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Old 11th February 2019, 10:57   #3
Phil th Barrow
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Rover 75 Conni Auto SE

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Originally Posted by Mike Noc View Post
Most common cause of loss of vacuum on the diesels is leaking EGR pipework. As a double check try removing the pipe and blanking it off at the connector.

Yes the vacuum pump can be removed and cleaned. If I remember correctly it is a simple vane pump so check for wear and that the vanes aren't sticking. Also make sure the end plate gasket isn't letting by.

Treating yourself to a vacuum gauge might help with the faultfinding - they aren't that expensive.
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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