Vacuum Pump Issue! -

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Old 01-09-2009, 03:12 PM
Junior Member
Join Date: Dec 2008
Posts: 20
Default Vacuum Pump Issue!

Hi Guys,

I noticed my brake booster vacuum pump has been clicking on and off alot, especially when first started. Is this normal? The brake pedal is a little grabby and stiff, maybe there is a leak? How would I go about testing for this? I did a VAGCOM test and there are no error codes and the pump works on demand so I doubt it is a pump issue. Is there a pressure sensor that can go bad etc??
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Old 09-16-2012, 02:24 PM
1st Gear
Join Date: Oct 2010
Posts: 1
Default Brake booster

I have had a similar issue with the brake booster vacuum pump relay clicking constantly and can't seem to find the issue. Did you ever resolve your problem?
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