Need Help Changing Spark Plugs on a 2005 2500HD with 6.0 Gas Engine

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Need Help Changing Spark Plugs on a 2005 2500HD with 6.0 Gas Engine

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Chevrolet Forums >> Chevy Trucks, Vans & SUV's >> Silverado >> Need Help Changing Spark Plugs on a 2005 2500HD with 6.0 Gas Engine

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Need Help Changing Spark Plugs on a 2005 2500HD with 6.... - 5/1/2008 12:37:58 PM

Lees2500HD

Posts: 2
Joined: 2/15/2007
Status: offline

I have been having a issue with rough idling. You can actually see the tach jump a little at times. Truck has a little over 44K. miles.

Which way loosens the plugs clockwise or counter clockwise. Are they in there tight from factory?

Thanks Lee Stroud

Post #: 1

RE: Need Help Changing Spark Plugs on a 2005 2500HD wit... - 5/1/2008 12:45:41 PM

northey87

Posts: 755
Joined: 10/17/2007
Status: online

I would imagine that the plugs are just like every other spark plug and loosens CCW.

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'95 1500 Silverado, 350, flowmaster Force II exhuast, S&B CAI.

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(in reply to Lees2500HD)

Post #: 2

RE: Need Help Changing Spark Plugs on a 2005 2500HD wit... - 5/14/2008 12:53:24 PM

bennettmcguire

Posts: 14
Joined: 3/24/2008
Status: offline

I just did my truck.. Same engine.. I'm certian it was CCW.

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Bennett McGuire - 2005 Silverado 1500HD - Vortec 6000 LQ4

(in reply to northey87)

Post #: 3

RE: Need Help Changing Spark Plugs on a 2005 2500HD wit... - 5/14/2008 1:57:40 PM

jmack91z28

Posts: 112
Joined: 2/27/2008
Status: offline

Lefty Loosey Righty Tighty...

Put your ass into it, they'll come off

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1994 K2500 454 4L80E 14bolt 10.5" w/ 4.10's

(in reply to bennettmcguire)

Post #: 4

RE: Need Help Changing Spark Plugs on a 2005 2500HD wit... - 5/14/2008 2:21:01 PM

ZX1100F1

Posts: 2433
Joined: 8/1/2006
Status: offline

I heavy dose of fuel injector cleaner will probably do more to smooth out the idle then a new set of plugs.
And it is CCW to remove each plug of course.

_____________________________

Dave

(in reply to jmack91z28)

Post #: 5

RE: Need Help Changing Spark Plugs on a 2005 2500HD wit... - 5/14/2008 5:45:33 PM

wellmax

Posts: 34
Joined: 2/11/2008
Status: offline

you could have a defective plug, but before I changed plugs I would give truck a couple of cans of seafoam, (one per tank) see if that helps.

Also change gas stations, try Shell or other well know brand. some of the gas companies use additives that hurt mileage and performance, but meet EPA stds.

Good luck and let us know what fixed the problem.

Be sure to use proper AC Delco plugs, if you do replace plugs, not some off brand plug, they can cause sensors to go crazy.

(in reply to Lees2500HD)

Post #: 6