removing heat exchangers, any advice or tricks? |
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removing heat exchangers, any advice or tricks? |
raw1298 |
Oct 30 2011, 09:55 AM
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#1
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Senior Member Group: Members Posts: 616 Joined: 9-March 09 From: Rocklin,Ca. Member No.: 10,148 Region Association: Northern California |
I am digging in and removing the heat exchangers and was wondering if there are any tricks or things to watch for? I don't want to damage the heads in the process. (IMG:style_emoticons/default/confused24.gif)
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AZ914 |
Oct 30 2011, 10:13 AM
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#2
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914 Dumbass Group: Members Posts: 1,459 Joined: 6-January 03 From: Sunny Tucson Member No.: 98 Region Association: Southwest Region |
Use a bunch of penetrating oil on the head studs. You really don't want those to break.
Some people say to use heat but I haven't done that personally. |
rjames |
Oct 30 2011, 10:14 AM
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#3
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I'm made of metal Group: Members Posts: 3,971 Joined: 24-July 05 From: Shoreline, WA Member No.: 4,467 Region Association: Pacific Northwest |
Be prepared for a stripped exhaust stud or two, either upon removal or reinstallation.
Make sure you have new gaskets and the correct nuts when it comes time to re install. Pelican has them. |
raw1298 |
Oct 30 2011, 10:18 AM
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#4
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Senior Member Group: Members Posts: 616 Joined: 9-March 09 From: Rocklin,Ca. Member No.: 10,148 Region Association: Northern California |
I am going to use penetrating oil. The engine was a fresh rebuild in the parts car when I bought it. I am hoping they were replaced with new studs and nuts in the process. Should I support the rear of the exchanger when I start to loosen the nuts on the head?
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tradisrad |
Oct 30 2011, 10:19 AM
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#5
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Senior Member Group: Members Posts: 985 Joined: 11-September 06 From: San Mateo, CA Member No.: 6,815 Region Association: Northern California |
anneal the new gaskets before using them. don't let the weight of the muffler and HE hang off of the studs.
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raw1298 |
Oct 30 2011, 10:22 AM
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#6
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Senior Member Group: Members Posts: 616 Joined: 9-March 09 From: Rocklin,Ca. Member No.: 10,148 Region Association: Northern California |
anneal the new gaskets before using them. don't let the weight of the muffler and HE hang off of the studs. Anneal? (IMG:style_emoticons/default/confused24.gif) Redneck from Kansas, please define? |
dlee6204 |
Oct 30 2011, 10:30 AM
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#7
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Howdy Group: Members Posts: 2,162 Joined: 30-April 06 From: Burnsville, NC Member No.: 5,956 |
QUOTE Anneal? Redneck from Kansas, please define? Heat the new copper gaskets to red hot and let them cool slowly. They will soften up and seal better. |
raw1298 |
Oct 30 2011, 10:36 AM
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#8
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Senior Member Group: Members Posts: 616 Joined: 9-March 09 From: Rocklin,Ca. Member No.: 10,148 Region Association: Northern California |
Thanks! Going to start, let you know how it goes later.
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Tom_T |
Oct 30 2011, 10:46 AM
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#9
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TMI.... Group: Members Posts: 8,318 Joined: 19-March 09 From: Orange, CA Member No.: 10,181 Region Association: Southern California |
Make sure to support the full weight of the HEs & muffler in several places during removal & reinstall, so you don't tweak/strip the case studs by it dropping or it sitting crooked.
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pete000 |
Oct 30 2011, 10:56 AM
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#10
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Senior Member Group: Members Posts: 1,885 Joined: 23-August 10 From: Bradenton Florida Member No.: 12,094 Region Association: South East States |
I just pulled mine yesterdy. I removed the muffler to reduce the weight a bit.
I soaked the studs with PB Blaster every day for three days. The nuts all came of easily. I noticed I had one missing copper gasket and one nut was very loose causing a slight leak. Overall they came off easily (IMG:style_emoticons/default/beerchug.gif) |
raw1298 |
Oct 30 2011, 12:05 PM
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#11
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Senior Member Group: Members Posts: 616 Joined: 9-March 09 From: Rocklin,Ca. Member No.: 10,148 Region Association: Northern California |
Done. All nuts came out easy. There were no washers in there, are there supposed to be? The nuts also were not very tight.
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rjames |
Oct 30 2011, 12:23 PM
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#12
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I'm made of metal Group: Members Posts: 3,971 Joined: 24-July 05 From: Shoreline, WA Member No.: 4,467 Region Association: Pacific Northwest |
Done. All nuts came out easy. There were no washers in there, are there supposed to be? The nuts also were not very tight. They were probably loose because they were the wrong kind of nuts. Don't use washers. But do use the correct nuts: Exhaust Stud Nuts Don't over tighten the nuts when installing or you'll strip the threads for the studs. I think 18 ft lbs is the correct amount, but check the Haynes manual to be sure. |
raw1298 |
Oct 30 2011, 12:38 PM
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#13
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Senior Member Group: Members Posts: 616 Joined: 9-March 09 From: Rocklin,Ca. Member No.: 10,148 Region Association: Northern California |
Done. All nuts came out easy. There were no washers in there, are there supposed to be? The nuts also were not very tight. They were probably loose because they were the wrong kind of nuts. Don't use washers. But do use the correct nuts: Exhaust Stud Nuts Don't over tighten the nuts when installing or you'll strip the threads for the studs. I think 18 ft lbs is the correct amount, but check the Haynes manual to be sure. Thanks, you are right they were the wrong nuts. I will get the correct ones when I reinstall. |
messix |
Oct 30 2011, 12:44 PM
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#14
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AKA "CLUTCH KILLER"! Group: Members Posts: 6,995 Joined: 14-April 05 From: between shit kickers and pinky lifters/ puget sound wa.north of Seattle south of Canada Member No.: 3,931 Region Association: Pacific Northwest |
use a 1/4" drive rachet to resist the urge to over tighten the nuts.
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rfuerst911sc |
Oct 30 2011, 01:05 PM
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#15
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Advanced Member Group: Members Posts: 2,158 Joined: 4-May 06 From: Dahlonega , Georgia Member No.: 5,980 Region Association: South East States |
I'm a fan of adding some anti-seize compound on the threads of the studs to make it easier in the future to remove the nuts.
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raw1298 |
Oct 30 2011, 06:33 PM
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#16
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Senior Member Group: Members Posts: 616 Joined: 9-March 09 From: Rocklin,Ca. Member No.: 10,148 Region Association: Northern California |
When I go back in I'll put anti seize on it. Thanks for al the advise. (IMG:style_emoticons/default/biggrin.gif)
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