trerynn Posted August 10, 2015 Report Share Posted August 10, 2015 Is it possible to remove the overdrive from the gear box while installed in the car. Assuming that the gasket seal can be broken, or must the gear box come out as well Quote Link to post Share on other sites
Motorsport Mickey Posted August 10, 2015 Report Share Posted August 10, 2015 I've heard it can be done, obviously the overdrive unit needs lifting to clear the transmission tunnel allowing for a rearwards extraction, as for getting it back onto the rear of the box when replacing that might be a challenge ! Mick Richards Quote Link to post Share on other sites
Guest ntc Posted August 10, 2015 Report Share Posted August 10, 2015 Bottom line No,not worth the hassle. Quote Link to post Share on other sites
Fireman049 Posted August 10, 2015 Report Share Posted August 10, 2015 I agree with Neil. Tom. Quote Link to post Share on other sites
RogerH Posted August 10, 2015 Report Share Posted August 10, 2015 (edited) I agree with Tom, who agrees with Neil and essential agrees with Mick. The problem is refitting the OD. There are a variety of springs that need aligning and the vertical plane is the one to do it in. Roger oops - didn't think other than 'A' type. But surely it must be easier even taking the gearbox and engine out. Edited August 10, 2015 by RogerH Quote Link to post Share on other sites
TriumphV8 Posted August 10, 2015 Report Share Posted August 10, 2015 GT was the one who explained how to do that. First it must be the J-Type. Second the J-Type tends to lock the main shaft against pushing it out. There a special procedure should be done to loosen the main shaft in the OD unit. The tunnel has to be removed and a lot inside the car. Than the gearbox has to be lifted as much as possible. The front of the gearbox hits the upper area of the firewall. After loosing the nuts it must be splitted a bit, turned by 180 degrees and fully taken away towards the fuel tank. As the oil comes out and smells awfull I would prefer to remove gearbox + overdrive completely. Another advantage is that I test the OD with a driller in front of the gearbox if oil pump is working and pressure is built up after repair. Quote Link to post Share on other sites
graeme Posted August 10, 2015 Report Share Posted August 10, 2015 I agree with Tom, who agrees with Neil and essential agrees with Mick. The problem is refitting the OD. There are a variety of springs that need aligning and the vertical plane is the one to do it in. Roger I would agree with above, assuming a 'A' type O/D. If it is a 'J' type then it can be done in car. Cheers Graeme Quote Link to post Share on other sites
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