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ia02 Samba Member
Joined: March 13, 2012 Posts: 71
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Posted: Tue Jul 02, 2013 6:44 pm Post subject: Seal Ring: Heat Exchanger to Muffler |
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Does anyone know where I can get the seal ring that seals the threaded connection between the stock heat exchangers and muffler? The seal sits inside the female threads of the heat exchanger and the muffler flange buts up against the seal.
Thanks in advance... |
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MOCHABILL Samba Member
Joined: June 12, 2008 Posts: 584 Location: BY THE BAY
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Posted: Tue Jul 02, 2013 8:11 pm Post subject: Re: Seal Ring: Heat Exchanger to Muffler |
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ia02 wrote: |
Does anyone know where I can get the seal ring that seals the threaded connection between the stock heat exchangers and muffler? The seal sits inside the female threads of the heat exchanger and the muffler flange buts up against the seal.
Thanks in advance... |
Russ Wolfe[RIP] recommended using the copper thermalcouple tubing,used in hot water heaters.
Regards. _________________ '71 Squareback FI
'07 Passat wagon 2.0
'03 Ranger 4door 4.0 |
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ia02 Samba Member
Joined: March 13, 2012 Posts: 71
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Posted: Tue Jul 02, 2013 8:21 pm Post subject: Re: Seal Ring: Heat Exchanger to Muffler |
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[quote="MOCHABILL"]
ia02 wrote: |
Russ Wolfe[RIP] recommended using the copper thermalcouple tubing,used in hot water heaters. |
Did he prescribe cutting a length forming into a ring and just laying it inside the opening? Or should the ends be joined in some way? Any info is greatly appreciated |
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Bobnotch Samba Member
Joined: July 06, 2003 Posts: 22410 Location: Kimball, Mi
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Posted: Tue Jul 02, 2013 8:43 pm Post subject: Re: Seal Ring: Heat Exchanger to Muffler |
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[quote="ia02"]
MOCHABILL wrote: |
ia02 wrote: |
Russ Wolfe[RIP] recommended using the copper thermalcouple tubing,used in hot water heaters. |
Did he prescribe cutting a length forming into a ring and just laying it inside the opening? Or should the ends be joined in some way? Any info is greatly appreciated |
If I remember right, he suggested angle cutting the ends, so that they overlapped in a smooth fashion (formed a complete circle). _________________ Bob 65 Notch S with Sunroof
71 Notch ...aka Krunchy; build pics here;
http://www.thesamba.com/vw/forum/viewtopic.php?t=249390 -been busy working
64 T-34 Ghia...aka Wolfie, under construction... http://www.thesamba.com/vw/forum/viewtopic.php?t=412120
Tram wrote: |
"Friends are God's way of apologizing for relatives." |
Tram wrote: |
People keep confusing "restored" and "restroyed". |
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ia02 Samba Member
Joined: March 13, 2012 Posts: 71
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Bobnotch Samba Member
Joined: July 06, 2003 Posts: 22410 Location: Kimball, Mi
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volksaddict Samba Member
Joined: August 19, 2003 Posts: 1724
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Posted: Sat Feb 06, 2021 6:30 am Post subject: Re: Seal Ring: Heat Exchanger to Muffler |
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I'm looking for these now too. Wish I'd saved that bad thermocouple I changed out last fall. I tried some single port intake copper rings but they didn't seem to take up enough space and I'm thinking the thermocouple tubing isn't much bigger. I remember an aluminum ring falling out of one of these years ago, way bigger than the rings mentioned above.
Anyone have a pic or description of the original sealing ring? |
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ataraxia Samba Member
Joined: March 19, 2010 Posts: 4504 Location: Illinois
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EasternNotch Samba Member
Joined: January 19, 2006 Posts: 633 Location: Boston Metro West
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gt1953 Samba Member
Joined: May 08, 2002 Posts: 13848 Location: White Mountains Arizona
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Posted: Sun Feb 07, 2021 7:05 am Post subject: Re: Seal Ring: Heat Exchanger to Muffler |
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You do need that ring installed, when mine went back together I also used some exhaust liquid sealant to make certain it sealed. _________________ Volkswagen: We tune what we drive.
Numbers Matching VW's are getting harder to find. Source out the most Stock vehicle and keep that way. You will be glad you did.
72 type 1
72 Squareback
({59 Euro bug, 62, 63, 67, 68, 69, 73 type ones 68 & 69 type two, 68 Ghia all sold}) |
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volksaddict Samba Member
Joined: August 19, 2003 Posts: 1724
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Posted: Sun Feb 07, 2021 8:52 am Post subject: Re: Seal Ring: Heat Exchanger to Muffler |
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Thank you Eastern Notch for the best reply to a technical question I have ever received!! |
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KTPhil Samba Member
Joined: April 06, 2006 Posts: 34002 Location: Conejo Valley, CA
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Posted: Sun Feb 07, 2021 1:07 pm Post subject: Re: Seal Ring: Heat Exchanger to Muffler |
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I always clean those super-fine threads and use anti-seize on them, to make it more likely (though not certain) they will come part later if needed. |
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volksaddict Samba Member
Joined: August 19, 2003 Posts: 1724
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Posted: Wed Feb 17, 2021 5:57 am Post subject: Re: Seal Ring: Heat Exchanger to Muffler |
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So I ended up using a 40hp cylinder sealing ring from the pile of leftover gasgets, cut at a 45° and fit to the heat riser. The ring is a good beefy size, bigger than the intake sealing rings I tried and the soft copper fits together nicely when cut with wire cutters. Threads clean and wiped with antisieze, big nuts tightened with channellock pliers, nos mufler. Good to go |
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KTPhil Samba Member
Joined: April 06, 2006 Posts: 34002 Location: Conejo Valley, CA
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Posted: Wed Feb 17, 2021 9:54 am Post subject: Re: Seal Ring: Heat Exchanger to Muffler |
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Retighten those big nuts after about 500 miles or so. They can loosen with heat/cool cycles, and the escaping gasses corrode those fine threads. No need to put a death grip on it, just snug it well after it sets in over those miles. Check it again at the next valve adjustment. |
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