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To Seize or Not To Seize? #5346939 02/11/20 08:57 AM
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Gebo Offline OP
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I read to not use anti-seize on spark plugs. I read to use anti-seize on spark plugs. Which is correct or does it matter?

If it matters, at this time I am only concerned with Honda's and Toyota's. However, I welcome all responses.


'98 LEX LS400 305K
'02 4Runner 250K
'05 Lex LS430 90K
'07 Lex GX470 70K

Shell Gas and Truck 5W-30
QS HM 10W-30
Toyota ATF's and Coolant
Amsoil Gear Oil and Grease
Re: To Seize or Not To Seize? [Re: Gebo] #5346946 02/11/20 09:09 AM
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ARCOgraphite Offline
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Not needed, and may cause issues. Most plugs have a coating on them to prevent seizures.

Now ford has always had "Iggy" issues

you can decide what to do there

Most important is don't bend secondary wires if you are not replacing them, allow then to lie naturally

And Keep the plug insulators surgically clean.

Requires clean gloves and maybe a last second alcohol wipe in a radial motion.


2019 VW Jetta S 6MT OCI#2 7378mi-MOTUL Specific VW508.00+VW Service Filter; '17 Subaru Crosstrek CVT OC#8 60864mi-Subaru Idemitsu 0W20 + SOA Filter
Re: To Seize or Not To Seize? [Re: Gebo] #5346960 02/11/20 09:36 AM
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BMWTurboDzl Offline
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If the plug threads are plated and plug manufacturer discourages it then do not use anti-seize. Anti-seize acts as a torque multiplier which increases the risk of an over-torque and consequently stripped threads.

Last edited by BMWTurboDzl; 02/11/20 09:36 AM.

“It took untold generations to get you where you are. A little gratitude might be in order. If you’re going to insist on bending the world to your way, you better have your reasons.”

435i
Re: To Seize or Not To Seize? [Re: Gebo] #5346963 02/11/20 09:38 AM
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Gebo Offline OP
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I only use Denso plugs. Are they plated?

The anti-seize I have is aluminum based.

Last edited by Gebo; 02/11/20 09:40 AM.

'98 LEX LS400 305K
'02 4Runner 250K
'05 Lex LS430 90K
'07 Lex GX470 70K

Shell Gas and Truck 5W-30
QS HM 10W-30
Toyota ATF's and Coolant
Amsoil Gear Oil and Grease
Re: To Seize or Not To Seize? [Re: Gebo] #5346964 02/11/20 09:41 AM
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BMWTurboDzl Offline
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“It took untold generations to get you where you are. A little gratitude might be in order. If you’re going to insist on bending the world to your way, you better have your reasons.”

435i
Re: To Seize or Not To Seize? [Re: BMWTurboDzl] #5346968 02/11/20 09:48 AM
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Gebo Offline OP
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It doesn't work for a 2008 Honda CR-V. It only says "no results found" when searching under the ignition.

But I do appreciate your helping me. Thanks!


'98 LEX LS400 305K
'02 4Runner 250K
'05 Lex LS430 90K
'07 Lex GX470 70K

Shell Gas and Truck 5W-30
QS HM 10W-30
Toyota ATF's and Coolant
Amsoil Gear Oil and Grease
Re: To Seize or Not To Seize? [Re: Gebo] #5346975 02/11/20 09:54 AM
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BMWTurboDzl Offline
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Originally Posted by Gebo
It doesn't work for a 2008 Honda CR-V. It only says "no results found" when searching under the ignition.

But I do appreciate your helping me. Thanks!

Search pn#?


“It took untold generations to get you where you are. A little gratitude might be in order. If you’re going to insist on bending the world to your way, you better have your reasons.”

435i
Re: To Seize or Not To Seize? [Re: Gebo] #5346987 02/11/20 10:07 AM
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Ride_Red Offline
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NGK states that the plugs I bought for my motorcycles and lawnmower were plated and not to use anti-seize. It was in their FAQs. I don't remember it specifically stated on their plugs' item webpage.


