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Mathew Zelezen Samba Member
Joined: November 04, 2004 Posts: 547 Location: Graeagle, CA
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Posted: Wed Aug 14, 2019 8:19 pm Post subject: Transmission Case Corrosion |
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Removed the fuel tank on an 87 Syncro and came across this..
What causes this kind of corrosion and is this case too far gone?
_________________ 87 Syncro Tintop
~Rocky J Motor
~Steedle Trans
Of all sad words of tongue or pen, the saddest are these: It might have been. |
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DanHoug Samba Member
Joined: December 05, 2016 Posts: 4800 Location: Bemidji, MN
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Posted: Thu Aug 15, 2019 5:21 am Post subject: Re: Transmission Case Corrosion |
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are you going to be tearing into it for rebuild? if so, i'd pressure wash it and see what's under the crud. if NOT tearing into it, i would use a stiff brass brush, engine cleaner, and only a garden hose with hot water so as to not force water into the trans.
then paint it with Rustoleum Gray oil based paint. don't bother with the Rustoleum aluminum primer, i used that on my corroded trans and it didn't stick as well as the plain Rustoleum. _________________ -dan
60% of what you find on the internet is wrong, including this post.
'87 Westy & '89 Westy both 2.1 4spd
Past projects can be found at--
www.thefixitworkshop.com |
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markswagen Samba Member
Joined: January 28, 2018 Posts: 1039 Location: san diego
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Posted: Thu Aug 15, 2019 6:22 am Post subject: Re: Transmission Case Corrosion |
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Has the transmission been out before, and stood outside for a whhile, that would do it. I took a syncro transmission for its second rebuild, different shop from the first, we found the inside of the transmission to be corroded like this, it looked fresh, the corrosion, and not like it had been sat in oil for many thousands of miles there was a whole lot wrong with that rebuild. _________________ markswagen {mobile mechanic} san diego area all early VW's cared for.
619 201 0310 |
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sjbartnik Samba Member
Joined: September 01, 2011 Posts: 5998 Location: Brooklyn
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Posted: Thu Aug 15, 2019 8:43 am Post subject: Re: Transmission Case Corrosion |
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Looks like good old fashioned road salt poisoning to me. _________________ 1965 Volkswagen 1500 Variant S
2000 Kawasaki W650 |
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Vanagon Nut Samba Member
Joined: February 08, 2008 Posts: 10379 Location: Sunshine Coast B.C.
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Posted: Thu Aug 15, 2019 9:34 am Post subject: Re: Transmission Case Corrosion |
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I don't know the syncro tranny very well but on my 2wd case, I built up some areas with JB Weld and washers, pieces of EMT tube.
A bunch of pics here:
https://photos.app.goo.gl/RSo30ARifF1BGVjA2
Neil. _________________ 1981 Westy DIY 15º ABA
1988 West DIY 50º ABA
VE7TBN |
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djkeev Samba Moderator
Joined: September 30, 2007 Posts: 32634 Location: Reading Pennsylvania
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Wildthings Samba Member
Joined: March 13, 2005 Posts: 50353
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Posted: Thu Aug 15, 2019 10:55 am Post subject: Re: Transmission Case Corrosion |
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Most 30 year old trannys driven in the salt belt were recycled into Kias decades ago.
Last edited by Wildthings on Thu Aug 15, 2019 5:52 pm; edited 1 time in total |
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Mathew Zelezen Samba Member
Joined: November 04, 2004 Posts: 547 Location: Graeagle, CA
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Posted: Thu Aug 15, 2019 1:29 pm Post subject: Re: Transmission Case Corrosion |
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Thanks all for taking a look!
OK, I just wanted to make sure there wasn't something other than environmental causing this corrosion that I needed to address before I put another one in there. _________________ 87 Syncro Tintop
~Rocky J Motor
~Steedle Trans
Of all sad words of tongue or pen, the saddest are these: It might have been. |
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mikemtnbike Samba Member
Joined: March 26, 2015 Posts: 2797 Location: North Carolina
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Posted: Thu Aug 15, 2019 1:30 pm Post subject: Re: Transmission Case Corrosion |
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Mathew Zelezen wrote: |
Thanks all for taking a look!
OK, I just wanted to make sure there wasn't something other than environmental causing this corrosion that I needed to address before I put another one in there. |
Are you getting another van together?
I'm pretty sure you're the guy whose van got supersmashed while parked by the driver who fell asleep at the wheel. _________________ 1991 Vanagon GL 2.1 AT Westfauxlia. "Frankie" Totaled https://www.thesamba.com/vw/forum/viewtopic.php?t=764510&highlight=carnage
1995 Eurovan Camper "Marzivan"
2020 GTI SE manual |
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Mathew Zelezen Samba Member
Joined: November 04, 2004 Posts: 547 Location: Graeagle, CA
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Posted: Thu Aug 15, 2019 1:54 pm Post subject: Re: Transmission Case Corrosion |
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Guilty as charged. _________________ 87 Syncro Tintop
~Rocky J Motor
~Steedle Trans
Of all sad words of tongue or pen, the saddest are these: It might have been. |
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alaskadan Samba Member
Joined: January 09, 2013 Posts: 1858 Location: anchor pt. alaska
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Posted: Thu Aug 15, 2019 8:21 pm Post subject: Re: Transmission Case Corrosion |
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When i pulled my trans (87 syncro) it was a little worse. I had to buy at least one new used case part, mighta been two. Common thought there is that its the insulation above it that gets loaded with grit and salt and stays in contact with the trans as mine was. Didnt replace it. There are threads on it. Now I can pressure wash through the wheel wells and get to some of it. |
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