I have cleaned the plenum on the CDTi I have just purchased. Sure enough there was water in the bottom but at least I caught it before it reached the ECU.
On my 260 I'm sure I had two drains in the plenum, the main one on the passenger side but there was also one under the servo on the drivers side. My new car has a rubber bung in this position (as far as I can see). Is this correct?
I did try pouring water in the drivers side and it will drain through the outlet on the other side but I just wanted to make sure this is all correct.
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