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Gear selector shaft leak


RobArosa
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Hi all, new member here.

My daughter's Arosa has the pretty common oil leak from the gear selector shaft so I thought I'd replace the seal. 

Is it an easy job? I'll drain the gearbox and replace obviously but how easy is it to remove the seal? And do I remove it around the shaft?

Thanks guys and girls

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It is not easy to remove the oil seal. for this you need one or two thin screwdrivers (about 2mm in diameter), very sharp and hard (the oil seal has a metal ring under the plastic cover, a ring that must be perforated to hang and remove the oil seal).

Basic rules:

- Must not scratch the shaft (wrap thin layer of insulation tape around shaft). If this happens it will leak permanently.

- Fill space between sealing lip and dust lip with grease

- Do not touch the screw B. if necessary mark its position, otherwise you will need adjusting selector mechanism

888316367_5-1-20208-56-55AM.thumb.jpg.3481becdf0663bf0c0b2ae954ef8c40e.jpg

147799577_5-1-20208-59-53AM.thumb.jpg.350b9e43db17c96a931265e86f8dc249.jpg

Selector finger

1884986143_selectorfinger.thumb.jpg.39e54ade3ffcc4b2fe194b099ec1d8e5.jpg

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Yeah, when you remove/loosen that "remove this" bolt, you can end up with a burr on the end of the selector shaft. Run your fingers around the end of the selector shaft and see of you detect any sharp bits. You need to file them off else as soon as you slide on the new seal, you'll cut the lip and the new seal will leak (happened to me...).

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I only used OEM G50 (this is written in  manual) and I haven't had any problems with the box so far. Now the mileage is about 400k km (so about 250k miles) and I did the first oil change at about 200k km. I've changed it two or three times until now, I don't remember exactly.

1234237027_OILGEARBOX..JPG.6d9cc34b7c36f42161597e800e3c4bbe.JPG

In general, the gearboxes on the Lupo/Arosa wich are type 085 were filled with G50 except for the gearboxes that equipped the 1.4 74kw engines that require G51.

Now VW recommend another type G052178A2 but I didn't trust him. Here is a discussion about this problem.

If you'll decide to use an aftermarket oil, be sure to use a GL4 or GL4 +, in no case GL5.

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1 hour ago, lupo 1.7sdi said:

I only used OEM G50 (this is written in  manual) and I haven't had any problems with the box so far. Now the mileage is about 400k km (so about 250k miles) and I did the first oil change at about 200k km. I've changed it two or three times until now, I don't remember exactly.

1234237027_OILGEARBOX..JPG.6d9cc34b7c36f42161597e800e3c4bbe.JPG

In general, the gearboxes on the Lupo/Arosa wich are type 085 were filled with G50 except for the gearboxes that equipped the 1.4 74kw engines that require G51.

Now VW recommend another type G052178A2 but I didn't trust him. Here is a discussion about this problem.

If you'll decide to use an aftermarket oil, be sure to use a GL4 or GL4 +, in no case GL5.

That's great advice. Thanks 👍

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On 5/1/2020 at 7:24 AM, lupo 1.7sdi said:

It is not easy to remove the oil seal. for this you need one or two thin screwdrivers (about 2mm in diameter), very sharp and hard (the oil seal has a metal ring under the plastic cover, a ring that must be perforated to hang and remove the oil seal).

Basic rules:

- Must not scratch the shaft (wrap thin layer of insulation tape around shaft). If this happens it will leak permanently.

- Fill space between sealing lip and dust lip with grease

- Do not touch the screw B. if necessary mark its position, otherwise you will need adjusting selector mechanism

888316367_5-1-20208-56-55AM.thumb.jpg.3481becdf0663bf0c0b2ae954ef8c40e.jpg

147799577_5-1-20208-59-53AM.thumb.jpg.350b9e43db17c96a931265e86f8dc249.jpg

Selector finger

1884986143_selectorfinger.thumb.jpg.39e54ade3ffcc4b2fe194b099ec1d8e5.jpg

Well I replaced the seal today and so far so good. Apart from being a bit of a faff to get the old one out it went pretty well. Shaft looked ok too so I greased the new seal up and knocked it in square with a socket. I'll see how it goes when it's warmed up as that's when it seems to drop the most oil but for now I'm happy. 

Thanks everyone for your help so far

  • Thanks 2
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