A place for more technical discussions. Please make sure you post in the correct section on the site, this way it keeps the site tidy AND ensures you get a more relevant answer.
As so many of you, I am struggling with the 4WD vacuum system. I have tested and replumbed the vacuum system under the hood but still no effect. Can I test the vacuum line and hubs for leakages with compressed air? If so, what's the maximum pressure I could apply?
Not the hubs as the lip seals will open way too easy when there is pressure on the wrong side
But if plugged at the hubs, the piping can be checked but max 1bar.
But the best is a proper visual inspection and to check parts of the plumbing isolated from the rest. First the sensor, then plug all hoses and connect more and more until the fault appear.
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