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djkeev
Samba Moderator
Joined: September 30, 2007
Posts: 32647
Location: Reading Pennsylvania
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 Posted: Mon Mar 25, 2024 4:56 pm Post subject: Automatic trans weep hole.... temporarily block it? |
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OK...... odd question.......
I just rebuilt my 90 Automatic transmission.
It works great!
But it leaks gear oil out of the back to back seal weep hole.
I was hoping that I overfilled it so I parked level and pulled the fill plug today.....
No oil came out.
I stuck in my finger and had to bend the finger digit to even touch gear oil.
This is less than 400 miles.
Why is the new seal leaking?
Got me...... 🤷♂️
But it is pissing me off!
The proper fix it to order up some new seals, new gaskets and a new big ORing and fix it right. (Which I will do)
But......
I don't want to do that right now.
I know that the differential vents are not blocked...... I checked them for blockage when the assembly was on the bench.
Would the powers of Hell descend upon me and torment me if I tapped and plugged that weep hole to keep in the oil?
What say you?
What horrors would befall me if I plugged that hole and allowed gear oil to fill that cavity?
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http://www.thesamba.com/vw/forum/viewtopic.php?t=392473
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Last edited by djkeev on Fri Mar 29, 2024 1:51 pm; edited 1 time in total |
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skills@eurocarsplus
Samba Peckerhead
Joined: January 01, 2007
Posts: 16892
Location: sticksville, ct.
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| Posted: Mon Mar 25, 2024 6:15 pm Post subject: Re: Automatic trans weep hole.... block it? |
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do NOT plug that hole
it's doing exactly what it's designed to do, alert you there is a problem. blocking it off is just going to cause more issues.
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| gprudenciop wrote: |
my reason for switching to subaru is my german car was turning chinese so i said fuck it and went japanese....... |
| Jake Raby wrote: |
| Thanks for the correction. I used to be a nice guy, then I ruined it by exposing myself to the public. |
| Brian wrote: |
| Also the fact that people are agreeing with Skills, it's a turn of events for samba history |
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do.dah
Samba Member
Joined: August 27, 2015
Posts: 447
Location: Washington
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| Posted: Tue Mar 26, 2024 2:07 am Post subject: Re: Automatic trans weep hole.... block it? |
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| djkeev wrote: |
OK...... odd question.......
I just rebuilt my 90 Automatic transmission.
It works great!
But it leaks gear oil out of the back to back seal weep hole.
I was hoping that I overfilled it so I parked level and pulled the fill plug today.....
No oil came out.
I stuck in my finger and had to bend the finger digit to even touch gear oil.
This is less than 400 miles.
Why is the new seal leaking?
Got me...... 🤷♂️
But it is pissing me off!
The proper fix it to order up some new seals, new gaskets and a new big ORing and fix it right. (Which I will do)
But......
I don't want to do that right now.
I know that the differential vents are not blocked...... I checked them for blockage when the assembly was on the bench.
Would the powers of Hell descend upon me and torment me if I tapped and plugged that weep hole to keep in the oil?
What say you?
What horrors would befall me if I plugged that hole and allowed gear oil to fill that cavity? |
What would TK say? |
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djkeev
Samba Moderator
Joined: September 30, 2007
Posts: 32647
Location: Reading Pennsylvania
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Abscate
Samba Member
Joined: October 05, 2014
Posts: 22677
Location: NYC/Upstate/ROW
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| Posted: Tue Mar 26, 2024 4:16 am Post subject: Re: Automatic trans weep hole.... block it? |
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Put a pan under it and keep the function of alerting you to a more serious leak occurring.
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MarkWard
Samba Member
Joined: February 09, 2005
Posts: 17158
Location: Retired South Florida
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| Posted: Tue Mar 26, 2024 4:25 am Post subject: Re: Automatic trans weep hole.... block it? |
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That sucks. I know you’re disappointed. You also come across as a bit of a perfectionist. I doubt you will enjoy driving the van knowing something isn’t correct. I’d say drive it as is for the moment. Ensure the rest of the build is proper. Then plan to address the leak.
Here are my thoughts. It’s actually 2 seals that face back to back. It is not easy to get the cover back on without catching the inner lip. VW had a tool, I would use old microfiche. There is also a large O ring. The pinion shaft seal surface may also not be ideal.
Did you follow the procedure for shimming the two sections? Worse news would be the pinion shaft is moving around. Did you do new bearings and check the turning torque and backlash?
