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AlteWagen
Troll
Joined: February 23, 2007
Posts: 8503
Location: PNW
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Eric&Barb
Samba Member
Joined: September 19, 2004
Posts: 24764
Location: Olympia Wash Rinse & Repeat
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 Posted: Wed Jun 26, 2019 9:28 am Post subject: Re: leaky RGB with a twist |
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Hopefully the transaxle is not full of saw dust also....
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sanhozeezee
Samba Member
Joined: June 17, 2019
Posts: 171
Location: SF Bay Area
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| Posted: Wed Jun 26, 2019 9:01 am Post subject: Re: leaky RGB with a twist |
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ok so i managed to drain the tank below the filler pipe and the leak stopped. ordered a new tank from WW and will be installing it next weekend.
so... back to our regularly scheduled program  bus has been sitting since i cleaned it and after a short run i can finally see where it’s leaking from. just behind the gearbox and where it attaches to the spring plate seems to be the source (see pic). looks like the PO gobbed some JB weld on for a temp fix. WTF
Last edited by sanhozeezee on Thu Jun 27, 2019 8:35 am; edited 2 times in total |
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Who.Me? 
Samba Member
Joined: July 14, 2014
Posts: 2211
Location: UK (South)
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| Posted: Tue Jun 25, 2019 5:43 am Post subject: Re: leaky RGB with a twist |
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Looks like that red stuff is an effective paint stripper. Or was it just really cruddy before you cleaned it?
v
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Andy
Looking for info on my truck's history. Are you from Campbell California or nearby. Do you recognise it? ... http://www.thesamba.com/vw/forum/viewtopic.php?t=636786 |
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sanhozeezee
Samba Member
Joined: June 17, 2019
Posts: 171
Location: SF Bay Area
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| Posted: Mon Jun 24, 2019 9:55 pm Post subject: Re: leaky RGB with a twist |
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so after degreasing and cleaning up the RGB i went for a ride to get the oil circulating in hopes to trace the leak. had to get gas so i filled up my tank but when i got home WHAMMO, gas leak at the tank seams 
looks like i need to park this RGB fix and resolve the fuel tank issue...
started another post so i don’t hijack my own thread lol
https://www.thesamba.com/vw/forum/viewtopic.php?t=721121 |
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j.pickens
Samba Member
Joined: December 03, 2002
Posts: 9791
Location: Exit 7, New Jersey
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| Posted: Mon Jun 24, 2019 9:49 pm Post subject: Re: leaky RGB with a twist |
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Good move on the degreasing.
Can't wait to see the "after" photos.
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Eric&Barb
Samba Member
Joined: September 19, 2004
Posts: 24764
Location: Olympia Wash Rinse & Repeat
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| Posted: Mon Jun 24, 2019 7:16 pm Post subject: Re: leaky RGB with a twist |
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Do yourself a favor and get the proper metal brake line grommets and the rubber caps for the bleeder valves to keep water from getting right into the bleeder valves to cause them to rust up and then shear off when you try to bleed the brakes.
Also good to apply a little anti-seize to the threads on each bleeder valve to keep rust away for much longer.
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sanhozeezee
Samba Member
Joined: June 17, 2019
Posts: 171
Location: SF Bay Area
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| Posted: Mon Jun 24, 2019 6:32 pm Post subject: Re: leaky RGB with a twist |
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I'm leaning towards this.
If it was leaking from the bearing seal or backing plate you would see the fluid somewhere else other than the shock bolt.
It might even be a leak from the axle boot running down the axle tube |
i think you might be on to something so why i decided to do is degrease the areas i think it may be coming from and wipe down. going to take it for a spin again later and then park. hopefully it'll seep some more and i'll be able to see for sure.
btw here are the cleaned up pics
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crofty
Judas of the North
Joined: August 09, 2000
Posts: 19672
Location: Land of Whine and Phonies
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| Posted: Mon Jun 24, 2019 1:57 pm Post subject: Re: leaky RGB with a twist |
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| EverettB wrote: |
Is it leaking from one of the reduction box mounting bolts?
I think that means it's leaking from the freeze plug on the back of the late-model "big nut" reduction box so that might have to be pulled and re-sealed.
The seal kit is for the axle seal behind the brake drum.
Maybe someone else can chime in on whether it will leak from there if the freeze plug is leaking.
I would definitely plan on draining and replacing the transmission fluid but you might have a different leak on your hand than you think. |
I'm leaning towards this.
If it was leaking from the bearing seal or backing plate you would see the fluid somewhere else other than the shock bolt.
