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Triumph TR6 - Differential oil seal

I'm currently rebuilding by '72 TR6 differential and trying to insert a new front oil seal. The problem is that the seal just seems too big for the hole it's meant to fit in. I've even tried freezing the oil seal to see if that will shrink it just enough to fit, but with no luck.

Does anyone have any good tips on how I should be doing this, short of using a sledge hammer.

Cheers

John
John Friar

I'm in the process of replacing my seal also. I have a 1971 TR6 and the seal was leaking real bad. I was told that the seal is no big thing to replace, but I cant seem to get the old one out, besides beating the thing to death. Any suggestions from anyone? Also will I have problems getting the new one in? Thanks for the input.

Mike Linthicum
Mike Linthicum

Differential oil seals, removal and installation.

I have just replaced the oil seals in the differential on my 74 TR6. To remove the pinion oil seal, I bought a three leg puller for $15.00 at a local auto parts store. I used only two of the legs and they were just small enough to fit between the pinion end shaft yet get behind the oil seal in order to put it out. Be sure to buy a small enough puller. The arms on these pullers are reversible so you'll have to assemble it in such a way as to be able to have the pulling lips facing the outside, not the inside. Once you hold it in your hands you'll quickly see how to do this. Even with this tool, it was not easy, but it worked. The seal came out quite damaged but there wasn't a scratch on the differential or the inside diameter of the oil seal bore (very important).
To insert the new seal was easy. First, I bought the seals from Moss and the pinion seal was made in England. I coated both the seal and the inside diameter of the bore with STP, then placed the seal at the opening of the bore and using a very large socket that was just a bit smaller than the diameter of the seal, delicately tapped it in.
Be sure to look at the seal to know which way it goes in, the printing on it faces outwards so you can see it once the seal is in. If the seal you have is obviously too big to fit, maybe you were sent the incorrect one. You can measure the outside diameter of the seal and then the inside diameter of the bore. If the seal is bigger, my guess is that someone mixed a wrong seal in its bag when stocking the shelves.

Good luck, by the way, it sure is nice not to have oil flying all over the exhaust anymore !

Marty
Marty

This thread was discussed between 25/05/2000 and 03/07/2000

Triumph TR6 index

This thread is from the archive. The Live Triumph TR6 BBS is active now.