Trans leak ideas?

[auron05]

Have a 86 944 with an auto tranny. I know something is leaking but not sure what.

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[djantlive]

well, depends on where is the leak isn't it? did you get a chance to locate the leak or just took it apart?

usually a seal somewhere. maybe the housing, rms, atf pan?

[auron05]

While it was in the car, I couldn't really tell were it was coming from because all of the gunk on the tranny. I think the pan was leaking but would that cause all the gunk in the housing?

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[flashx]

Probably the seal in the middle of the picture that seals when the torque convertor is insatlled

[jeffrsmith]

You need a new torque converter seal -

http://www.carpartsdiscount.com/auto/parts/86/porsche/944/torque_converters/torque_convertor_seal.html?3593=54231

You may also want to look at your torque converter, if the seal in the trans has gone bad you may have a groove worn into the mating surface on the converter. If you do I don't know if you can buy a sleeve to repair the groove or if you would need a new converter.

[auron05]

Guess this would count for scoring on the torque converter.

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[jeffrsmith]

When looking on the internet earlier today I came across a place that sells refurbished torque converters for ~$100.

Quick search revealed - torque converter repair sleeve for $20-$30

Porsche 944 Auto Trans Torque Converter Repair Sleeve - 1983 - 1991 1990 1989 1988 1987 1986 1985 - TheAutoPartsShop

[auron05]

Thank you. You know where I can find instructions on how to do the job? I have not done something like this before.

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[jeffrsmith]

Usually the sleeves come with instructions, typically there are special tools used to install these (what I purchased in the past were appropriately sized (machined) pieces of delrin to drive them on). Basically you need to drive the sleeve onto the nose of the torque converter, you will need either a tool, a piece of PVC, or a socket of the appropriate size to drive it on. I have never done a sleeve on torque converter, but I have sleeved cranks and cams on a few Chrysler products that I owned in the past - for me the sleeves worked well - stopped the leaks.

[jeffrsmith]

According to the Rock Auto web site, when you purchase the National Brand Redi-Sleeve they come with the installation tool.


Here's a link to the installation instructions
http://vsm.skf.com/~/media/Files/enUS/Automotive/TechTips/TT08_021.ashx

[auron05]

Sweet. Thank you for all the help. I'm going to give a try and see how it works.

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[djnolan]

Accordingly there is a seal between the differential and the trans. If it goes bad it will cause gear oil to get in the auto trans fluid and will ruin the transmission. May not be what you have here but is something to look out for.

[auron05]

OK that I will. How much trouble would it be just to do a rebuild kit on it, taking it apart and replacing seals and bearings if necasary . Would I require certain tools? And best place to look for a kit.

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[jeffrsmith]

If you look in the FSM it tells you you will need a lot of special tools to complete a rebuild on your own. From the looks of your leak I would say if you replace the torque converter seal and install a speedi sleeve you probably will be ok. You can spend a lot of money if you get caught up in the "while you're in there" syndrome.