Input Shaft Seal install

[richierich]

Not long put a new input shaft seal in my Type 1 trans - used one of the good, Black seals and has been in a couple months but I'm now I'm getting a bit of slip in 3rd. I put this that seal in because the last one had leaked so seems like it's happened again.

Going to pull the motor and put another one in so, anyone got any tips for extra sealing or is there anything specific to do in preparation that I may not have done previously?

Cheers
_________________
Blah.....

[jeffrey8164]

Not really. Just make sure all the surfaces are ultra clean and smooth. Put a little grease on the seal to help it go in without tearing.
Standard stuff.
_________________
Volkswagen!
Turning owners into mechanics since 1938.

“Let he that is without oil throw the first rod”
(Compression 8.7:1)

[jason]

Thought I remember something about if it keeps leaking something is worn out inside. Moving around too much. I could be wrong though.

[rugblaster]

You might check the needle bearing in the gland nut. It supports that end of the input shaft... Those seals typically last a very long time.
_________________
'69 Karmy, '69 Camper, Meyers clone, '65 drag bug, 10.78 @ 128 (sold it) '51 Dodge farm truck,
'09 MB E350 '18 MB E400, '65 Plymouth Valiant convertible and a '19 Ford F250 King Ranch (nicer, but dirty, farm truck)

VWoA factory trained line tech 75 till 90 or so
ASE Master Certification
VWoA Assoc. of Quality Technicians inductee (One of 25 in the five state southwest region)
La Confrerie des Chevaliers du Tastevin (San Angelo Chapter)
TCU ......GO FROGS!!!!!!

[andk5591]

You sure its not the flywheel seal? Just wrapping up a 74 Super that was leaking at the tranny/bellhousing. Bellhousing was soaked and was the throw out etc. I replaced the input shaft seal anyway since it looked pretty old, but the real culprit was the flywheel seal. Was able to reuse the throw out and pressure plate after cleaning them and the flywheel up, but the clutch disc went in the trash.
_________________
D-Dubya Manx clone - 63 Short pan,1914.
Rosie 65 bug - My mostly stock daily driver.
Woodie 69 VW woodie (Hot VWs 7/12).
"John's car" 64 VW woodie - The first ever
Maxine 61 Cal-look bug - Cindy's daily driver.
Max - 73 standard Beetle hearse project - For sale
66 bug project - Real patina & Suby conversion
There's more, but not keeping them...

[Zundfolge1432]

[andk5591]

[Zundfolge1432]

Again if you get right on it before it soaks in you can clean it. We did this all the time especially for people with not a lot of money. It becomes a judgement call but you are running a shop may not want to gamble on reuse. Same for brake shoes. I’m sure we get opinions to just replace regardless but I’m a guy that would reuse especially if it were my own ride. Some of the single moms and others pinching pennies we could help this way telling them up front we could save on repairs using reconditioned parts. I can see it both ways maybe there’s not a right answer.

[Bruce Amacker]

I've had zero success cleaning oil soaked discs in years past using a variety of methods. They are discarded and a new one installed, especially when they're so cheap.
_________________
'66 Deluxe Bus
'65 Standard Bus
Build threads:
'66- http://www.leakoil.net/forum/viewtopic.php?f=23&t=2888&sid=54d8dedfb3822f99c7f2ea430cb4e856
'65- http://leakoil.net/forum/viewtopic.php?f=23&t=4263

[Pruneman99]

< $20 for a new disk.. IDK, maybe since I'm starting to get older, or maybe it's the injury I've put into my body over the years, I'd not risk another engine pull to attempt to clean a disk that had oil on it.

Brakes with oil/grease? No way in hell I'd try to save. That's you're life.

[Cusser]

I'd NEVER use an oily disc no matter what it looked like after "cleaning".

Do you clean and re-use wet brake shoes too?
_________________
1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2014 Yukon, 2004 Frontier King Cab. All manual transmission except for the Yukon. http://www.thesamba.com/vw/forum/album_page.php?pic_id=335294 http://www.thesamba.com/vw/forum/album_page.php?pic_id=335297

[richierich]

Thanks for all the replies fellas.

Seal was new when the motor last went in - motors done about 800 miles since. And the motor had just been refreshed and a brand new top qual gland nut fitted. Definitely not the rear main oil seal on the motor as it is trans fluid. Clutch disc was a new Daikin too.

Theres something with the seal fitments me thinks.
_________________
Blah.....

[Cusser]

[richierich]

[Casting Timmy]

Check the shaft for a grove worn in it from past seals. There should also be a different metal piece behind the seal that is a tube with an internal thread pattern to help oil go back into the case. (Not really threads, but internal spiral grove)

Check the pilot bearing as said previously, the seals typically don't leak like that.

A trans will blow pressure out of other seals if it can't breath, check the nose cone vent for being free and clear.
_________________
T1 IRS Rebuild Book on Lulu.com
http://www.lulu.com/shop/tim-marshall/t1-irs-transaxle-book/paperback/product-24055997.html
As seen in Volks America Issue 14 Page 11 (Full page review)

[mcmscott]

[Casting Timmy]

Drats you're right. There's a couple 091's locally that had leaking fronts, one had that conversion piece for the late throw out bearing. The other one was to an adaptor motor conversion and the pilot bearing was gone.

I'm more used to the T1 boxes leaking with the flanges on IRS.

Do you think it's too much windage inside the box or a set up problem?
_________________
T1 IRS Rebuild Book on Lulu.com
http://www.lulu.com/shop/tim-marshall/t1-irs-transaxle-book/paperback/product-24055997.html
As seen in Volks America Issue 14 Page 11 (Full page review)

[chrisflstf]

Are the trans input shaft seals universal - 50 to 79?

Rancho Trans list 2 - 65 and earlier and 66 and later?

https://ranchotransaxles.com/shop