The major difference between SP iii and Dexron iii is the lubrication modifier. SP iii contains more lubrication qualities than Dexron iii. You can interchange the two but run a slight chance of premature wear using Dexron iii where SP iii is indicated.
If it is the gearbox, then you have to dismantle it and replace faulty parts, such as a gear fork. This could also be a clutch problem.
"Is it possible ot replace Land rover TD5 gearbox with another model landrover gearbox?"
5t7j gear box
scenic II gearbox oil
I would say the gearbox is on the way out as i had the same problem and i had to replace the gearbox. and as you have a Mk1 Fiat Punto gearboxes are plentyful and cheap. but decide this age of car value of car and millage. and ask your self is it realy worth it as 1996 P reg puntos are only worth ?4-500. and it will cost you ?150-200 to replace the gearbox. Shudder can be caused by a defective clutch assembly And or broken/weak engine or gearbox mountings
either rebuild or replace gearbox.
No
The synchro cones in the gearbox are worn. Either a strip and replace or a whole gearbox swap is the cure.
The mountings on the top will differ. It should fit the engine ok, but you will need to fabricate a new cradle to match the car's gearbox mounting position.
You have to remove the engine and gearbox. you will need a engine crane. Once you have the engine and box out, remove gearbox from engine and replace clutch, Refit gearbox to engine, put engine and gearbox back in car. Easy job if you have access to a engine crane.
You will, not only have to replace the transmission as well as the center console inside the car, but also the rear gear box (differential) because the automatic and manual have different gear ratios. You will also need to replace the ecu.
Take the gearbox out and flip it round twice