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Re: [T3] Auto tranny TLC


On 25 Mar 2005 at 14:15, Daniel Baum wrote:

> Here is my engine as it looks right now:
> 
> http://www.type34.info/temp/After%20Gunk.jpg

It looks pretty nice. Do I even see some somewhat new foam padding on top of 
the oil cooler? That's good to have, but yours looks a bit thin. It needs to 
stick up a bit; it should be about 1cm thick so that it will seal to the tin 
above it and keep air from leaking over the top and escaping. I have good foam 
for this if you need it.

Since you're at this point anyway, and waiting for parts to arrive, you should 
get an M6 x 1 tap and tap the holes that mount the fan housing to the case as 
deep as possible. I'd even grind off the front of the tap to make a bottoming 
tap so you can tap all the way to the bottom of the hole. Then buy longer bolts 
so you can get as much purchase there as possible. If the bolts are a bit long, 
you can stack an extra washer or 2 under the bolt head, otherwise cut the bolts 
off to make them just the right length. Use Loctite when you install those 
bolts.

> As it's going to be a while before I have all the parts I need to put 
> everything back together, I was wondering whether it would be an idea to 
> give the tranny some TLC too - take of the pan (hopefully I won't find 
> broken bits of brake bans like Greg did), clean the filter, clean the 
> governor, replace gaskets, etc.

I would do this, and also replace the O-ring that you'll find under the 
governor cover. That frequently leaks. The same O-ring was used on later VWs, 
so you may be able to get one locally. If not, I can get them here. I sometimes 
reuse the gasket, but you want to have a new one on hand if the old one looks 
bad at all. I recommend that you buy a set of 13 special washers from me to go 
under the 13 AT pan bolt heads. They will spread the bolt force out and prevent 
distortion of the pan, which can lead to leaks. Cheap insurance and 
preventative maintenance.

I usually find that the governor and even the filter screen are already clean. 
With luck, you'll be similarly reassured.

> Is it safe to spray the whole of the outside of the tranny and diff with 
> Gunk Engine Brite?

No problem.

> Sorry for the million questions, but I've never done this before, and I find
> the tranny a bit daunting. 

Yes, I find the AT daunting, too.

-- 
Jim Adney
jadney@vwtype3.org
Madison, WI 53711-3054
USA

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