Why most of old VW diesel engine head has hair line crack between two valves . Is that common failure of this engine Thanks
Question on VW diesel engine
Sep 18, 2004
2 Replies
Common problem, but not a failure unless its really bad. General consensus on the VW-DIESEL mailing list:
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to peen the crack(s) closed or fill with something like JB Weld orhigh-temp filler, file flat and use it as-is.
Most of them old ones do it and VW said it's nothing to worry about.
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