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Author:  Dean [ Mon Feb 18, 2019 9:22 am ]
Post subject:  Sleeve

What is a 9421790370 Sleeve? (Edit: they are the retaining ring for the rear axles to hold in the Main bearing.)

I'm having a bit of a clean up/out and found four (Edit: 5) of these deep in a box from PA's collection.

Don't want to loose/ chuck if its made of unobtainium. ;) (Edit: Yes they are for sale, at the right price)

Edit: 2x sold pending. 3x still available 19/02/2019.

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Author:  Barivlas [ Tue Aug 24, 2021 11:37 am ]
Post subject:  Re: Sleeve

Hi Dean,
I've nearly finished the process of rebuilding the diff on the GT, and thought about checking the rear wheel bearings. Just as well - there's a bit of wobble in the axle shaft, so the bearings definitely need replacement after about 350,000 km and over 50 years!!!!
Do you still have 2 of these sleeves in your collection? There is a good chance that the originals will get destroyed trying to remove them. Have tried 4x threaded rods and a gas torch but only managed to strip the threads. Need to find someone with a decent press and make up a collet to get the old sleeve off.

Another SMALL problem has also arisen - trying to get the flange off the second rear axle. It is firmly rusted on. Can't get the axle out without first removing this flange. Have had a bearing puller on it under max pressure with a 50cm spanner, WD40, heat and hammer/chisel but it still refuses to budge. Next trick is to try a mix of acid and acetone to penetrate and hopefully dissolve some rust on the splines.

Anybody got some good ideas/tricks to get this @#^$%&T flange off. I'm considering rigging up a small hydraulic house jack on it to get more pressure but also risk doing some damage to the flange or the threaded part of the axle.

Thanks, Barrie.

Author:  peterd [ Wed Aug 25, 2021 2:17 am ]
Post subject:  Re: Sleeve

I assume you are talking about the flange on the end of the axle that bolts to the diff. If all that fails I would suggest taking out the swing arm completely and you should be able to get a collar around the axle near the flange put it in the press and then press it out. It sounds like a big job to take the arm out but it is not that bad. You should not have to strip the swing arm down to do this.

Author:  Barivlas [ Wed Aug 25, 2021 10:24 am ]
Post subject:  Re: Sleeve

You're right Peter, it is this flange. Taking out the swing arm is the last resort I guess, not something I wanted to do yet. I will persevere with dripping the acid/acetone mix onto the end of the spline several times a day for a while and try the bearing puller again or the house levelling jack.
Will let you know what happens.
Cheers, Barrie.

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