Volvo RWD 140-160 Forum

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Stuff banging between piston and head 140-160

I wonder how often stuff like this happens.

I just pulled a head, with a bent valve.

There were regular marks, like the sides of spark plug threads, I thought, on both the top of the piston and the inside of the head's combustion chanber.
The spark plugs were pretty well stuck to the head... never changed?
Could the lower portion of the plug separate, fall in...?

Unfortunately, by the time I got to it the 1 plug was missing, the one from the damaged cylinder.
--
Gregg Shadduck, Mpls, MN -- 2x '87 745; '92 245; '67 Amazon






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New picture of the bolt and knocking sound [140-160]
posted by  MacIsaac subscriber  on Tue Jun 7 06:36 CST 2005 >


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