Working on a 2005 Beetle and the auxiliary brake vacuum boost pump appears to be malfunctioning. The numbers on the sticker are:
862664-01
1.13.051.206
I have not been able to find a replacement so far. Is there an alternate number I can look for such as a 1J0 part number? Thanks in advance.

 

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You need to get your motor scanned (preferably with VAG-COM\VCDS) for any error codes logged in the ecu and post them, that will save a lot of guessing and check systems out.

 

That's the problem. No codes are coming up but the pump motor doesn't stop running so they have to disconnect the battery.

 

No error codes scanned with what, a generic scanner?

You need to get your motor scanned (preferably with VAG-COM\VCDS) for any error codes logged in the ecu and post them, that will save a lot of guessing and check systems out.

 

VW dealer wanted roughly $400 to do this. This video is the best I have found on this topic, thank you sir.
snaptube vidmate