 Exhaust manifold gasket, Do they need to be annealed when new? |
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| HansJan |
 Feb 8 2020, 12:08 AM
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Member  Group: Members Posts: 394 Joined: 5-April 16 From: Sugar Land TX Member No.: 19,860 Region Association: Southwest Region 
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Car didn’t pass inspection because of an exhaust leak.
So... Just ordered some manifold gaskets from Pelican Parts. Question is. Is this copper soft out of the box, or does it need to be annealed before install? Thanks for sharing your experiences. |
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| HansJan |
Feb 13 2020, 07:32 PM
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Member Group: Members Posts: 394 Joined: 5-April 16 From: Sugar Land TX Member No.: 19,860 Region Association: Southwest Region
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Did anneal the gaskets.
It makes a huge difference. Not sure why not everyone is doing this. After fixing the leak on the driver side a leak appeared on the passenger side. To find out that the threats were stripped. In one spot the PO had installed an Allenbolt instead of the stud. This bolt engaged no more then 1/4”. A Helicoil tool is on order to correct this problem. Question: can I expect this Helicoil to take the torque needed to seal the exhaust manifold? Just asking because the Helicoils are not as long as the original threaded hole. Lots of threads here showing people doing this repair, just didn’t find the confirmation that it’s strong enough. |
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Posts in this topic
HansJan Exhaust manifold gasket Feb 8 2020, 12:08 AM
PlaysWithCars I've never had to do any prep to the gaskets. ... Feb 8 2020, 12:27 AM Mikey914 I do and haven’t had an issue. Feb 8 2020, 12:51 AM Wyvern Perhaps not ... but it sure would never hurt.
The ... Feb 8 2020, 08:46 AM brant I’ve had brand new ones leak
With annealing I... Feb 8 2020, 09:50 AM dr914@autoatlanta.com install as is just make sure that the top of the h... Feb 8 2020, 09:53 AM
Olympic 914
install as is just make sure that the top of the ... Feb 8 2020, 10:39 AM HansJan Sorry. There are no HE’s, just some pipes.
But ... Feb 8 2020, 11:53 AM TheCabinetmaker Helicoil won't hold. You need a timecert. Inst... Feb 14 2020, 08:52 AM Mark Henry
Helicoil won't hold. You need a timecert. Ins... Feb 14 2020, 09:49 AM GregAmy Such an asy question...and dueling opinions.
I ca... Feb 23 2020, 04:49 PM |
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