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Registered User
Join Date: Apr 2019
Posts: 1
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Vacuum pump troubleshooting
Thinking my 2009 R56 Cooper S vacuum pump may be on the weak side but cannot seem to find operating specs for it. It pulls a max vacuum of 20 in. of vacuum and seems to hold it well after shut off. Engine lopes only when cold and incidentally seems to experience an overly hard brake pedal, but only on panic stops.
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05-06-2019, 09:35 AM
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Administrator
Join Date: Aug 2016
Location: Los Angeles, CA
Posts: 6,087
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Hello and welcome to the forum! Take a look at the links below to some helpful DIY guides from our site. Let us know if you have any other questions. Thanks!
Vacuum Pump Testing Vacuum Pump Replacement |
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05-06-2019, 12:34 PM
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