• Hey Guest!
    British Car Forum has been supporting enthusiasts for over 25 years by providing a great place to share our love for British cars. You can support our efforts by upgrading your membership for less than the dues of most car clubs. There are some perks with a member upgrade!
    **Upgrade Now**
    (PS: Upgraded members don't see this banner, nor will you see the Google ads that appear on the site.)
Tips
Tips

TR2/3/3A Been a while Diff question?

Share this page

Tr3aguy

Tr3aguy

Jedi Knight
Country flag
Offline
So if you know me it has been a while since I have been here. I am making a effort to get back on track. I have started by finding a shop that is reasonable to blast and powder coat the frame. I am going to go that route as soon as I get the set a side money.
Don’t let that stop me from working on something else. I have started pulling everything off of the rear end, since it is already off of the frame.
the brakes were somewhat welded to the drums but I did get them off. What is the minimum thickness for turning and reusing?
i started cleaning off all of the gunk and trash that was stuck to the diff. When I got down to the paint it had a green blob paint of the cover. what was that for?
i am not sure how to make sure the seals are good?

any suggestions?

regatds,
JP
 
PeterK said:
I think the green paint means 3.7:1 ratio, from the factory.
Click to expand...

Like Peter said...Hey JP!! Glad you're back at work!

The fact you have a lot of crud on the diff is a good indicator that the seals need replacing.

I never found a clear spec on the drums...hopefully someone like Randall knows the measurement. In place of anything in writing or cast on the drum, I figure they are safe until the bevel on the inner edge is gone.
 
93E61D4A-FC1C-4BF8-B61B-E501C384770D.jpg
 
Sorry, I don't have a spec for the drums either.

I'm not a big fan of turning drums anyway; my attitude is that if they are OK, it's a waste to machine away good metal and if they're not OK, they should be replaced. Minor scoring won't hurt anything (except perhaps to shorten brake shoe life a bit); major scoring is cause to replace.

On the seals, I would go ahead and replace all 3 oil seals (pinion and each axle tube) but leave the grease seals in the hubs alone.
 
Back
Top