesel with the BAU engine.
Could anyone please pin - point the component for me before I start removing the front end ?

cu52

Pressure switch is on the side of the condenser behind the bumper.

amiram

In most cases it ended with the electrical plug clean up. By the way, when you disassemble the pressure sensor G65 gas does not run away from the system. (One-way valve)

allankennedy

Many thanks for that . I've now got it off and there is green mould on the connector pins. It is numbered PT4-H1101 -------etc and I'm now looking for a replacement .
There are many cheap ones on Ebay with identical connections IE M10 thread and 3 pin plug but with different numbers. Also they have a slightly different body shape but would nevertheless fit. My feeling is that these will be the same electrically and I'm tempted to try one . Am I right or is it essential to match the exact part number

amiram

Audi PN - 8Z0959126 2002-2005 used in ebay 20-30 $