Differential Repair/ Replacement
Discussion
Do you know what exactly has broken? What are the symptoms?
You could try Redline Components, they’re a wealth of knowledge on Sevens of all ages. I found Rimmer Bros very useful too, when I had a Seven with an Ital axle. They stock parts for various cars from the British Leyland era.
After a number of half shaft breakages, I fitted uprated shafts, hubs & bearings from a company called Rakeway. They were brilliant & I didn’t have any more problems after fitting them. I’m not sure if they still make the uprated parts though. A few people on the Caterham Facebook groups have said they’re not making them any more.
I have a crown wheel & pinion that I bought as a spare. I don’t need it any more, as I bought a dedion car a few years ago.
Edited to add, as a popular alternative people often fit a Ford Escort axle, the axle Caterham used before they switched to the Morris Ital axle. I believe chassis modifications are required to make it fit, however & the hubs have a different pcd, so you may have to change the front hubs too, in order to fit matching wheels.
You could try Redline Components, they’re a wealth of knowledge on Sevens of all ages. I found Rimmer Bros very useful too, when I had a Seven with an Ital axle. They stock parts for various cars from the British Leyland era.
After a number of half shaft breakages, I fitted uprated shafts, hubs & bearings from a company called Rakeway. They were brilliant & I didn’t have any more problems after fitting them. I’m not sure if they still make the uprated parts though. A few people on the Caterham Facebook groups have said they’re not making them any more.
I have a crown wheel & pinion that I bought as a spare. I don’t need it any more, as I bought a dedion car a few years ago.
Edited to add, as a popular alternative people often fit a Ford Escort axle, the axle Caterham used before they switched to the Morris Ital axle. I believe chassis modifications are required to make it fit, however & the hubs have a different pcd, so you may have to change the front hubs too, in order to fit matching wheels.
Edited by Blue 7 on Thursday 11th May 21:09
Thanks to you both,
I am interested in the parts you have going spare, if nothing else to have on hand.
I haven't been able to pull the rear end yet, creating space. When it went, I got a loud clang and could feel it through the seat as I nursed her the few blocks home. It's possible the left half shaft let go, everything is quiet when I manually spin the wheels and both turn nicely when I turn the right, the left seems a bit sloppy before engaging. On jack stands and running, quite a racket, right wheel spins, left just jerks around.
I am interested in the parts you have going spare, if nothing else to have on hand.
I haven't been able to pull the rear end yet, creating space. When it went, I got a loud clang and could feel it through the seat as I nursed her the few blocks home. It's possible the left half shaft let go, everything is quiet when I manually spin the wheels and both turn nicely when I turn the right, the left seems a bit sloppy before engaging. On jack stands and running, quite a racket, right wheel spins, left just jerks around.
The Marina axle has Triumph ancestry, going back to the Standard 10. It has many parts in common with the Herald/Spitfire range, and the diff and brakes from these will fit straight into the Marina casing.
As said, the Escort axle can be fitted to a long cockpit chassis if you are prepared to modify the bulkhead/tunnel area to clear the diff nose.
As said, the Escort axle can be fitted to a long cockpit chassis if you are prepared to modify the bulkhead/tunnel area to clear the diff nose.
Edited by Hawkshaw on Friday 7th July 19:05
Edited by Hawkshaw on Friday 7th July 19:10
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