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shagginwagon83
Samba Member
Joined: February 07, 2016
Posts: 3804
Location: VA/TN
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 Posted: Mon Aug 14, 2017 8:43 pm Post subject: Help finding ultra rare 83.5 coolant cap |
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Hey guys. I have concerns about coolant flow from overflow to expansion tank (reverse). I checked my hose between the tanks and it seemed good. Anyhow I think it might be my cap. Where do I find this? I checked van Cafe and gowesty. Is this the cap for a 82 diesel?
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Brandon
"Jo Ann" - '83.5 Westfalia EJ22e w/Peloquin
Instagram @joannthevan |
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djkeev
Samba Moderator
Joined: September 30, 2007
Posts: 32638
Location: Reading Pennsylvania
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Wildthings
Samba Member
Joined: March 13, 2005
Posts: 50353
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| Posted: Mon Aug 14, 2017 11:43 pm Post subject: Re: Help finding ultra rare 83.5 coolant cap |
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| Now might be a good time to upgrade to a metal pressure tank. Getting rid of the plastic tank is a major improvement IMO. I have had two plastic tanks split over the years and one deform from heat and pressure. Have also had the stock low water level sender crack and fall apart. |
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crazyvwvanman
Samba Member
Joined: January 28, 2008
Posts: 9940
Location: Orbiting San Diego
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| Posted: Mon Aug 14, 2017 11:55 pm Post subject: Re: Help finding ultra rare 83.5 coolant cap |
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The VW van part has been NLA for a long time, but the cap from other old VW/Audis works fine.
321 121 321C
Those are pretty much NLA now too. I used to get them from VanCafe.
However Ken at Vanagain.com lists the cap.
https://www.vanagain.com/shop/pressure-cap/
Mark |
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shagginwagon83
Samba Member
Joined: February 07, 2016
Posts: 3804
Location: VA/TN
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| Posted: Tue Aug 15, 2017 5:28 am Post subject: Re: Help finding ultra rare 83.5 coolant cap |
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Thank you so much Mark! Just submitted an order! And wow - only $2 for USPS first class shipping. I usually feel robbed on shipping prices from van part vendors
| Wildthings wrote: |
| Now might be a good time to upgrade to a metal pressure tank. Getting rid of the plastic tank is a major improvement IMO. I have had two plastic tanks split over the years and one deform from heat and pressure. Have also had the stock low water level sender crack and fall apart. |
Ahh I saw those expensive boxes! I am on a college budget right now and that upgrade will have to wait. Thanks for the recommendation though! Hopefully I can get another year or two out of mine...Or until I can drop a Subaru engine in it 
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Brandon
"Jo Ann" - '83.5 Westfalia EJ22e w/Peloquin
Instagram @joannthevan |
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Mike Robinson
Samba Member
Joined: June 18, 2010
Posts: 386
Location: Nanaimo BC Canada
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| Posted: Tue Aug 15, 2017 6:53 am Post subject: Re: Help finding ultra rare 83.5 coolant cap |
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There is a Mercedes part that is a substitute.
I will dig it out today for you, you can have my old cap (Mercedes) but it isn't worth the postage.
Swapping the old tank for a later one is not to difficult to do. There is a bracket available somewhere. Greaseworks.com used to sell it.
Mike |
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Gnarlodious 
Samba Member
Joined: September 28, 2013
Posts: 2323
Location: Adobe Jungle USA
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| Posted: Tue Aug 15, 2017 11:28 am Post subject: Re: Help finding ultra rare 83.5 coolant cap |
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Same twist-on pressure cap used on old cars up until the late '70s, get it at any parts store.
BTW if you post about diesel you should put ‘diesel’ in the subject.
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Vanagon ’83 diesel AAZ w/Giles injection, 5spd 4.57R&P+TBD and a '78 diesel Rabbit |
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Wildthings
Samba Member
Joined: March 13, 2005
Posts: 50353
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| Posted: Tue Aug 15, 2017 12:10 pm Post subject: Re: Help finding ultra rare 83.5 coolant cap |
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| Gnarlodious wrote: |
| Same twist-on pressure cap used on old cars up until the late '70s, get it at any parts store. |
If an old style cap is actually a perfect fit he could get a 7 psi cap and lessen the chance the pressure is going to blow up the tank or any of the aging hoses. |
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shagginwagon83
Samba Member
Joined: February 07, 2016
Posts: 3804
Location: VA/TN
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| Posted: Tue Aug 15, 2017 12:33 pm Post subject: Re: Help finding ultra rare 83.5 coolant cap |
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| Gnarlodious wrote: |
Same twist-on pressure cap used on old cars up until the late '70s, get it at any parts store.
BTW if you post about diesel you should put ‘diesel’ in the subject. |
I don't have a diesel. I didn't realize that this was a diesel cap until research.
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Brandon
"Jo Ann" - '83.5 Westfalia EJ22e w/Peloquin
Instagram @joannthevan |
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the joker
Samba Member
Joined: October 12, 2006
Posts: 1287
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| Posted: Tue Aug 15, 2017 1:50 pm Post subject: Re: Help finding ultra rare 83.5 coolant cap |
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wildthing --- please direct me to the best metal replacement  is it rocky mt west  |
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djkeev
Samba Moderator
Joined: September 30, 2007
Posts: 32638
Location: Reading Pennsylvania
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Wildthings
Samba Member
Joined: March 13, 2005
Posts: 50353
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| Posted: Tue Aug 15, 2017 3:48 pm Post subject: Re: Help finding ultra rare 83.5 coolant cap |
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I think they can be had from GoWesty, Van-Cafe, and others as well. |
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pomfritz
Samba Member
Joined: December 18, 2014
Posts: 477
Location: Folsom, CA
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| Posted: Wed Aug 16, 2017 7:08 am Post subject: Re: Help finding ultra rare 83.5 coolant cap |
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There are two styles of the aluminum tank, as the mounting of them are different. The diesel and early 83.5 WC models are the same, while later WC years are of a different style. Found this out with my early 83.5 when I went to swap it out. I had to locate a later type mounting bracket. The both fit onto the heat shield mounting points the same.
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83.5 233K. GW 2.3, SS exhaust, My German Frau named her Stefi |
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shagginwagon83
Samba Member
Joined: February 07, 2016
Posts: 3804
Location: VA/TN
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| Posted: Wed Aug 16, 2017 7:45 am Post subject: Re: Help finding ultra rare 83.5 coolant cap |
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So you guys remove the cap to check coolant?
I guess if everything works right....you should be able to pull the license plate down and make sure the overflow tank has coolant
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Brandon
"Jo Ann" - '83.5 Westfalia EJ22e w/Peloquin
Instagram @joannthevan |
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djkeev
Samba Moderator
Joined: September 30, 2007
Posts: 32638
Location: Reading Pennsylvania
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Gnarlodious
Samba Member
Joined: September 28, 2013
Posts: 2323
Location: Adobe Jungle USA
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| Posted: Wed Aug 16, 2017 1:59 pm Post subject: Re: Help finding ultra rare 83.5 coolant cap |
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If you have a diesel pressure tank on a gas engine then you should replace it with the stock round tank and sell me your diesel tank.
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Vanagon ’83 diesel AAZ w/Giles injection, 5spd 4.57R&P+TBD and a '78 diesel Rabbit |
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