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Volvo AWD 850 Forum

INDEX FOR 10/2025(CURRENT) INDEX FOR 12/2005 850 INDEX

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At 430,000 with dead cylinder: Rebuild or replace with a used motor (or a remanufactured one?) 850 1996

If I had storage space, I would buy your car - I love having a clutch!

Have your mechanic pull the spark plug and use a bore scope to take a look at the valve and cylinder. He could look at all 5 and get a better diagnosis.

At a minimum, you are looking at head removal, multiple valve replacement and valve seat repair. Figure $800-1000 for "out of car" repair costs JUST for the head.

Fortunately, this is not a turbo so less work involved in head removal and put back.

There is an outfit that specializes in head repair:

https://www.cylinder-heads.com/automotive-cylinder-heads/volvo/?gclid=Cj0KCQiAweaNBhDEARIsAJ5hwbdMm6_VpXbqN197bXnsm4iLdQiI_wC-tvdWI0jCcGpSBmDCXmMijI4aAozjEALw_wcB

You might want to E-mail them and see if they still do heads for Volvos. They claim to replace all 20 valves, valve seats, flatten the block side, etc. Used to be $800, who knows how much now?

--
Keeping it running is better than buying new






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New At 430,000 with dead cylinder: Rebuild or replace with a used motor (or a remanufactured one?) [850][1996]
posted by  someone claiming to be Hugh  on Tue Dec 14 20:27 CST 2021 >


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