Have a look at my post #1. The first image shows the only bearings I've ever found needing renewal with worn PG1 Gearboxes, mainly TorSen 620ti ones. For the Differential, SKF 6208 Size bearings are very good quality with steel cages and are better than the factory originals with nylon cages. They are used widely and manufactured in many thousands which means prices are not excessive. Same is true of the other two bearings but to a lesser extent. The other two bearings in that image fit either end of the input Shaft. The smaller one in the bell housing and the larger "UPRATE" one in the other casing. Both may need some persuasion to remove. Boiling water on the other side of their location can expand their location and they sometimes drop out easily once the heat has done it's trick. Sometimes two Boiling Kettles of water is needed to shift them.Hello, I have a rover 620ti and want to install a new bearing set, whole.
What should I change ¡now I'm at it and what should I not touch?
Is it recommendable to install a good set of roller bearings on the Torsen diff to get more robustness and longer life?
I have refurbished around a dozen PG1s over the years. Starting on MG Montego Turbo boxes, then a TomCat turbo and the rest those from 620ti cars in the family and friends.
Following passing the MoT recently, today I covered twenty plus miles on my low mileage 620ti which I bought eight years ago and has not been used for five years. Tucked away in my garage unused. It's a nice example and I plan to prepare it for sale soon. That first long trip after five years revealed TWO problems which will need my attention. After a short time the ABS light came on ...... and stayed on... :doh:.... It gets worse, my old ears are not as good as they once were but at certain speeds and in certain gears when accelerating a tad sharpish, distant rumblings ... almost certainly coming from the gearbox. Two jobs I could have done without but must be done. Plus, I'll put a new clutch in it when box is removed. ... two birds one stone scenario.
Other bearings in the PG1 are hard to come by and very expensive. So the fact that they rarely need renewal is a blessing.