 Leaking exhaust at head..., multiple copper gaskets / more muscle on those exhaust nuts |
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| Jax914 |
 Oct 8 2007, 09:57 AM
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#1
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Schwienhund Rennenmannshaft  Group: Members Posts: 138 Joined: 7-August 06 From: Jacksonville, FL Member No.: 6,602 Region Association: South East States  |
Okay,
I'm looking for some ideas.... I have a 1971 1.7 - stock heat exchangers, manta exhaust. I've replaced the copper gaskets between the heat exchanger and the head, applied what I think is way too much torque to the exhaust nuts and can't get it to stop leaking. I removed the exchanger and made sure the top of the flange is level and smooth. When I start it up and crawl under, I can feel the leak. My thoughts are to try running two gaskets?!? Anyone else have similar problems? TIA, |
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| HAM Inc |
Oct 8 2007, 11:27 AM
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Senior Member Group: Members Posts: 847 Joined: 24-July 06 From: Watkinsville,GA Member No.: 6,499 Region Association: None |
Because the studs are outside of the sealing flange the torque sequence is crtitcal too. If you tighten one stud more than its mate you will rock the he unevenly and that will keep it from drawing down flat against the copper.
The previous advise is all good and you should follow it and then when you reinstall the he take all of the slack out of the 4 nuts as you apply even pressure so the he is flat against the copper. This is a job where that third arm would be very handy! |
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Posts in this topic
Jax914 Leaking exhaust at head... Oct 8 2007, 09:57 AM
Bartlett 914 The ears on the HE pipes may be hitting the boss f... Oct 8 2007, 10:14 AM rhodyguy if you went thru the torqueing sequence and ran th... Oct 8 2007, 10:27 AM rhodyguy forgot to add, make SURE all the rings are out... Oct 8 2007, 11:34 AM KaptKaos I was installing mine this weekend. I just want t... Oct 8 2007, 11:38 AM
Dan (Almaden Valley)
I was installing mine this weekend. I just want ... Oct 8 2007, 11:39 AM rjames
Mind Kevin on this one!! Oct 8 2007, 08:17 PM BMartin914 Torque exhaust nuts to 18 ft/lbs. More and you ris... Oct 8 2007, 09:39 PM KaptKaos
Torque exhaust nuts to 18 ft/lbs. More and you ri... Oct 8 2007, 10:09 PM davep Len did not mention it, but he has commented in th... Oct 8 2007, 10:10 PM Cap'n Krusty Begin with the assumption that double gaskets NEVE... Oct 8 2007, 11:25 PM jk76.914 If you haven't seen this already.... I tried ... Oct 9 2007, 05:09 AM Jax914 thanks everyone....hopefully I'll have some ti... Oct 9 2007, 06:55 AM jk76.914 Be careful on the torque. I'd say 18 ft-lbs i... Oct 9 2007, 05:54 PM ChrisNPDrider My system for almost all repairs is to tighten, dr... Oct 9 2007, 07:20 PM Jax914 Haven't done anything yet....but to answer - y... Oct 9 2007, 08:11 PM |
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