Quote:
Originally Posted by Phil th Barrow
Thanks Mike. Ill test vacuum latter. Do you know its ideal reading on a gauge.? Ill strip and clean pump if its low. EGR pipe is ok but will check again. Vacuum is still there 24 hrs after engine off..
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Sure I read somewhere that the master cylinder needs at least 18inHg to perform efficiently, so anything over that and you should be fine.
As the vacuum is still there after 24 hours both the master cylinder diaphragm and non return valve are good.