exhaust manifold sealer? - YotaTech Forums


Go Back   > >


86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

exhaust manifold sealer?

Reply
 
LinkBack Thread Tools Search this Thread
Old 07-31-2007, 02:56 AM   #1
Registered User
Thread Starter
iTrader: (1)
 
RustBucket's Avatar
 
Join Date: Aug 2005
Location: SF Bay Area
Posts: 1,691
exhaust manifold sealer?

Hey guys,

My 4Runner had an annoying little exhaust leak, so I decided to fix it the other day. Found another manifold, cleaned it, had it planed, fixed/helicoiled the studs in the head, got a new gasket and flange gasket donuts, and bolted it all down. Still leaked, but it was a completely different tone. Just a side note I was torqueing down the 14mm nuts from the center out with very gradually increasing torque (probably 5 or 6 runs, finishing at maybe 35 ft-lb or torque)

So yesterday I tried it again, reused the old gasket (had only driven like 10 miles with it) and it's the same story. The surface of the head may very well be a little warped and maybe that's why I'm having no luck.

For a final try here's my idea: take it all off again, get a NEW gasket and NEW flange gaskets and coat the gasket on either side with some sort of high-temp sealant like Ultra Copper Permatex.

I'd like to get some opinions on this project...
RustBucket is offline   Reply With Quote
Old 07-31-2007, 04:09 AM   #2
Contributing Member
 
Elton's Avatar
 
Join Date: Jul 2005
Location: Siletz,Oregon
Posts: 12,261
maybe try these gaskets ? http://www.remflex.com/
Elton is offline   Reply With Quote
Old 07-31-2007, 04:18 AM   #3
Contributing Member
 
04 Rocko Taco's Avatar
 
Join Date: Jun 2006
Posts: 4,047
I assume machining heads is beyond the realm of 'what I want to do right now'?
04 Rocko Taco is offline   Reply With Quote
Old 07-31-2007, 04:27 AM   #4
Registered User
 
scrid's Avatar
 
Join Date: Feb 2006
Location: Omaha, NE
Posts: 280
manifold leak

I seriously doubt any sealer, even the Permatex will hold up to the heat and pressure. If resurfacing the head surface isn't an option right now, on a budget I would be tempted to possibly used two gaskets and double them up.
scrid is offline   Reply With Quote
Old 07-31-2007, 04:29 AM   #5
Contributing Member
 
04 Rocko Taco's Avatar
 
Join Date: Jun 2006
Posts: 4,047
Quote:
Originally Posted by scrid View Post
I seriously doubt any sealer, even the Permatex will hold up to the heat and pressure. If resurfacing the head surface isn't an option right now, on a budget I would be tempted to possibly used two gaskets and double them up.
and have you gona after it with the wetstone trick, granted if its leaking its probably more than you'd ever get like that, but worth a shot, for the effort, course thats probably harder to do in the truck. lol.
04 Rocko Taco is offline   Reply With Quote
Old 07-31-2007, 04:39 AM   #6
Registered User
 
scrid's Avatar
 
Join Date: Feb 2006
Location: Omaha, NE
Posts: 280
manifold leak

Also worth a try 04 Rocko Taco, good thought.
scrid is offline   Reply With Quote
Old 07-31-2007, 04:47 AM   #7
Contributing Member
 
04 Rocko Taco's Avatar
 
Join Date: Jun 2006
Posts: 4,047
Come on, its oh so easy out of the truck... lol.
i know, just yank your motor out of there, and we'll tear into it when i come up...



EDIT: I know I know, nitrile gloves and bare feet, only in the south. lol.
04 Rocko Taco is offline   Reply With Quote
Old 07-31-2007, 06:17 AM   #8
Contributing Member
 
04 Rocko Taco's Avatar
 
Join Date: Jun 2006
Posts: 4,047
if all else fails man, here is a good consition 22R head for sale. (guy also has another head that needs rebuilding, and a block, also)

http://www.yotatech.com/f107/fs-22r-head-120566/
04 Rocko Taco is offline   Reply With Quote
Old 07-31-2007, 07:52 AM   #9
Registered User
 
89-4Runner's Avatar
 
Join Date: Nov 2005
Posts: 155
I used that permatex ultra copper on my downey headers and it held up fine. when I took the headers off two years later when I parted out the truck the permatex was still in excellent shape, actually still holding the headers on tight after i took the bolts out. the permatex wasn't dried out or burnt, still could peel it off (rubbery...)
89-4Runner is offline   Reply With Quote
Old 07-31-2007, 08:25 AM   #10
Registered User
 
thook's Avatar
 
Join Date: Sep 2005
Location: NW Ark on wooded ten acres...Ozarks at large!
Posts: 8,350
Quote:
Originally Posted by 04 Rocko Taco View Post

EDIT: I know I know, nitrile gloves and bare feet, only in the south. lol.
I hate to be the one to tell you this, but your gloves......uh, they don't match.

And just to note, "professional" southern men wear nitrile socks.
thook is offline   Reply With Quote
Old 07-31-2007, 08:38 AM   #11
Registered User
 
Ringmaster's Avatar
 
Join Date: Jun 2006
Location: Spokane Valley Washington
Posts: 814
Quote:
Originally Posted by 04 Rocko Taco View Post
Come on, its oh so easy out of the truck... lol.
i know, just yank your motor out of there, and we'll tear into it when i come up...



EDIT: I know I know, nitrile gloves and bare feet, only in the south. lol.
I was gonna say, whenever I see peeps wearing exam gloves,

Run Forest Run!
Ringmaster is offline   Reply With Quote
Old 07-31-2007, 10:39 AM   #12
Registered User
 
PirateFins's Avatar
 
Join Date: Jan 2003
Location: Smithsburg, Maryland
Posts: 1,958
I just used the Ultra Copper Permatex on my header that was leaking like you wouldn't believe. So far it has been 2 weeks and all is quiet. I put a layer on the head, then gasket (toyota), another layer and finally the header. I also used it on the 3 EGR tube connections.
PirateFins is offline   Reply With Quote
Old 07-31-2007, 03:43 PM   #13
Registered User
Thread Starter
iTrader: (1)
 
RustBucket's Avatar
 
Join Date: Aug 2005
Location: SF Bay Area
Posts: 1,691
Sweet! Well I'll try that stuff then!


Dude, Chris, what are you doing in MY driveway dressed like THAT? And isn't that one of MY engines?!
RustBucket is offline   Reply With Quote
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Post your 20R & 22R Engine Setups (Specs for internals, fuel delivery, exhaust, etc) kawazx636 Pre 84 Trucks 18 03-19-2016 05:59 AM
Pacesetter tfx catback exhaust Zach_trun Product Reviews 2 09-14-2015 06:16 PM
2.7 clattering noise Streetrod19772000 95.5-2004 Tacomas & 96-2002 4Runners 0 09-10-2015 06:22 PM
Why paint an engine? Obmi General Vehicle Related Topics (Non Year Related) 1 09-10-2015 03:36 AM
exhaust valve diagnosis whats your opinion idadan208 86-95 Trucks & 4Runners 11 09-07-2015 09:06 AM


Tags
copper, engine, exaust, exhaust, exhausy, fix, gasket, leak, mani, manifold, permatex, sealant, sealer, thread, ultra

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -8. The time now is 11:35 PM.


2010 InternetBrands, Inc.