Vacuum leaks
Over the years, one of the most common and annoying repairs and in total, an expensive one is chasing down vacuum leaks.
What is the most common cause of vacuum leaks? Is it breaks in the lines or loose fittings?
I want to start fixing these myself because it does not look too hard, just time consuming and I need to know what to look for. Thanks
I have a 77 240d and 80 300sd.
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