[xk-engine] Flywheel Removal

The flywheel on my 58 3.4 is different in that the dowels are not
threaded on the inside which would allow for removal as some of the
posts suggest. The dowels are about 5/8’’ in diameter and sit flush
with the wheel. How are these removed? Also, can I damage the crank
and or bearings by using a hammer to remove the wheel? I’m being
very cautious for now. Thanks.–
58 XK150 FHC - 73 TR6 - 77XJ6L
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In reply to a message from Paul_NY sent Thu 12 Nov 2009:

I just had the same experience with a 1968 DHC that members
of the Sacramento Jaguar Club are rehabbing after it sat
idle for over 10 years. As you described, the flywheel
dowels were not threaded. You are looking at the headed
end, the actual dowel portion is 0.500 inch in diameter.

The flywheel can be removed by tapping on the front side
alternately in line with each dowel taking care not to cant
the flywheel too much at any time. Be prepared when it
comes off it is sometimes sudden and it is quite heavy.

I then drilled and tapped for a 1/4-28 NF thread in both
dowels so that if ever needed for removal again the
prescribed method can be used.

Jim C. 1968 XK150 DHC project car.–
The original message included these comments:

The flywheel on my 58 3.4 is different in that the dowels are not
threaded on the inside which would allow for removal as some of the
posts suggest. The dowels are about 5/8’’ in diameter and sit flush


1989 XJ-S Coupe, the Phoenix
El Dorado Hills, CA, United States
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In reply to a message from Jacamo sent Thu 12 Nov 2009:

1968 DHC XK150???–
The original message included these comments:

I just had the same experience with a 1968 DHC that members
Jim C. 1968 XK150 DHC project car.


68 E-type OTS, 96 X305 XJ12
Cambridge, United Kingdom
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In reply to a message from PeterCrespin sent Fri 13 Nov 2009:

Ah yes! My typo and I did it twice. 1958 is the correct year.–
1989 XJ-S Coupe, the Phoenix
El Dorado Hills, CA, United States
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In reply to a message from Jacamo sent Fri 13 Nov 2009:

I’ve always left a couple of bolts partway in, then used two
hammers and tapped the flywheel loose with equal taps on both sides
at once, and the bolts catch it so it doesn’t drop.
I don’t understand the need to remove the dowels with the flywheel
in place. After you take it off, the dowels are tapped out quite
easily from the front side.–
XK120 FHC, Mark V saloon, XJ12L Series II, S-Type 3.0
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I just removed the flywheel on my XK120 FHC. WHAT a PAIN! It took me 2 solid days of prying, and hammering, and the car was very accessable on a lift! Of note, my car has an incorrect 140 engine, and the big one-piece bell housing. It was shear agony to get the transmission out through the passenger compartment. I was following the 120 instructions, which has a half bellhousing. Now I have to remove the engine, in order to put everything back in one shot.