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jwallis
Samba Member
Joined: March 02, 2012
Posts: 569
Location: Austin
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 Posted: Fri May 25, 2012 11:17 am Post subject: |
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| Terry Kay wrote: |
Good.
Keep close an eye on the hose as you crank down on them made In Cassablaca vice grips.
This isn't the right tool for the job---
But any port in a storm I guess.
Or--any Tool when your Tapioca. |
In the past I have put pieces of wood between the teeth and the hose, I guess I should have mentioned that. Is that your concern, that the teeth would chew up the hose? If it's an old hose, I'm not crazy about crushing down on it regardless because I'm paranoid about stressing the hose... I know I should probably replace them soon...
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greyerlynx
Samba Member
Joined: July 23, 2012
Posts: 8
Location: United States
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| Posted: Mon Jul 23, 2012 9:15 am Post subject: Gas Pedal linkage heat |
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Hey all. I'm new to TheSamba having just purchased my '86 Wolfsburg Weekender. I grew up in VW campers though. 
I've read through this thread and I understand the two major problems that people are fixing: Heater leakage and radient footwell heat. The fixes for both make sense but I'm pretty sure neither are the issue I'm facing.
Early on in the thread, DogPilot mentions hot air coming in through the gas pedal linkage. I've confirmed that this is exactly what's happening in my van. I've reached down and put my hand under the gas pedal while driving and I can feel a significant amount of hot air blowing up through that hole. Before I just start attacking it with my own (sometimes successful) ingenuity I wanted to reach out and see if anyone had a solution that specifically dealt with that problem.
Thanks! |
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MidwestDrifter
Samba Member
Joined: June 13, 2012
Posts: 769
Location: Kicking Around Australia
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| Posted: Mon Jul 23, 2012 6:08 pm Post subject: |
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There should be a plastic cover that goes over the pedal linkage under the van.(see picture below) This forms a seal around the hole where the rod from the pedal goes through the floor. If yours is missing or damaged a decent amount of hot air can get in.
If it is in place but you still get hot air leaks, you can try sealing around the cover with a silicone or similar sealant.
_________________
2004 Dodge/Mercedes Sprinter (Custom Camper)
2000 Jetta TDI
1982 Diesel Westy W/ ABA I4 hybrid (Sold)
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greyerlynx
Samba Member
Joined: July 23, 2012
Posts: 8
Location: United States
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| Posted: Sat Jul 28, 2012 8:49 pm Post subject: |
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Wanted to make sure I followed up here. I tracked down the plastic cover you were talking about up in the spare tire area. I don't have it apart yet but it looks like the stuff they used to seal the edge has disintegrated after 26 years and the hot air is getting in through the gap. I'll need to get up in there and use some silicone like you said. I'm guessing the gasket for that is not readily available.
Thanks for pointing me in the right direction. |
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Jake de Villiers
Samba Member
Joined: October 24, 2007
Posts: 5911
Location: Tsawwassen, BC
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| Posted: Sun Jul 29, 2012 4:11 pm Post subject: |
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| greyerlynx wrote: |
Wanted to make sure I followed up here. I tracked down the plastic cover you were talking about up in the spare tire area. I don't have it apart yet but it looks like the stuff they used to seal the edge has disintegrated after 26 years and the hot air is getting in through the gap. I'll need to get up in there and use some silicone like you said. I'm guessing the gasket for that is not readily available.
Thanks for pointing me in the right direction. |
Polyurethane caulk will stick better and handle the hot environment better. Silicone is for bathtubs! 
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'86 Westy Weekender Poptop/2.5 Subaru/5 Speed Posi/Audi Front Brakes/16 x 7 Mercedes Wheels - answers to 'Dixie'
@jakedevilliersmusic1
http://sites.google.com/site/subyjake/mydixiedarlin%27
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MidwestDrifter
Samba Member
Joined: June 13, 2012
Posts: 769
Location: Kicking Around Australia
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| Posted: Sun Jul 29, 2012 5:32 pm Post subject: |
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| Quote: |
| Polyurethane caulk will stick better and handle the hot environment better. Silicone is for bathtubs! |
True, I just re-sealed mine after replacing the throttle cable. I used some sikaflex (polyurethane adhesive sealant) I had lying around from another project. That stuff will probably out-last the van.
A good quality automotive silicone would work just fine. Might be easier to remove as well, if you need to get under there to add some lube.
_________________
2004 Dodge/Mercedes Sprinter (Custom Camper)
2000 Jetta TDI
1982 Diesel Westy W/ ABA I4 hybrid (Sold)
Epic Road Tripping since 08/05/12 | http://VagariesAbound.blogspot.com/
My Current Build | http://sprinter-source.com/forum/showthread.php?t=41215 |
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Terry Kay
Banned
Joined: June 22, 2003
Posts: 13331
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| Posted: Sun Jul 29, 2012 9:20 pm Post subject: |
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GOOP would seal that cover off from the heat & elements forever--
Good stuff.
