105 gearbox rebuild Auckland - Alfa Romeo Bulletin Board & Forums
 
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post #1 of 9 (permalink) Old 08-28-2017, 08:23 PM Thread Starter
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105 gearbox rebuild Auckland

Hello,

Looking for someone to rebuild a 105 series gearbox with worn syncros in Auckland, I have the gearbox out of the vehicle and the parts to replace (Alfaholics parts).

The Italian Auto Centre and Continental Cars don't appear interested in taking to task on any suggestions...?

Cheers Richard.
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post #2 of 9 (permalink) Old 08-28-2017, 09:02 PM
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I have rebuild many Alfa gearboxes using a hydraulic press and a good a "C" clip tool to remove the synchronizer from the gear. I watched Donald Deane rebuild numerous gearboxes it was very easy. I always replaced synchros, sliders, front seal, rear seal and replaced every bearing. I know that many people say that replacing bearings is not needed, but I recently rebuild a tunnel case transmission that had a bad front layshaft bearing. I do not want to have a noisy gearbox due to old bearings. You will also need a good silicone sealer to seal the gearbox because Alfa gearboxes do not have any gaskets. I rebuilt three gearboxes at the same time and showed an owner how to rebuild his own gearbox. The main shaft should be assembled exactly the same with the shims in the correct order.

I recently rebuilt a gearbox with a totally destroyed second gear dog tooth, broken shift rod bolt and damaged shift mechanism.


I should make a video about rebuilding a gearbox, but you need to buy a ten ton hydraulic press with a wide carriage that will have enough clearance for the first gear.
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post #3 of 9 (permalink) Old 09-11-2017, 05:16 AM
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Vins s4 transmission rebuild for dummies .......... search this thread

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post #4 of 9 (permalink) Old 09-11-2017, 03:00 PM Thread Starter
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Thanks, I have it sorted now although its in far worse condition than I anticipated with missing dog teeth...
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post #5 of 9 (permalink) Old 09-11-2017, 04:37 PM
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The dog teeth can be purchased from Centerline Alfa.
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post #6 of 9 (permalink) Old 09-11-2017, 05:06 PM Thread Starter
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Hi Kuni, Yes purchased two last night and glad to find them also made in the US so should be quality. If I was anywhere but New Zealand it would be better value to purchase a reconditioned box but hey we can rebuild with quality parts.
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post #7 of 9 (permalink) Old 10-17-2017, 11:26 PM
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Hi, I can do it but i am in Ch-CH ?

if you travelling to New Zealand be sure to visit me at
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post #8 of 9 (permalink) Old 10-18-2017, 01:04 PM Thread Starter
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Thank you Jonevo, I have looked at your website many a time I purchased the parts from Classic, Alfaholics and Centreline and found an ex Alfa mechanic in Auckland that knew his stuff and rebuilt the box.
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post #9 of 9 (permalink) Old 10-18-2017, 06:07 PM Thread Starter
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Unable to respond to PM's about this at the moment due to low post count but this is who I used...


Ralf 021 02387700 is the very nice chap I had rebuild my Gearbox, ex Alfa trained as I understand and used to have his own shop working on the 105's, now works for Schofields and the Alfa's from his home double garage in Papakura in his own time, he has an extensive range of old Alfa tools.

I had my gearbox out and dropped it off with him, plus supplied all my own bits (extensive rebuild with new dog rings, syncros, sleeves, bearings etc...), Ralf charged $635 labour and I gave him $650 (completed the job in a couple of days). As Ralf had his own shop he only uses the Alfa branded sealants (pretty particular about this). Working out of his garage I am pretty sure he would struggle to work under a car so if you can get the box out yourself and supply the parts yourself the cost will be better for you especially if your just going for a couple of quality syncros.
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