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spark plug help - am I in trouble? #4504448
09/01/17 12:44 PM
09/01/17 12:44 PM
Joined: Apr 2015
Posts: 182
Houston, TX
czbrian Offline OP
czbrian  Offline OP
Joined: Apr 2015
Posts: 182
Houston, TX
So I was bored today and decided to go ahead and change the spark plugs in our 2006 Honda Pilot at 96K miles. First one comes out and new one goes back in just fine. Then I move to the middle plug in the front bank and as soon as it broke loose, I could tell something was wrong. It feels as if it is crossthreaded or something. Makes a very slight grinding noise if I try to loosen it anymore and I can't loosen by hand. If I try to tighten it back up, same thing. I haven't turned it much since I could tell as soon as it broke loose something was off. What do I now? Keep loosening it with the wrench or am I just doomed for a more expensive repair by my mechanic?

Re: spark plug help - am I in trouble? [Re: czbrian] #4504452
09/01/17 12:48 PM
09/01/17 12:48 PM
Joined: Feb 2006
Posts: 2,660
Cincinnati
Chris Meutsch Offline
Chris Meutsch  Offline
Joined: Feb 2006
Posts: 2,660
Cincinnati
Well, I own a 2008. All 6 of mine came out OK.
I have heard around here that our generations' Pilot's may have the ability to spit plugs due to them not being tightened down properly at the factory. I took mine out at 90k and all were tight.
Perhaps you had a loose one, and it cracked due to vibration, and you finished the "cracking."
I would research (sorry you are in Houston) mobile spark plug removal (think the Ford trucks with the plug issues) around you and I bet they can help.


2005 Honda CR-V EX, 268k
Re: spark plug help - am I in trouble? [Re: czbrian] #4504454
09/01/17 12:49 PM
09/01/17 12:49 PM
Joined: Jan 2016
Posts: 29
Bothell, WA
Todari09 Offline
Todari09  Offline
Joined: Jan 2016
Posts: 29
Bothell, WA
Spray for WD40 and work it back and forth to see that helps.
I usually spray some penetrating oil before I start removing them.

Re: spark plug help - am I in trouble? [Re: czbrian] #4504457
09/01/17 12:50 PM
09/01/17 12:50 PM
Joined: Feb 2013
Posts: 11,090
Phoenix, AZ
Nick1994 Offline
Nick1994  Offline
Joined: Feb 2013
Posts: 11,090
Phoenix, AZ
Pour a few drops of oil down the spark plug hole and let it sit, or some Liquid Wrench or something.


2015 Hyundai Sonata 2.4L 88k Motorcraft Synthetic Blend 5w30 & OEM
2000 Toyota Camry 2.2L 231k Valvoline 5w30 & Fram Ultra
1996 Jeep Cherokee 4.0L 147k Mobil 1 HM 10w40 & Fram Ultra
Re: spark plug help - am I in trouble? [Re: czbrian] #4504459
09/01/17 12:52 PM
09/01/17 12:52 PM
Joined: Apr 2017
Posts: 1,481
Ontario, Canada
mightymousetech Offline
mightymousetech  Offline
Joined: Apr 2017
Posts: 1,481
Ontario, Canada
Unfortunately this is common on the Honda 6, plug on cylinder 5 gets seized. Probably going to have to get the plug out then helicoil that cylinder.


Mighty Mouse Tech
BMW Tech, Former Acura Tech
2010 Civic Si Castrol 0W40, Redline MTL
2013 BMW 135i M Sport Edition Castrol 0W40, Redline MTL
Re: spark plug help - am I in trouble? [Re: czbrian] #4504480
09/01/17 01:13 PM
09/01/17 01:13 PM
Joined: Nov 2016
Posts: 1,283
WI
HoosierJeeper Offline
HoosierJeeper  Offline
Joined: Nov 2016
Posts: 1,283
WI
I'd try the oil. I think there's a good chance there's carbon deposits holding it in. I just the ones in my Liberty and some made some interesting noises coming out, but I just would loosen a bit, tighten a bit till they came out ok.


15 Jeep KL Limited V6: Formula Shell 5W20
07 LR3 SE V8: Maxlife 5W30
05 Jeep KJ Limited: PHM 5W30
96 Jeep XJ Country: STP HM 5W30 (winter)
Re: spark plug help - am I in trouble? [Re: czbrian] #4504488
09/01/17 01:15 PM
09/01/17 01:15 PM
Joined: Apr 2015
Posts: 182
Houston, TX
czbrian Offline OP
czbrian  Offline OP
Joined: Apr 2015
Posts: 182
Houston, TX
Thanks. I'm going to soak it overnight and see what happens in the morning.

