P38 air suspension

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Originally Posted by keith5

I have reconditioned the valve block with all new rubbers and the green switch.
Might just put coils on her....

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I think you have missed the suggestion I was making. I am not talking about the O rings. On the end of each of the solenoid pistons there is a rubber section, not changeable as far as I can tell. These get indented in the area where they seal. Removal and grinding down to remove the indent in a drill press gives a new flat surface. I have just put a car back onto air springs after removing the coils fitted by the previous owner. The car has pretty much sat four square since the work. Look back over posts in the last few weeks to get pics of the offending part

Hi Keith,

It seems there is not a specific bypass kit around any more, so you need a set of those valves, some t-pieces and some 6mm air tubing a pressure gauge and them something to mount the valves on.

Your local Pirtex branch will have the tubing, but their t-pieces all seem to be metal.

Someone on here will have a source for the t-pieces I am sure.

A little work involved, but the peace of mind and extra flexibility you gain is well worth it

Steve

I am not a fan of the permanently installed bypass kit. More places to leak, more expensive and stuck on one car. Those valves can be had from e-bay or no doubt Pirtek. They sit in my glove box and can be fitted in a couple of minutes. You can also assist others if the need arises. They work well, I have used them in anger several times and once did the full length of the Holland Track and back to Perth using them.

Hi,

I noticed you have not said whether or not you have checked or replaced the o-rings on the air reservoir and the dryer.

Common leakage places as well.

Steve

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Originally Posted by wayneg

I am not a fan of the permanently installed bypass kit. More places to leak, more expensive and stuck on one car. Those valves can be had from e-bay or no doubt Pirtek. They sit in my glove box and can be fitted in a couple of minutes. You can also assist others if the need arises. They work well, I have used them in anger several times and once did the full length of the Holland Track and back to Perth using them.

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Agree 100%....

Don't insert more leak points, their fussy enough!!