Morris Minor/MG Midget/AH Sprite Ribcase gearbox stripdown overhaul and rebuild (part 1 of 3)

A 3 part series to show the stripping, overhaul and rebuild of the 4 speed Ribcase gearbox fitted to the AH sprite, Morris Minor and MG midget. Doing this for the first time using garage tools i aim to show how you can overhaul your gearbox as well
1:49 Side cover removal
2:00 Front cover removal
2:45 Remove plungers
3:50 Remove rear case
4:24 Remove selector levers
6:07 Remove layshaft and reverse shaft
6:48 Remove gearset
7:25 Remove input shaft
8:09 Laygear end float check
9:17 Rear case disassembly
9:40 Remote housing disassembly

[pedrokd]

Have to do mine, jumping out of gear.😢

[misunderestimator]

Thanks for posting this. I’m gonna have a go at the rib case from my A40 farina note that the mysteries have been unlocked a little 🙂

[kellybreen]

Thanks for posting. I have the less loved 1500 Midget, but the concepts are the same. Right now I have no real problems with the car, but I drive it about 7 months per year, so problems will come in due course.

[nickb]

These type gearboxes originate from the Austin A30 from 1951 which was designed by Austin & used later in the Morris Minor (1952), A40 Farina (1958) & Austin Healey Sprite (1958) & M G Midget (1961)

[jptoro]

I am a about to rebuild my 1275 transmission. Would it be possible to share the link for the video in normal video camera speed? Want to make sure I do not miss a step. Your videos are excellent and encouraging. Thank you.

[DKMotors]

This will be great when we need to dig into our camaro transmission

[therochandima]

Thank you very much. I am from sri lanka

[ethan]

What literature did you use as reference for how to take it apart and the various tolerance specs etc?

[patrickfitzhorn]

Great videos - thanks. One issue I'm having. I cannot remove the c-clip off the input shaft bearing retainer. It sits in a machined groove and all of my attempts to open the clip only serve to snug it up along the outside lip of the groove, without any "daylight" between the clip and the retainer. Cannot get a tool in anywhere when the clip is open. How did you solve that problem?

[rowanhobbb]

What rebuild kit will did you purchase

[johanjanssen]

Would this rebuild the ribbed gearbox on Morris Minor 1098cc engine 1969

[මහින්දගුණතිලක]

I have Morris Minor 1000, it's second gear suddenly realized, how to fix this trouble