Last year I asked a question on here about the play in my diff on my spi engine. When the car was jacked up you could feel slack or play in the diff through the driveshaft and jacked up wheel.
The engine has been sat in the shed for 6 months since I fitted the 1380 into Mini no 1. Now mini no 2 is nearly finished I wanted to use it in that.
After gaining much more experience with engines and a mate having a diff pin smash out of the housing in his autotest car I decided to take the diff out and check it, and ordered a new diff pin in ready.
What I found is pretty scary.
Pretty worn!!
But as well as the diff pin the diff housing had been deeply scored by the planet wheels.
Luckily I have a spare gearbox sat in the shed, so I stripped the diff out and it was in pretty good condtion with minimal wear, so the diff was rebuilt with the spare housing and new pin and put back in the car.
The only problem so far is I forgot to change the oil seal "o" ring on the detent spring on the side cover and it leaked oil, once that was sorted all seems well.
Another reason to get an x pin diff for the 1380 a soon as possible.
