Question about 2005 Volkswagen Microbus
Hi. that noise is the vacuum pump knocking. it should stop if you press the break pedal a few times or pull the pipe of the break servo. £120 on ebay half hour job to change
Posted on Jun 01, 2009
Is this when you accelerate? If so you have a spark nock...and need to readjust the timing. Yes the tappets sometimes do make noise.
Posted on Mar 25, 2009
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