It might even be a leak from the axle boot running down the axle tube
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sanhozeezee
Samba Member
Joined: June 17, 2019
Posts: 171
Location: SF Bay Area
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| Posted: Mon Jun 24, 2019 1:09 pm Post subject: Re: leaky RGB with a twist |
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| thanks dave! i'll text you in a few... |
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turkis-deluxe
Samba Security
Joined: January 06, 2001
Posts: 1547
Location: 94518
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| Posted: Mon Jun 24, 2019 12:27 pm Post subject: Re: leaky RGB with a twist |
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Let me know if you need me to come check out the fluid and help identify the leak.
I should be around the next few days! 
Dave |
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LAGrunthaner
Samba Member
Joined: March 18, 2007
Posts: 5509
Location: 1st Coast
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| Posted: Mon Jun 24, 2019 2:53 am Post subject: Re: leaky RGB with a twist |
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I love that method MrPolak, very cleaver. I'm saving that image for the future.
| MrPolak wrote: |
Here is my method:
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b-man
Samba Member
Joined: May 20, 2008
Posts: 500
Location: So Cal
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| Posted: Sun Jun 23, 2019 6:11 pm Post subject: Re: leaky RGB with a twist |
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| chrisflstf wrote: |
| Thats a nice tool, but you cant tighten the nut with the wheel off and off the ground, unless you use another method like above to secure the drum. Still better to tighten it with 4 wheels on the ground and ebrake set wheels blocked |
Understood, the picture is merely to showcase one of the proper tools to do the job. I did the final tightening with all 4 wheels on the ground.
I had stored that particular transaxle for nearly 30 years, eventually using it to refresh my 1956 panel. Happily I found out that before removing that transaxle from my ‘66 single cab and storing it I had the foresight to loosen both axle nuts, also with all 4 wheels on the ground.
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chrisflstf
Samba Member
Joined: February 10, 2004
Posts: 3446
Location: San Diego
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| Posted: Sun Jun 23, 2019 5:44 pm Post subject: Re: leaky RGB with a twist |
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| Thats a nice tool, but you cant tighten the nut with the wheel off and off the ground, unless you use another method like above to secure the drum. Still better to tighten it with 4 wheels on the ground and ebrake set wheels blocked |
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b-man
Samba Member
Joined: May 20, 2008
Posts: 500
Location: So Cal
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| Posted: Sun Jun 23, 2019 5:40 pm Post subject: Re: leaky RGB with a twist |
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Snap-On 3/4” drive breaker bar and 46mm impact socket.
Had it for over 35 years now, it will never fail me.
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sanhozeezee
Samba Member
Joined: June 17, 2019
Posts: 171
Location: SF Bay Area
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| Posted: Sun Jun 23, 2019 5:35 pm Post subject: Re: leaky RGB with a twist |
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not 100% sure but appears to be leaking from the axle seal. i hope it's not the gear box seal itself!
i borrowed a 46mm axle nut from a friend so i plan on tackling this tomorrow or tuesday. |
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EverettB
Administrator
Joined: April 11, 2000
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MrPolak
Samba Member
Joined: June 20, 2004
Posts: 1337
Location: AG ,atnaltA
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| Posted: Sun Jun 23, 2019 3:40 pm Post subject: Re: leaky RGB with a twist |
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Here is my method:
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Eric&Barb
Samba Member
Joined: September 19, 2004
Posts: 24764
Location: Olympia Wash Rinse & Repeat
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| Posted: Sun Jun 23, 2019 10:03 am Post subject: Re: leaky RGB with a twist |
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Get a 3/4" drive socket and a breaker bar to fit that.
If you use 1/2" drive, you will break it all too often.
Check out your local Fastenal store for such. See if they have the Proto "L" shaped breaker bar. That is the strongest style of breaker bar.
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sanhozeezee
Samba Member
Joined: June 17, 2019
Posts: 171
Location: SF Bay Area
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| Posted: Sun Jun 23, 2019 9:34 am Post subject: Re: leaky RGB with a twist |
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thanks for the replies fellas. i tried i work on this yesterday only to be blocked by the infamous "big nut" 46mm axle nut. no one in the area sells a socket this big lol. i did manage to find a buddy who has one button't be able to get it til he gets back.
in the meantime, to answer some questions, the spring plate bolt isn't welded to the spring plate. i wired brushed it to get a better idea of what's under all the gunk. i think doing that may have disrupted the "gunk seal" and started the new red leak. the oil is coming from the RGB seal for sure. the bright side is the other side is bone dry! |
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