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jwallis
Samba Member
Joined: March 02, 2012
Posts: 569
Location: Austin
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| Posted: Tue Jul 31, 2012 2:21 pm Post subject: |
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| Terry Kay wrote: |
GOOP would seal that cover off from the heat & elements forever--
Good stuff. |
Are you talking the GOOP contact cement in the blue tube? I've never had good luck with that stuff. You use it for a wide range of jobs? Follow the instructions on the tube?
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Terry Kay
Banned
Joined: June 22, 2003
Posts: 13331
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| Posted: Tue Jul 31, 2012 7:39 pm Post subject: |
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It comes in 37 different varieties--
Plumbing,Home,Garden,Shoe, etc.
I've got the purple & white tubes .
Clean the area well with lacquer thinner, scuff up the area with 80 sandpaper, and apply the goop.
Let it dry overnight, and you'll need a jack hammer or an act of God to have it fall off.
A liitle bit of prep, & patience goes a long way.
What's wrong with using the required screws & the Goop to hang & seal the cover ?
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greyerlynx
Samba Member
Joined: July 23, 2012
Posts: 8
Location: United States
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| Posted: Wed Aug 01, 2012 12:29 pm Post subject: |
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| I'd like to leave the option to get into it at some future point. I'll probably go with the polyurethane or auto silicone. Thanks guys! |
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gmoyle
Samba Member
Joined: May 27, 2009
Posts: 20
Location: Bainbridge Island, WA
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| Posted: Sun Jun 16, 2013 4:35 pm Post subject: Plumbers tape? |
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Hate to revive such an old thread but I was about to this mod but I had a question. It looks like you used some plumbers tape here. I was wondering if any old plumbers tape will work or if a specific kind is required to be resistant to antifreeze?
[/quote]
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Stella - 1988 Westfalia Vanagon GL Camper
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J Charlton 
Samba Member
Joined: August 24, 2007
Posts: 1546
Location: The True North Strong and Free
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| Posted: Sun Jun 16, 2013 6:09 pm Post subject: hot foot solution |
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Anyone interested in a solenoid controlled valve to do this shut off? It would be controlled by a toggle switch on the dash that would trigger a relay that would make the solenoid valve move from the "off" position - i.e. closed, no coolant flow through the heater core to the "open" position. I.E. the default position would be closed, throw the switch to open the valve and have flow.
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DubNuts
Samba Member
Joined: January 06, 2009
Posts: 194
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| Posted: Sun Jun 16, 2013 7:20 pm Post subject: |
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Haha small world.. Recently I've been installing the solenoid shut off vales.
I'm using the Hi temp 1\2" Valves think there called Viton rated to 248 degrees. I install them in the rear of the Van before the heater hose T's off into the Rear heater.. Note.. The valves are somewhat heavy so I create a hanger to support the weight so that they won't bounce, flop or drop. Works great even wire them to a powered LED amber switch that I install on the lower Dash. Works great for those spring or Fall days where it's chilly in the morning and then hot.
Only problem is getting above the coolant pipes to install and wire the valves, but normally I offer the valves when upgrading total coolant system and pipes, and total heater hose replacement stuff.
But this fix won't solve your Rad heat blow back, for that your need the foil insolation etc. For that stuff I buy from Summit Racing etc "Heat Foil" it's sticky on one side and used to keep the heat from race engines, Turbo's etc out of the car. They have several different types some rated to 1000+ degrees.
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gmoyle
Samba Member
Joined: May 27, 2009
Posts: 20
Location: Bainbridge Island, WA
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| Posted: Sun Jun 16, 2013 7:46 pm Post subject: Plumbers tape? |
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Yup. Putting in butyl sound deadener and ULtratouch radiant barrier but I still would like a recommendation on the plumbers tape. The last thing I want after tearing out everything, cleaning and installing all the insulation and putting in new carpet is a coolant leak.
Suggestions?
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Stella - 1988 Westfalia Vanagon GL Camper
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joseph928
Samba Member
Joined: September 22, 2011
Posts: 2114
Location: flagstaff az.
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| Posted: Sun Jun 16, 2013 8:16 pm Post subject: ptfe tape |
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 White used on threads up to 3/8 of inch, yellow used on threads 1/2 to 2 inch . WE use yellow at work on low presser steam lines and that seems hotter the the VW gets. 
