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D24T Diesel, Valve stem to guide clearance 700

Hi all

I'm into the head now on my diesel rebuild. I'd like to get some advice on Valve Stem to Guide clearance.

The Volvo Green book procedure is to hold the valve open. The stem flush with the end of the guide and measure the side to side clearance with a Dial Indicator. Anything over .0511" is excessive. This seems like alot. I've worked on gassers with much less play than this. I've heard of errors with the Green Book. I'm wondering if this is one?

In any case, I have .042" Exhaust and .023" Intake (Highest reading, but pretty consistant.)

What would you guys do? Leave it alone or replace the guides. I haven't the facilities to press out guides so I'd have to send it out.

I'm leaning towards leaving it alone due to the fact that every valve has a positive Valve Stem seal that is getting replaced.

Thanks again








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D24T Diesel, Valve stem to guide clearance 700

I wouldn't worry about it. Those figures match the specs in the Audi 5000 diesel factory manual as well , so chances of a typo here are pretty slim .You're within specs. Just run the thing on synthetic oil after breakin and that clearance won't change for a VERY long time
--
-------Robert, '93 940t, '90 240 wagon, '84 240 diesel (she's sick) , '80 245 diesel, '86 740 GLE turbo diesel, '82 Mercedes 300SD for sale








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D24T Diesel, Valve stem to guide clearance 700

Werick:
I made a driver out of worn out valve-guides
and an extra valve. Driving those guys out is
MUCH easier than you think. Although I've yet
to do the guides on the six-cylinder version,
it isn't daunting on the four.Unfortunately,
spare parts have been scarce in my area for
years, and I watch for them.
Best of Luck!







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