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Permanent Red vs High Temp High Strength Loctite? #4618648
12/30/17 11:04 AM
12/30/17 11:04 AM
Joined: Jan 2017
Posts: 416
Virginia
Hemispheres Offline OP
Hemispheres  Offline OP
Joined: Jan 2017
Posts: 416
Virginia
Yes Iím back again with another exhaust related thread. Just extracted a stud I snapped last Sun using some shade tree tactics. Donít ever wanna touch another friggin exhaust pipe again.

This time around using manufacturer torque specs. However the only loctite I have available is medium blue and high strength red/needs a torch to remove which I donít have. Iím thinking heat cycling itself may be enough to negate needing a torch but donít wanna chance it.


2009 Buick LaCrosse (3800 Series III) - 137,000 miles.
PZ Plat HM/Mobil 1 HM
Bosch/Purolator/Mobil filters
Re: Permanent Red vs High Temp High Strength Loctite? [Re: Hemispheres] #4618662
12/30/17 11:17 AM
12/30/17 11:17 AM
Joined: Jan 2011
Posts: 1,032
Columbus Nebraska
old1 Offline
old1  Offline
Joined: Jan 2011
Posts: 1,032
Columbus Nebraska
I don't get the statement that you and many others have used that you need a torch to remove fasteners that have red loctite on them. I have never used anything but red loctite, and have never had any trouble removing a nut or bolt that has it. Sure it turns harder, but never needed heat. Actually I would think that it wouldn't even hold up under the heat of exhaust.


2017 Nissan Frontier 4.0 5w30
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1929 ford model A No filters, and 15/40 oil
Re: Permanent Red vs High Temp High Strength Loctite? [Re: Hemispheres] #4618666
12/30/17 11:20 AM
12/30/17 11:20 AM
Joined: Jan 2017
Posts: 416
Virginia
Hemispheres Offline OP
Hemispheres  Offline OP
Joined: Jan 2017
Posts: 416
Virginia
Thatís what I figured but believe me when I say after the last few weeks Iím done with exhaust.


2009 Buick LaCrosse (3800 Series III) - 137,000 miles.
PZ Plat HM/Mobil 1 HM
Bosch/Purolator/Mobil filters
Re: Permanent Red vs High Temp High Strength Loctite? [Re: Hemispheres] #4618823
12/30/17 02:04 PM
12/30/17 02:04 PM
Joined: May 2016
Posts: 293
New England
NibbanaBanana Offline
NibbanaBanana  Offline
Joined: May 2016
Posts: 293
New England
I can't imagine any type of Loctite surviving an exhaust manifold.

My experience with permanent Loctite is that without heat, you're not going to remove that fastener. Unless you machine it out. It only takes a propane torch. No big expense.


1993 Ford E350 5.8L, 68K
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2006 Chevy Aveo 1.6L 215K
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7500 OCI, M1 5-30 winter, M1 10-30 summer
Re: Permanent Red vs High Temp High Strength Loctite? [Re: Hemispheres] #4618850
12/30/17 02:32 PM
12/30/17 02:32 PM
Joined: Jun 2003
Posts: 5,920
Illinois
SHOZ Offline
SHOZ  Offline
Joined: Jun 2003
Posts: 5,920
Illinois
Why are you not using anti-seize for exhaust bolts?


2008 Hyundai Accent 1.6L 5 sp manual hatchback
2010 Hyundai Genesis Coupe Track 2L Turbo 6sp manual
Re: Permanent Red vs High Temp High Strength Loctite? [Re: Hemispheres] #4618858
12/30/17 02:43 PM
12/30/17 02:43 PM
Joined: Nov 2006
Posts: 19,895
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 19,895
MA, Mittelfranken.de
Originally Posted By: Hemispheres
Yes Iím back again with another exhaust related thread. Just extracted a stud I snapped last Sun using some shade tree tactics. Donít ever wanna touch another friggin exhaust pipe again.

This time around using manufacturer torque specs. However the only loctite I have available is medium blue and high strength red/needs a torch to remove which I donít have. Iím thinking heat cycling itself may be enough to negate needing a torch but donít wanna chance it.


Never Seize not loctite on exhaust studs, use copper nuts if they are available.


ASE L1, Master. Deutsch Meisterbrief.
Re: Permanent Red vs High Temp High Strength Loctite? [Re: Hemispheres] #4620127
12/31/17 10:02 PM
12/31/17 10:02 PM
Joined: Jan 2017
Posts: 416
Virginia
Hemispheres Offline OP
Hemispheres  Offline OP
Joined: Jan 2017
Posts: 416
Virginia
Iím asking because my service manual says to use gm 12345493 which should be loctite 262. I used blue on the lower intake bolts with no issue though despite it calling for the same thread locker.


2009 Buick LaCrosse (3800 Series III) - 137,000 miles.
PZ Plat HM/Mobil 1 HM
Bosch/Purolator/Mobil filters
Re: Permanent Red vs High Temp High Strength Loctite? [Re: Hemispheres] #4620343
01/01/18 09:19 AM
01/01/18 09:19 AM
Joined: Feb 2013
Posts: 3,226
Central Virginia
Silverado12 Offline
Silverado12  Offline
Joined: Feb 2013
Posts: 3,226
Central Virginia
FWIW I use copper anti seize for anything exhaust related.


12 Chevy Silverado ext. cab LS, 2WD 4.3 auto
18 Mustang GT 5.0 auto
07 Harley Dyna Street Bob 96 c.i. 6 sp.
00 Mustang GT auto

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