Reverse biggering.
Chrysler 8 3/4 Axle bearing and Seal R&R...A How To
- Thread starter threewood
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Encswsm
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Smalltificated
1KoolBee
Well-Known Member
Thanks for the excellent write up. One thing I do is put duct tape around seal surface of axle to protect it. Don’t ask me how I know!
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Don't recall ever messing up an axle seal surface but have always been careful with axle removal etc.....
1KoolBee
Well-Known Member
I do, just a tiny nick. Even though I was careful. Had to tig that spot and turn it in a lathe. What a pain!
Diz TheFiddler
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Great howto with great pics. I would have needed that a few month earlier. ;)
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TIG welding the seal's contact area creates the real possibility of axle failure, due to taking the temper out of the shaft (reducing its local overall hardness), making the shaft prone to reduced torque capability (twist).....it was likely that the original seal surface was produced by centerless grinding after hardening.........just my opinion.....
BOB RENTON
1KoolBee
Well-Known Member
Not if heat is limited and the weld is very tiny.
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To the contrary.....localized heating, due to TIG welding, can cause internal stress point(s) which may lead to failure. What type of filler metal was used....was it compatible with the parent metal (percentage of carbon)....if cold rolled, was the area preheated b4 applying TIG. You would have been better off using a "speedy sleeve" for repairs to the damaged seal surface......just my opinion......
BOB RENTON
1969 Hemi RTs
Well-Known Member
I am working on y OE dana for my 69 Coronet R/T. can I buy new correct tapered flanges for adjusting the bearings? (OE style tapered bearings) or does anyone have any OE bearing flanges for sale?
Daves69
Well-Known Member
Housing ends?
Housing Ends & Parts Archives
Strange Engineering offers a large vareity of machined housing ends or tube ends. We make them in the USA from forged steel.
www.strangeengineering.net
1KoolBee
Well-Known Member
BCA A7RK and A7LK. Comes with bearing, races , lock ring, gaskets, outer seal, and retainer plates. RK comes with new adjuster plate and adjuster ring. Search for them on Fleabay. Note inner tube seal is smaller OD than on an 8-3/4 because of way thicker tubes on a Dana. Attached is parts list and notes I made from my 70 Dana/powerlok rebuild last summer:
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1969 Hemi RTs
Well-Known Member
I need bearing adjuster/ flange, for the passenger side, drivers' side is a solid flange. both if possible.
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1KoolBee
Well-Known Member
Post on fbbo WTB and /or troll fleabay. Dana plates same as 8-3/4, so in theory you could pirate from a junk yard 8-3/4, but you’d have to pull whole axle and cut the bearings off to get to the plates. Or just buy A7-RK and A7-LK, they come with new plates and the adjuster. You’ll need new bearings and seals anyway since you have to destroy your bearings to remove your plates. Read my post above!
1969 Hemi RTs
Well-Known Member
I have a bearing/seal kit. noticed the adjuster was stuck before I started the project. wanted to have all the parts I may need before going forward. I will keep looking.
thank you for the reply.
thank you for the reply.
1KoolBee
Well-Known Member
Can you unstick it? Here’s the A7-RK on fleabay:
He offered it to me for $76.50, if you inquire make sure is has all the parts:
Adjuster
Bearing cup/cone
Lock ring
Outer seal
Steel and foam gaskets.
Inner seal would be for an 8-3/4,which won’t help you, so you have to buy that separate. See chart above
I’ll look around my garage and see if I have a decent used one.
He offered it to me for $76.50, if you inquire make sure is has all the parts:
Adjuster
Bearing cup/cone
Lock ring
Outer seal
Steel and foam gaskets.
Inner seal would be for an 8-3/4,which won’t help you, so you have to buy that separate. See chart above
I’ll look around my garage and see if I have a decent used one.
1969 Hemi RTs
Well-Known Member
Thanks to all the help here. I was able to get it apparat and have my rebuild kit. also found the repo I had used in the past on an 8-3/4. was years ago. had trouble with this as well, was years ago now. I found and replaced on that 8-3/4 an OE pair. and it worked great.
1969 Hemi RTs
Well-Known Member
1koolBee, I will buy the flanges if you find them. I have another 8-3/4 'm restoring as well.
Highway6
Active Member
Hi there from the Netherlands. I stumbled on your (great) topic online. I pulled the axles this week, and a spacer button came along. The other one is lost, probably in the housing. So maybe, using your magnet method, I will not need to pull the diff out to retrieve to spacer button?! That would be amazing. I want to ask you, how did you install these spacer buttons back, with the diff still in the housing? Glued to axles, or a long stick/magnet device?
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