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leadbettr
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Joined: January 12, 2012
Posts: 52
Location: California
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 Posted: Sun Jan 22, 2012 5:52 pm Post subject: How to Temp Patch a Hole in the Exaust |
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My van happens to have the EGR system removed right now.
So there's a hole in the exhaust system just before the catalytic converter and it's creating quite a bit of racket.
Until I get the EGR system back in order I'd like to put a temporary plug or cover on the hole to limit the noise.
Anyone have any thoughts?
I thought I'd ask for ideas before trying to tackle it myself.
I know it gets quite hot down there so that limits my options.
Thanks! |
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danfromsyr
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Joined: March 01, 2004
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Location: Syracuse, NY
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seanjenn
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Joined: March 07, 2009
Posts: 689
Location: Taos, NM
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| Posted: Sun Jan 22, 2012 6:08 pm Post subject: |
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| danfromsyr wrote: | | band clamp small piece of metal and some high temp gasket material. |
Hah! Damn. Beat me to it.
Great VW minds clearly think alike 
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1984 Westy 2 Dubya D
1.9L 4spd
God thinks he's Eddy Merckx |
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leadbettr
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Joined: January 12, 2012
Posts: 52
Location: California
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| Posted: Sun Jan 22, 2012 7:55 pm Post subject: |
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Thanks!
May I ask what a Band Clamp is? |
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82WestyMan
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Joined: December 28, 2006
Posts: 1060
Location: South Carolina
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| Posted: Sun Jan 22, 2012 8:00 pm Post subject: |
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| leadbettr wrote: | Thanks!
May I ask what a Band Clamp is? |
a large radiator hose clamp will work, just something to keep the piece of metal in place
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"The floggings will continue until morale improves"
"I never did give anybody hell. I just told the truth and they thought it was hell" - Harry S. Truman
82 Westfalia - w/ a Raby 'Camper Special' engine |
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Terry Kay
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leadbettr
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Joined: January 12, 2012
Posts: 52
Location: California
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| Posted: Sun Jan 22, 2012 11:35 pm Post subject: |
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| I can't see your picture in your post |
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Love My Westy
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Joined: August 08, 2007
Posts: 789
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| Posted: Sun Jan 22, 2012 11:51 pm Post subject: |
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| Whatever you do, don't use that epoxy stuff you can buy at you flaps to repair exhaust leaks. I tried it and it almost killed me with the smell. It also cracked and fell off. |
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reluctantartist
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Joined: August 13, 2006
Posts: 1744
Location: Bloomington, IN
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| Posted: Mon Jan 23, 2012 12:30 am Post subject: |
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I made a block off plate and used the existing bolts and gasket. Are the bolts still attached to the heat exchanger?
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1982 Westy, 1974 412 Variant... Yes, Aircooled's are great! Oh and I do have modern computer controlled vehicles too, but I just don't care about them. |
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gary1998
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leadbettr
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Joined: January 12, 2012
Posts: 52
Location: California
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| Posted: Mon Jan 23, 2012 6:22 am Post subject: |
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| reluctantartist wrote: | | I made a block off plate and used the existing bolts and gasket. Are the bolts still attached to the heat exchanger? |
Nah, it seems the system broke off and the whole interface down there is all rusted over. |
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reluctantartist
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Joined: August 13, 2006
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Location: Bloomington, IN
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| Posted: Mon Jan 23, 2012 7:25 am Post subject: |
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You might get away with using permatex copper silicone in place of the gasket and then make a bracket.
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1982 Westy, 1974 412 Variant... Yes, Aircooled's are great! Oh and I do have modern computer controlled vehicles too, but I just don't care about them. |
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leadbettr
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Posts: 52
Location: California
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| Posted: Tue Jan 24, 2012 2:58 am Post subject: |
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| reluctantartist wrote: | | You might get away with using permatex copper silicone in place of the gasket and then make a bracket. |
So you'd need a seal in addition to the metal? |
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reluctantartist
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Joined: August 13, 2006
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Location: Bloomington, IN
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| Posted: Tue Jan 24, 2012 7:31 am Post subject: |
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If you don't then you will likely have an exhaust leak. Are you in a location where you will be smogged? Are you sure that the EGR valve is sealed at the air distributor, this will cause a vacuum leak of it is not. If you don't need the EGR it would be better to block off the place on the exhaust and make a plate for where the EGR attaches to the air distributor.
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1982 Westy, 1974 412 Variant... Yes, Aircooled's are great! Oh and I do have modern computer controlled vehicles too, but I just don't care about them. |
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leadbettr
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Joined: January 12, 2012
Posts: 52
Location: California
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| Posted: Sat Mar 10, 2012 3:27 pm Post subject: |
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| reluctantartist wrote: | | If you don't then you will likely have an exhaust leak. Are you in a location where you will be smogged? Are you sure that the EGR valve is sealed at the air distributor, this will cause a vacuum leak of it is not. If you don't need the EGR it would be better to block off the place on the exhaust and make a plate for where the EGR attaches to the air distributor. |
Yep It's blocked off a the air dist. It's blocked by the valve that seems to be frozen in place, both the valve itself and the hex screws holding it in place. I'm hoping I won't need to remove it anytime soon.
As for the exhaust end I used a clamp and just some aluminum foil to cover the hole.
It defiantly has reduced the noise.
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1981 Aircooled Stock Country Homes Camper Vanagon w/Oil radiator, Oil Temp and Bentley manual
I'm a owner with pretty good mechanical skills and not the greatest diagnostic skills.
"Do what you can, with what you've got, where you are." -TR |
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70coupyel
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Joined: September 06, 2006
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Location: So.Cal
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| Posted: Sat Mar 10, 2012 7:58 pm Post subject: |
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Dude if you post some pictures that would help a lot. 
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| TheAndante wrote: | | Saying that specs are different than dimensions doesn't make sense. Porsche specs/VW specs/engineering specs are nothing but a series of dimensions,sizes,percentages,measurements, etc. |
70 KG Coup
83 Westy Waterboxer |
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Tishamingo
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Joined: March 09, 2012
Posts: 13
Location: McMinnville
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| Posted: Mon Mar 12, 2012 6:19 pm Post subject: gonna watch this thread |
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my van became really loud today on the way to work, almost as if someone took the cat off my westy  Have meetings tonight and hope to pull it in a dry greenhouse at work tomm to take a look at it. So yeah, might need some expertise on the situation.
BTW I have seen a few links to exploded diagrams of the systems on the Vans. Does anyone have a handy link to a 1986 Watercooled exhaust system? The Haynes didn't have much and the Bentley is not with me right now.
Thanks guys |
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Ahwahnee
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Joined: June 05, 2010
Posts: 3083
Location: Mt Lemmon, AZ
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| Posted: Mon Mar 12, 2012 6:37 pm Post subject: Re: gonna watch this thread |
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| Tishamingo wrote: | | ...BTW I have seen a few links to exploded diagrams of the systems on the Vans. Does anyone have a handy link to a 1986 Watercooled exhaust system? |
Try the Bus Boys site, crude but effective:
http://www.bus-boys.com/
You'll need to scroll down the left hand menu.
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