The heads off the left side, the pistons are clean, walls in good shape, head still looks good after a closer look cant feel even the slightest slack in either of these piston arms can see inside the case and there isnt any scoring or marks of any kind on the cam that I can see I didnt take a good look at the whole rocker arm valve assembly. Even though it has hydro lifters, could something on that end have started tapping into a knock? Its not nearly a clunking noise i was hearing I dont know anything about the history of this except it was recently rebuilt by a mechanic. It was easy to take apart at least so far...
________________________________ From: Richard Jones <jones@colorado.edu> To: beer_eighty@YAHOO.COM Cc: Vanagon Mailing List <vanagon@gerry.vanagon.com> Sent: Monday, June 1, 2009 6:54:13 PM Subject: re: '82-2.0 teardown. help me find the knocking please
> A ticking progressed to a knocking my final trip of last summer.sounds like front end of the left side case. I have an '81 air-cooled, non-California. It ran too hot around Bishop and Lone Pine one September and started knocking. I drove it home to Boulder. Teardown revealed the noise was piston slap. The cylinders were all scuffed up. Cause: poor sealing of the engine tin to the body, so heat was coming up to mix with the cooling air, which then didn't. Good luck! Richard |
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