Sump nut size
Moderators:davidr, BigCatXJS, dhdove
Can anyone advise of the exact size of the sump nut fitted to a K prefix (93?) 4.0 litre XJS, please? Tom C
Sump nut size
According to the Service Manual it's 30mm with an M20 thread.
Al McL
'93 XJS 4.0 - '20 XF 2.0 Sportbrake
'93 XJS 4.0 - '20 XF 2.0 Sportbrake
Sump nut size
30mm confirmed by David Marks at the XJS Seminar yesterday.
As a result of the length of a 30mm spanner and the torque that can be applied as a result, these nuts are prone to being overtightened which strips threads and at worst, especially on later cars where the threaded area of the sump is "scalloped away" can destroy the sump
Always replace the gasket.
Regards
Tony
As a result of the length of a 30mm spanner and the torque that can be applied as a result, these nuts are prone to being overtightened which strips threads and at worst, especially on later cars where the threaded area of the sump is "scalloped away" can destroy the sump
Always replace the gasket.
Regards
Tony
XJS Bulletin Board Moderator
2013 Mercedes Benz SLK55 AMG, 420bhp. Plenty for me, thank you.
2013 Mercedes Benz SLK55 AMG, 420bhp. Plenty for me, thank you.
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MARKPEARSON
- Posts:157
- Joined:Sat May 27, 2006 11:25 pm
Sump nut size
Hello all
Sump drain plug is 30mm as previously stated over tightening can as DH says can cause severe damage.
The correct torque setting is 41 to 47 newton meters.
Also replace the copper washer as it does get squeezed to flat to use again and only costs a few "coppers".
Best Regards Mark
Sump drain plug is 30mm as previously stated over tightening can as DH says can cause severe damage.
The correct torque setting is 41 to 47 newton meters.
Also replace the copper washer as it does get squeezed to flat to use again and only costs a few "coppers".
Best Regards Mark
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