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Rust inside tube type axle.

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mr bridger Gold Member Christian Addicott
Chino hills, CA, USA   USA
Hello, servicing my tubed type axle I noticed rust on the inside of the axle.
A, any suggestion's to get rid if it (I don't have a wire brush long enough)
B, I have removed axle shafts, diff, but the Pinion will not come out, is it removed thru the back of the axel or forward?
C, Any special notes when rebuilding (have replaced thrust washers on sun and planetary gears.)
Many thanks in advance.

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rntanner Avatar
rntanner Silver Member Roger N. Tanner
Oxnard, CA, USA   USA
1970 MG MGB
1977 MG MGB
Your best choice for paint is "Rust-O-Leum" Damp-Proof Red (primer).

If you want the outside Painted, use "Rust-O-Leum" with semi-gloss black,

I have used those two choices on a "all-my-own" old cars.

Yes, I prepare the outer body with a good primer, and then let the paint shop apply the color and clear coat urethane, like a brand new car/



Roger N. Tanner
Professional Engineer, Retired



Edited 1 time(s). Last edit at 2017-03-20 07:30 PM by rntanner.

mr bridger Gold Member Christian Addicott
Chino hills, CA, USA   USA
Bump

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GlennMGB Avatar
GlennMGB Glenn G
Fort Worth, Texas, USA   USA
1967 MG MGB GT "Rose"
The pinion should come out the back if you have a good reason to remove it. Otherwise, leave it alone. If you just want to replace the pinion seal, you can do that without removing the pinion. When you replace the pinion nut after replacing the seal, tighten the nut to the exact position it was in before you removed it. There is a collapsible spacer on the pinion that should be renewed if you've lost the pinion nut position. If you've installed a new collapsible spacer, consult the workshop manual for instructions on setting the nut correctly.

mr bridger Gold Member Christian Addicott
Chino hills, CA, USA   USA
Hello many thanks for your help, yes l have all ready taken the nut off, the reason for removing the pinion is because of cleaning the rust out and spraying with cleaner and water, didn't want the pieces of rust to get lodged in the bearings.
Does the pinion need to be pressed out or can it be hammered out?

ClayJ Avatar
ClayJ Silver Member Clay Johnston
Mt. Olive, MS, USA   USA
1972 MG MGB
Christian,
Removing the crown assembly or the pinion will unnecessarily disturb the lash setup. These diffs are nearly bullet-proof, just clean what you can get to, replace the seals, replace the thrust-washers, reassemble and drive.

mr bridger Gold Member Christian Addicott
Chino hills, CA, USA   USA
Dam wish l spoke to you before, already removed the crown wheel as a component with the sun and planetary gears all bolted together, and listened the pinion but not taken out. Should l just put a new washer spacer and seal and bolt up?

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RAY 67 TOURER Avatar
RAY 67 TOURER Ray Marloff
Fort Bragg, CA, USA   USA
1967 MG MGB "My Girl"
As long as you didn't disturb anything critical, you should be OK. Actually, the pinion gear should fall right out with very little effort. RAY

mr bridger Gold Member Christian Addicott
Chino hills, CA, USA   USA
Cheers Ray.

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