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1987 syncro westy tin top sun roof , GW2.3, rear locker, decoupler, Gary Lee tire rack & winch mount, lift, south african grill, big brakes , rhein alloy ,15 BFG AT, Fiamma 10 foot awning ,140 watt rear 85 watt front solar , mppt, truckfridge, automatic fire extinguishing system, tencent oil cooler, And a RMW SS exhaust! - 1971 bug convertible 1776 engine- 2010 Subaru turbo - 1993 Toyota 4x4 truck - 1999 Harley 95 CI, big bore, Andrews cams . Also 80-84- vans. Stock 65 sunroof bug. |
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J Charlton
Samba Member
Joined: August 24, 2007
Posts: 1546
Location: The True North Strong and Free
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| Posted: Sun Jun 16, 2013 8:34 pm Post subject: |
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| DubNuts wrote: |
.
Haha small world.. Recently I've been installing the solenoid shut off vales.
I'm using the Hi temp 1\2" Valves think there called Viton rated to 248 degrees. I install them in the rear of the Van before the heater hose T's off into the Rear heater.. Note.. The valves are somewhat heavy so I create a hanger to support the weight so that they won't bounce, flop or drop. Works great even wire them to a powered LED amber switch that I install on the lower Dash. Works great for those spring or Fall days where it's chilly in the morning and then hot.
Only problem is getting above the coolant pipes to install and wire the valves, but normally I offer the valves when upgrading total coolant system and pipes, and total heater hose replacement stuff.
But this fix won't solve your Rad heat blow back, for that your need the foil insolation etc. For that stuff I buy from Summit Racing etc "Heat Foil" it's sticky on one side and used to keep the heat from race engines, Turbo's etc out of the car. They have several different types some rated to 1000+ degrees.
. |
Small world indeed - I've been looking at mine - I currently have a manual shut off - the valves I have are (I think) sized so that I could install just about right where I now have my manual shutoff. I.E right up pretty much next to the heater core. For sure, I'd always replace the original POS plastic valve with the wire cable attached to it with a piece of hose that would splice into the original heater line, eliminating the manually controlled valve altogether.
I'd love to come up with a reasonably priced variable opening valve so you could vary the coolant flow, but any I've seen are ridiculously expensive.
_________________
NAHT hightop availability May 18 2023 -
Bend Oregon - for Oregon, California- (7 tot , 3 available), Kennewick Wa (6 tot, 1 available), Small Car Performance Fife Wa. (7 tot 4 avail ), Fairbanks Alaska (1 tot 0 avail)
Future availability TBD : Springfield Mass. Staunton Va, Florida, Colorado, Grand Junction Co., SLC probably late 2024 |
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syncrodoka
Samba Member
Joined: December 27, 2005
Posts: 12006
Location: Santa Cruz, CA
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| Posted: Sun Jun 16, 2013 8:56 pm Post subject: Re: ptfe tape |
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| joseph928 wrote: |
| White used on threads up to 3/8 of inch, yellow used on threads 1/2 to 2 inch . |
The yellow teflon tape gets used on gas lines around here.  |
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joseph928
Samba Member
Joined: September 22, 2011
Posts: 2114
Location: flagstaff az.
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| Posted: Sun Jun 16, 2013 9:01 pm Post subject: Re: ptfe tape |
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| syncrodoka wrote: |
| joseph928 wrote: |
| White used on threads up to 3/8 of inch, yellow used on threads 1/2 to 2 inch . |
The yellow teflon tape gets used on gas lines around here. |
The yellow we use is better on larger pipes it's called duel density the white is single density. Been using on steam lines for years, with no problems. But if this is a problem use pipe dope. PS look it up rated for up to 500 degrees! + also water! 
_________________
1987 syncro westy tin top sun roof , GW2.3, rear locker, decoupler, Gary Lee tire rack & winch mount, lift, south african grill, big brakes , rhein alloy ,15 BFG AT, Fiamma 10 foot awning ,140 watt rear 85 watt front solar , mppt, truckfridge, automatic fire extinguishing system, tencent oil cooler, And a RMW SS exhaust! - 1971 bug convertible 1776 engine- 2010 Subaru turbo - 1993 Toyota 4x4 truck - 1999 Harley 95 CI, big bore, Andrews cams . Also 80-84- vans. Stock 65 sunroof bug. |
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malibu
Samba Member
Joined: March 03, 2011
Posts: 116
Location: Horse Heaven, WA
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| Posted: Sun Jun 16, 2013 9:25 pm Post subject: Re: Plumbers tape? |
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| gmoyle wrote: |
| Hate to revive such an old thread but I was about to this mod but I had a question. It looks like you used some plumbers tape here. I was wondering if any old plumbers tape will work or if a specific kind is required to be resistant |
The place I ordered the valve from had it put together for me when I got there. They knew it was going to hold antifreeze so I wasn't worried. I think it's just regular white tape. So far it has been working great.
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85 westy weekender - 2.5 suby
85 full westy - 2.2 suby - Sold |
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gmoyle
Samba Member
Joined: May 27, 2009
Posts: 20
Location: Bainbridge Island, WA
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| Posted: Mon Jun 17, 2013 12:03 am Post subject: |
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Fabulous. I should be able to finish it up this week then. Thanks all!
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