Hey guy's

I want to know bought a O2M box last year for my 1.9 TDI only to wait untill the one in die car dies but my trust bearing gave way and took the g box out wanted to fit the 02M box the g box mount differs any suggestions good or bad swap.

I need to replace the main shaft bearings on the old g box.

Gear ratios going to be big difference?


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What is the gearbox codes on these two gearboxes?

If you can provide that, I can help with info on the gear ratios and speed or you can google the gearbox code to get the gear ratios for that code gearbox or get the info on this link found on the internet, https://www.zelek.com/diagram_Charts/diagramlist.htm.

Was the previous (now broken 1.9 TDI) gearbox 5 speed (02J gearbox, with one of these codes DQY, EBJ, EGR, GQQ or JCR)? That will explain why the gearbox mount differs.

PapaJo wrote:What is the gearbox codes on these two gearboxes?

If you can provide that, I can help with info on the gear ratios and speed or you can google the gearbox code to get the gear ratios for that code gearbox or get the info on this link found on the internet, https://www.zelek.com/diagram_Charts/diagramlist.htm.

Was the previous (now broken 1.9 TDI) gearbox 5 speed (02J gearbox, with one of these codes DQY, EBJ, EGR, GQQ or JCR)? That will explain why the gearbox mount differs.

Thank you will send you the codes this afternoon is i have striped the old box wanted to see of i could do the bearings my self but going to need to press them off and on again.

Thanks for the feedback.

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Jakkels85 wrote: ↑Mon Apr 19, 2021 9:58 am

PapaJo wrote:What is the gearbox codes on these two gearboxes?

If you can provide that, I can help with info on the gear ratios and speed or you can google the gearbox code to get the gear ratios for that code gearbox or get the info on this link found on the internet, https://www.zelek.com/diagram_Charts/diagramlist.htm.

Was the previous (now broken 1.9 TDI) gearbox 5 speed (02J gearbox, with one of these codes DQY, EBJ, EGR, GQQ or JCR)? That will explain why the gearbox mount differs.

Thank you will send you the codes this afternoon is i have striped the old box wanted to see of i could do the bearings my self but going to need to press them off and on again.

Thanks for the feedback.

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You need to clearance the bearing runout for the correct clearance or you will end up destroying the gearbox due to too tight bearing clearance.

02M301107D AZ91HP new
0A8 301107 EN-MCMgA19Zn1

Do you guys think i can switch the selector safts around? Have anyone tried it?

Sorry for the late reply guy as i had a hectic couple of days at work.


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Not so sure on just swap the selectors and hit send.

Pics of both boxes side by side.

Go onto YouTube search for helder puto performance and check out how to strip gearbox

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