2019 4Runner 4.0L, 18K Mi, M1 EP 0W-20, OEM
2010 CR-V 2.4L,100K Mi, M1 0W-20 AFE, M1-110
2009 T&C 3.8L, 130K Mi, ST 5W-20, Fram
2006 Cobalt 2.2L, 184K Mi, ST 5W-30 HM, Fram
Re: To Seize or Not To Seize? [Re: Gebo] #5346990 02/11/20 10:14 AM
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KrisZ Online Content
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Use anti-seize, don't use anti-seize, it's been discussed countless times here and it has never reached any consensus.

However, every once in a while we do get a thread about a spark plug being difficult to remove or damaging the threads, even the coated ones. Curiously enough, the vivid proponents of "manufacturers know best" don't seem to participate in those.

https://www.bobistheoilguy.com/foru...38828/stuck-spark-plug-toyota-4-7-tundra

https://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2844805&page=all

https://www.bobistheoilguy.com/foru...one-spark-plug-wont-come-out#Post5133371

Last edited by KrisZ; 02/11/20 10:26 AM.

2015 Grand Caravan 3.6L - 35k miles.
2006 Mazda 3 2.0L - 186k miles
Re: To Seize or Not To Seize? [Re: Ride_Red] #5346991 02/11/20 10:14 AM
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What is the harm? I have always used anti seize without any issues. I also know people who have had plugs seize due to dissimilar metal corrosion. I choose not to take a chance.


13 Dodge Durango 3.6 L 119,000
18 Chrysler 300 3.6 L 28,000
Kubota Zero Turn Mower
10 BMW F650GS
17 Moto Guzzi V7 III
92 BMW R100R
Re: To Seize or Not To Seize? [Re: Gebo] #5347020 02/11/20 10:47 AM
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[Now ford has always had "Iggy" issues] Explain lggy issues


2015 F150 2.7
2018 F350 6.2
Re: To Seize or Not To Seize? [Re: Gebo] #5347041 02/11/20 11:12 AM
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I do it all wrong...
I spray a little WD40 to clean the threads from old anti-seize, etc.
I brush just a wisp of anti-seize on the plug threads.
Start plugs by hand with a rubber installer that will not cross thread plug.
Run 'em down by hand; any resistance must be fixed.
Finish with Snap On 3/8" torque wrench set to the low end (or a little less) of the factory torque value.
Your CR-V is 13 pound feet as I recall.
I use dielectric grease on the plug boot.


2018 Tesla Model 3, Medium Range Battery
2018 Lexus RX450h
2013 Lexus GS350 F Sport
2006 Acura TSX
2001 Tundra Access Cab, 1998 Accord LX, 1968 Corvette L36 Roadster, 1965 Olds 4-4-2
Re: To Seize or Not To Seize? [Re: Gebo] #5347044 02/11/20 11:18 AM
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Jimzz Offline
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I still put some on but very little. I only do one small area on the plugs threads and thats all.
Just enough to give it a little more to the surface so they come out without damage in 50-100k, but not to thick to really change the torque specs.


yup
Re: To Seize or Not To Seize? [Re: Gebo] #5347047 02/11/20 11:19 AM
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bubbatime Offline
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I’ve always used antisieze , always. Never a problem. Just a small dab...

Re: To Seize or Not To Seize? [Re: KrisZ] #5347058 02/11/20 11:41 AM
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Wolf359 Online Content
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Originally Posted by KrisZ
Use anti-seize, don't use anti-seize, it's been discussed countless times here and it has never reached any consensus.

However, every once in a while we do get a thread about a spark plug being difficult to remove or damaging the threads, even the coated ones. Curiously enough, the vivid proponents of "manufacturers know best" don't seem to participate in those.


I think the manufacturers get away with it because they recommend miles and years so if you change it every 6-7 years regardless of miles, then they won't seize from being in there too long.

Never really thought about it, never used it, never had a problem.

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