Re: spark plug help - am I in trouble? [Re: czbrian] #4504491
09/01/17 01:17 PM
09/01/17 01:17 PM
Joined: Feb 2017
Posts: 318
NC
fenixguy Offline
fenixguy  Offline
Joined: Feb 2017
Posts: 318
NC
I always use some PB Blaster on a hot engine before removing spark plugs after engine has cooled down. The grinding could just be a bit of carbon built up on the end of the plug. Oil it a little then remove it.


'16 Frontier SV 4x4-PP/Nissan OEM
'08 CR-V EX AWD-Valvoline Syn MaxLife/Fram TG
'01 Civic EX-Valvoline Syn MaxLife/Fram UG
'00 Civic LX-PYB/Fram UG
Re: spark plug help - am I in trouble? [Re: czbrian] #4504689
09/01/17 04:46 PM
09/01/17 04:46 PM
Joined: Apr 2015
Posts: 182
Houston, TX
czbrian Offline OP
czbrian  Offline OP
Joined: Apr 2015
Posts: 182
Houston, TX
It looks like most of you were right about it just needing some penetrating oil. Rather than waiting overnight I went ahead and tested it and it seems 3 hours of soaking in WD40 "specialist" penetrating oil was enough to solve the issue. The plug came out smoothly. You could tell a difference in the discoloration and slight amount of carbon on this plug versus the first so it seems that's all the issue was. I broke the remaining 4 loose and are letting them soak now. Thanks for the responses.

Re: spark plug help - am I in trouble? [Re: czbrian] #4504714
09/01/17 05:10 PM
09/01/17 05:10 PM
Joined: May 2013
Posts: 681
Florida
SilverSnake Offline
SilverSnake  Offline
Joined: May 2013
Posts: 681
Florida
Make sure you use anti-seize compound on the new plugs.


2016 Charger, 6.4L-485 HP (PUP 0W-40)
2017 BMW 330i, 2L-248 HP (BMW 0W-20)
2018 Jeep GC, 5.7L-360 HP (PP 5W-20)
2008 20KW Generac (Amsoil 10W-30/30)
Re: spark plug help - am I in trouble? [Re: czbrian] #4504727
09/01/17 05:21 PM
09/01/17 05:21 PM
Joined: Jun 2011
Posts: 1,803
Crawfordville FL
SilverFusion2010 Offline
SilverFusion2010  Offline
Joined: Jun 2011
Posts: 1,803
Crawfordville FL
Just a dab of anti-seize. It's easy to overdo

Last edited by SilverFusion2010; 09/01/17 05:21 PM.

2010 Ford Fusion SE 3.0L V6, 181 miles M1 HM 10w-30
Re: spark plug help - am I in trouble? [Re: SilverSnake] #4504800
09/01/17 06:33 PM
09/01/17 06:33 PM
Joined: Nov 2006
Posts: 20,588
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,588
MA, Mittelfranken.de
Originally Posted By: SilverSnake
Make sure you use anti-seize compound on the new plugs.


+1 and as posted just a little on the threads and tighten the plugs just tight don't wrench them in. Waiting for the never use anti seize gang to chime in. LOL


ASE L1, Master. Deutsch Meisterbrief.
Re: spark plug help - am I in trouble? [Re: Trav] #4504855
09/01/17 07:36 PM
09/01/17 07:36 PM
Joined: Oct 2012
Posts: 4,825
Taiwan
Ducked Offline
Ducked  Offline
Joined: Oct 2012
Posts: 4,825
Taiwan
Originally Posted By: Trav
Originally Posted By: SilverSnake
Make sure you use anti-seize compound on the new plugs.


+1 and as posted just a little on the threads and tighten the plugs just tight don't wrench them in. Waiting for the never use anti seize gang to chime in. LOL


IIRC NGK is a gang member.

Re: spark plug help - am I in trouble? [Re: Ducked] #4504994
09/01/17 11:35 PM
09/01/17 11:35 PM
Joined: Nov 2006
Posts: 20,588
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,588
MA, Mittelfranken.de
And its probably a plated plug that got stuck which would be nothing new. thumbsup


ASE L1, Master. Deutsch Meisterbrief.
Re: spark plug help - am I in trouble? [Re: czbrian] #4505044
09/02/17 03:41 AM
09/02/17 03:41 AM
Joined: Oct 2012
Posts: 4,825
Taiwan
Ducked Offline
Ducked  Offline
Joined: Oct 2012
Posts: 4,825
Taiwan
I've never used anti-seize, but I cant think of a downside to it, unless you use a torque wrench on your plugs, which I donr.

I'd probably use the aluminium stuff in preference to the copper.

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