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Tahoe & Suburban The power, space, and brutal towing ability make the Tahoe and its longer sibling, the Suburban, arguably the best full size SUV's on the market today.

2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

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  #1  
Old 06-05-2010, 12:58 AM
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Smile spark plug wire removal......

I feel so stupid asking this question but I don't want to damage the spark plug wires or the metal shield around them. I need to know how to remove the plug wires off the plugs of my 2004 Surburban. Do I just pull? Because I've given them a good tug and no luck. Do I need some special tool to pull them off? Also anyone know what the plug gap should be?
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  #2  
Old 06-05-2010, 01:07 AM
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After removing the metal shield, you need to grip the boot at the plug insulator and twist and pull. There is a special tool that fits at the bottom of the boot. Put silicon grease in the boots before you replace them and they won't stick next time.
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  #3  
Old 06-05-2010, 09:24 AM
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x2 just have to keep working on them, and sometimes they can be a pain in the butt. the plugs for you should be ac platinums and they should aready have the right gap but I think my book says gap should be .40
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Triple pillar mount with gauges
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Winter tires - stock rims with Bridgestone APT
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Old 06-05-2010, 10:03 AM
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Always, I repeat always, check the gap on new plugs. There's absolutely no assurance that they are pre-gapped.
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2010 Sheer Silver Tahoe LTZ (all options but sunroof, power boards), GM (body color flaps, rear console, 3rd row mat, 2-Way Remote, chrome gas door, Esky rack), Eagle Eye LED tails, SLP dual tip exhaust, Silver bow-ties/rear wiper, Catch-All mats, AlphaTherm washer fluid heater, Putco chrome mirror covers, silver calipers, board chrome trim, tint, GMPP Major Guard

2007 Black Tahoe LTZ (Sold),
(GM flaps-$15, Lund Step Tubes-$80-For Sale)
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  #5  
Old 06-05-2010, 06:44 PM
dh1 dh1 is offline
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Default +2 on checking the gap

I just replaced my plugs & wires because the engine was running a little rough and lacked the power it should have had.

Turns out the previous owner had recently replaced the plugs, but he never checked the gap when he installed them. They were all over the place, some too big, some too small.

Another nice thing, one of the eight plugs was finger tight in the block....and 2 of the 8 plug wires didn't match the rest of them.

Have found some other interesting things, but the primary reason for the response is the gaps should ALWAYS be double checked before installation.

Use a dab of di-electric grease on the new plugs this time and you won't have such a hard time removing the wires next time.
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Old 06-06-2010, 02:34 AM
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Default spark plug wire removal..

Thank you all for your good advice. I went out armed with all this knowledge and I can't get the plug wires off! I have twisted, pulled, twisted & pulled, said some magic words and they still won't pop off. I don't want to damage the wires. IM sure they are spendy like everything else I've bought on this Suburban. Some of the plug wires I can only touch with the tip my fingers. I think IM just going to have to take it to a shop and pay them to replace the plugs. Thank you again for all your help!
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  #7  
Old 06-06-2010, 09:46 AM
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Make sure they put some silicone grease in each boot.
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2007 Black Tahoe LTZ (Sold),
(GM flaps-$15, Lund Step Tubes-$80-For Sale)
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  #8  
Old 06-30-2010, 08:08 PM
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Heres the bulletin on the spark plug replacement and gap....


Document ID# 1396703

Subject: Information on New Spark Plugs and Gapping #03-06-04-060 - (10/24/2003)



Models: 2004 Buick Ranier

2002-2004 Cadillac Escalade, Escalade EXT

2003-2004 Cadillac Escalade ESV

2004 Cadillac CTS-V

1997-2004 Chevrolet Corvette

1998-2002 Chevrolet Camaro

1999-2004 Chevrolet Silverado

2000-2004 Chevrolet Suburban, Tahoe

2002-2004 Chevrolet Avalanche

2003-2004 Chevrolet Express, TrailBlazer

1999-2004 GMC Sierra

2000-2004 GMC Yukon, Yukon XL

2001-2004 GMC Yukon Denali, Yukon XL Denali

2002-2004 GMC Sierra Denali

2003-2004 GMC Envoy XL

1998-2002 Pontiac Firebird

2004 Pontiac GTO

2003-2004 Hummer H2

with 4.8L, 5.3L, 5.7L or 6.0L V-8 Engine (VINs V, P, T, Z, G, S, N, U -- RPOs LR4, LM4, LM7, L59, LS1, LS6, LQ9, LQ4)



A new spark plug has been released for use in the above vehicles. The new spark plug has an Iridium tip instead of the current Platinum tip. Due to the different tip design, the gap of the spark plug has also changed. The new spark plug, P/N 12571164 with AC Delco P/N 41-985, is gapped to 1.01mm (0.040 inches) when the spark plug is made. The spark plug gap is set during manufacturing and should not be changed or damage to the spark plug may result. Any new spark plug found to not be properly gapped should not be used.



GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information.
WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION


Copyright General Motors Corporation. All Rights Reserved.


Document ID# 1396703
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04 suburban leather loaded
Supercharged 9 psi boost
Chrome package
Custom pcm
Electric fan conversion
Dual exhaust
Custom CAI
Triple pillar mount with gauges
Summer tires - 20 inch chrome with cooper H/T plus
Winter tires - stock rims with Bridgestone APT
Energy suspension kit
Air bagged rear end
Prodigy p3 brake controller
Your vehicle can go as fast as you wallet will let it
Buy a hybrid I need your gas
As always, Drive it like you stole it
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  #9  
Old 06-30-2010, 08:47 PM
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Make sure to use an anti-seize on the threads after the plugs are out...
You may want to try using a coat hanger bent in a tight hook to pull at the boot end to try and break the seal it has on the plug.
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  #10  
Old 06-30-2010, 09:43 PM
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Use the anti-seize sparingly and keep it away from the center electrode as the paste is conductive.

I like the coat hanger idea. But only cuz I can't think of a way to use duct tape.
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2010 Sheer Silver Tahoe LTZ (all options but sunroof, power boards), GM (body color flaps, rear console, 3rd row mat, 2-Way Remote, chrome gas door, Esky rack), Eagle Eye LED tails, SLP dual tip exhaust, Silver bow-ties/rear wiper, Catch-All mats, AlphaTherm washer fluid heater, Putco chrome mirror covers, silver calipers, board chrome trim, tint, GMPP Major Guard

2007 Black Tahoe LTZ (Sold),
(GM flaps-$15, Lund Step Tubes-$80-For Sale)
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Old 06-30-2010, 09:43 PM
 
 
 
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04, 05, 99, avalanche, aveo, boot, chevy, plu, plug, removal, removing, silverado, spark, tahoe, wire, wires


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