Thread: Air Suspension proplem on a 2008 D3 155k

The front valve block is supplied from the reservoir valve block along with the rear valve block. The valves in the front block may be contaminated by pulverised dessicant from the dryer or there could be an electrical fault. You need to have the fault codes read to help avoid guessing. Anyone nearby with a GAP IIDtool should be able to read the fault codes.

Thanks Graeme,
Any one in Perth, Thornlie area with a gap tool. I can come to you.

Originally Posted by Grasshoppr

Thanks Graeme,
Any one in Perth, Thornlie area with a gap tool. I can come to you.

There is a section for people with diagnostic tools that may be able to assist.

Thanks, Loanranger,
I'll have a look around for it.

Still chasing a gap tool.
Anybody have one please.
I suspect a compressor pressure switch as the compressor runs from another supply.

Originally Posted by Grasshoppr

Still chasing a gap tool.
Anybody have one please.
I suspect a compressor pressure switch as the compressor runs from another supply.

I'm a fair way from you in Fremantle and mine is for my D4, plus I'm no diagnostic expert (but do have the operating manual),. You are more than welcome to try it. I'm retired so pretty flexible timewise providing I know you are coming.
0438 003 105 or PM on here. Gavin

I’m about the same distance in the opposite direction - the hills towards Mundaring.

Happy to assist though

The front valve block is under the right side of the front bumper just ahead of the wheel behind the liner, pushed onto 3 prongs with rubber grommets.

Ensure that the electrical connector is correctly fitted.
Remove the supply line then check for air coming out when the engine is started. If no air then there's a blockage at the reservoir valve, but probably OK.
Remove the valve block, noting which coloured line goes where (take a picture). Dismantle the valve block, being careful to note the location of the o-rings. Clean the valves of any pulverised dessicant then re-assemble to see if the front rises.