I hate having to redo work while I’m doing it. But you’ll soon forget that you had to go through this fire drill once it’s right.
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djkeev
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MarkWard
Samba Member
Joined: February 09, 2005
Posts: 17158
Location: Retired South Florida
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| Posted: Tue Mar 26, 2024 7:04 am Post subject: Re: Automatic trans weep hole.... block it? |
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You could also use 35mm film negatives to aid installing the new seals. Some of us older members likely have lots of negatives from the old days. I’d probably put a dial indicator on the pinion shaft to ensure there is no side play. Good luck.
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zerotofifty
Samba Member
Joined: December 27, 2003
Posts: 1575
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| Posted: Tue Mar 26, 2024 11:07 am Post subject: Re: Automatic trans weep hole.... block it? |
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That plan of blocking a weep hole does not even qualify as a band aid fix. Where will the fluid go next is the question? If blocking a weep hole stops a leak, then why was a seal needed? The factory could have saved on not install a seal, and not drilling a weep hole!!!! I think you will simply be wasting your time doing this.
BUT......Keep in mind that a bad seal, may go from a drip to a gusher with no warning, and if you are driving when this happens, well you may destroy your transmission in a matter of minutes. The lip on that seal maybe tearing more everytime the shaft turns. It may get worse as things heat up, it maybe twisted and be thinning as the shaft turns, until it suddenly rips out, and then gusher time!!! You NEED that seal. A blocked weep hole will NOT save you. 400 miles and already perhaps an inch and half low? Id not travel more than moving it around the driveway to get into repair position.
Do you feel lucky, well do you Dave?
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djkeev
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Posts: 32647
Location: Reading Pennsylvania
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djkeev
Samba Moderator
Joined: September 30, 2007
Posts: 32647
Location: Reading Pennsylvania
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djkeev
Samba Moderator
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zerotofifty
Samba Member
Joined: December 27, 2003
Posts: 1575
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| Posted: Tue Mar 26, 2024 5:46 pm Post subject: Re: Automatic trans weep hole.... block it? |
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I can no longer respect you!!!!! 
(just kidding, good luck, and if it works out, you is a better man than me) 
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MarkWard
Samba Member
Joined: February 09, 2005
Posts: 17158
Location: Retired South Florida
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| Posted: Wed Mar 27, 2024 11:29 am Post subject: Re: Automatic trans weep hole.... block it? |
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Instead of a bolt, how about a hose barb with a return to the pan?
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Abscate
Samba Member
Joined: October 05, 2014
Posts: 22677
Location: NYC/Upstate/ROW
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| Posted: Wed Mar 27, 2024 12:02 pm Post subject: Re: Automatic trans weep hole.... block it? |
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| MarkWard wrote: |
| Instead of a bolt, how about a hose barb with a return to the pan? |
...anda 12 Volt pump to push it back into the fill plug..
This a analogous to using sandpaper to remove those bilsters from the member you caught in the cat house, when a shot of penicillin is in order.
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brickster
Samba Member
Joined: January 05, 2004
Posts: 512
Location: CO, USA
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| Posted: Wed Mar 27, 2024 12:28 pm Post subject: Re: Automatic trans weep hole.... block it? |
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Don't forget to add some filtration and a magnet!
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djkeev
Samba Moderator
Joined: September 30, 2007
Posts: 32647
Location: Reading Pennsylvania
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zerotofifty
Samba Member
Joined: December 27, 2003
Posts: 1575
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| Posted: Wed Mar 27, 2024 2:04 pm Post subject: Re: Automatic trans weep hole.... block it? |
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That is a tiny frying pan, and very small onions and toast, or is that a huge bolt and barb unions?
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skills@eurocarsplus
Samba Peckerhead
Joined: January 01, 2007
Posts: 16892
Location: sticksville, ct.
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| Posted: Wed Mar 27, 2024 2:19 pm Post subject: Re: Automatic trans weep hole.... block it? |
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I'm going to have a stroke......
_________________
| gprudenciop wrote: |
my reason for switching to subaru is my german car was turning chinese so i said fuck it and went japanese....... |
| Jake Raby wrote: |
| Thanks for the correction. I used to be a nice guy, then I ruined it by exposing myself to the public. |
| Brian wrote: |
| Also the fact that people are agreeing with Skills, it's a turn of events for samba history |
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djkeev
Samba Moderator
Joined: September 30, 2007
Posts: 32647
Location: Reading Pennsylvania
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