Diff plug-any ideas?

Buster Edwards

Buster Edwards

Member
Hi guys and gals,

Despite soaking the diff’s filler plug in oil for some time before attempting removal the top has sheared off cleanly (still sealing the diff - felt like it was undoing nicely - doh). Ordinarily I’d drill out etc but with the restricted access can’t get in there. I haven’t dropped the diff oil yet (luckily) but still need to change it. Any ideas other than dropping the diff? I’d try filling through the drain hole but am concerned about over pressurising the diff seals.

Glad of any ideas/comments/laughs etc!

Thanks

Buster
1974 2200 TC
 
Hi, It depends on how much work you want to do under the car. You can separate the two halves of the diff casing to get the left half out and on the bench and deal with the plug. If you drop the diff you may well have to separate them to avoid swarf getting into the diff.

Another option is to weld a nut to the plug, weld a washer on first, then a nut to the washer.

Colin
 
colnerov said:
Hi, It depends on how much work you want to do under the car. You can separate the two halves of the diff casing to get the left half out and on the bench and deal with the plug. If you drop the diff you may well have to separate them to avoid swarf getting into the diff.

Another option is to weld a nut to the plug, weld a washer on first, then a nut to the washer.

Colin
Click to expand...
Thanks, will see about getting the casing off and deal with the plug on the bench! Much better for my back!!

Cheers

Buster
 
Support the diff on a jack, remove the 3 bolts into the support plate and you should be able to lower the diff enough to get a drill at the broken plug. Keep an eye on the brake hose on top - avoid stretching/kinking it. And the bolt at the nose....
 
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