TE21 ZF Gearbox

For all TD 21, TE 21, TF 21 and TC108G cars
Posts: 69
Joined: Mon May 21, 2012 6:57 pm
Name: andrew wisdom

TE21 ZF Gearbox

Postby tf1695 » Sat Aug 31, 2019 9:47 pm

The ZF manual gearbox in my TE21 jumps out of gear when reverse is selected, it's manageable on the level with gentle use of the clutch/throttle but a problem on any gradient - I have to be careful how and where I park!

Has anyone else experienced this problem with the 5 speed 'box, assuming it is repairable are there any recommendations as to where can it be fixed?


Peter Martin
Posts: 165
Joined: Tue May 22, 2012 5:26 pm
Name: Peter Martin

Re: TE21 ZF Gearbox

Postby Peter Martin » Thu Sep 05, 2019 5:07 pm

It may be something simple, (If you are lucky)
The selector fork may not be pushing the gear into place as either the end of the gear lever and/or the slot in the selector rod are worn .Somewhere I have the dimensions for the end of the lever.RT may have the drawing.
Or maybe the spring that pushes the retaining ball into the selector rod is bust/tired, certainly worth a look. The parts book Plate J p95 gives details of the set up. RT used to stock the springs.

My TE has a similar problem with 2nd but it is only really an issue when things are stone cold and occasionally when very very hot.

good luck, Peter


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