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Thread: Replacing G65 air conditioning pressure sensor on 2.0 TDI Touran (AZV engine)

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  1. Replacing G65 air conditioning pressure sensor on 2.0 TDI Touran (AZV engine) 
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    The G65 is located in a frustratingly visible but almost inaccessible point just to the left of the radiator fan. You can squeeze a hand in, but almost no room for tools, etc. I suspect this is similar to various other models where removing the right hand wheel arch lining is suggested as a way to get access.

    I thought I'd try and avoid that by seeing if a plumbers telescopic basin wrench might work from the top, like this from Screwfix:

    basinWrench.jpg

    For those not familiar with them, the jaw section pivots to be at 90 degrees to what the photo shows. You flip it one way so that the jaws grip on a clockwise twist, or the other way to get anti-clockwise action.

    It was still quite a struggle, but with a hand coming from the other side to help unfold and guide the jaws it took 20 minutes or so of jiggling and fiddling. Once the jaws were in the right place it works pretty well as the teeth make a ratchet type action, so many small turn forward / backs eventually work it loose enough to carry on by hand.

    Maybe worth trying for other awkward positions as well?
     
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  2. Re: Replacing G65 air conditioning pressure sensor on 2.0 TDI Touran (AZV engine) 
    #2
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    Getting the new sensor on added some new challenges. The old one had lost it's electrical connector "head", so came out quite easily due to being short enough to wiggle through the space available. The new one was intact and longer . To be able to start it on the thread I had to displace the a/c pipe it was connected to a bit by putting some stout rope around it and pulling it towards front of car so that the G65 had space to turn without fouling on a bit of the engine that was sticking out.

    For other reasons I happened to have the under-body scuttle off, and found that this gave quite a good bit of space to get to the sensor . I found a simple pressed steel 17mm spanner from a lawnmower / bike / something was handily shorter to be able to get a decent turn with each flip of the spanner, then used a normal 17mm shiny one to nip it up a bit more. From below is probably the best way to go for removal and installation .
     
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