100,000 mile spark plug change - Chevrolet Forum - Chevy Enthusiasts Forums

100,000 mile spark plug change

Join Date: Aug 2006
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May 13th, 2010, 11:35 AM   #1  
CF Senior Member
100,000 mile spark plug change

My 2007 tahoe is due for a plug change. Dealer want 207.00, parts and labor. I think I'm going to try and change them myself, but I took a look under the hood and the plugs close to the firewall look pretty difficult to get to. I dont think I have the proper tools to get the job done. But I was gonna try to save money on the plugs, so does anyone have a part number or any info as to the type of plugs are in the 2007 tahoe with flex fuel. Thanks in advance.

Oops sorry mods, please move this to the Tahoe & Suburban section.

Last edited by Typerod; May 13th, 2010 at 11:45 AM.
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KC, MO area

May 13th, 2010, 4:39 PM   #2  

Have you checked owner's manual?

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Bowie, MD

May 13th, 2010, 9:12 PM   #3  
Super Moderator
Professional Mechanic
Any parts store will have the listing for the correct plug. I highly recommend you stay with the O.E. Ac Delco plug.

Spark Plug Type GM P/N 12571164

Spark Plug Type AC Spark Plug P/N 41-985

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May 13th, 2010, 9:58 PM   #4  
CF Senior Member
Shark: No I havent looked in the owners man. at all. I'll check it out tomorrow.

MDTahoe: Thanks for the part numbers, much appreciated. Are the part #'s you gave me for the 100K mile plugs? And does 200 bux sound overpriced for new plugs and labor at the dealership. I wanna try to change them myself, but Im worried I may mess up somehow and screw myself hardcore! hehe! Are the factory plugs platinum?

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May 13th, 2010, 10:15 PM   #5  
CF Active Member
factory plugs are platinum and that is what should go back in. The platinum plugs are not really cheap, the $200 bucks does that also include new plug wires? I can't really say on the price I am not sure what shops charge anymore. But just for plugs I would say it would be in the $150 range or so. If you are unsure about doing it yourself you might just want to pay the money. nothing is worse that costing your self lots of money when you only had to pay a little in the first place. on the other hand it feels great to wrench on things your self and fix it with your own two hands.

Last edited by LARIDERS; May 13th, 2010 at 10:45 PM.
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May 14th, 2010, 7:46 AM   #6  
CF Addict
Plugs are easy. I've swapped whole engines... $ spent on tools is returned 10x over.

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May 14th, 2010, 8:46 AM   #7  
CF Senior Member
LA: The 200 bux is just for plugs only and labor. From what I understand my 07 Tahoe is distributorless so no new wires needed.

Sabr: I think I'll try it, but just not sure what size socket to use. There are sparkplug sockets right? They will hold the spark plug tight while placing them into the head, correct?

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May 14th, 2010, 9:45 AM   #8  
Super Moderator
Hi Typerod,

Welcome to the Chevy Forums.

I don't know about Platinums. However, I can tell you from personal experience, if they are anything like the " 100K Iridiums", I'd change them every 50K.

Sometimes a standard combination wrench will reach in and turn the plug where a plug socket and rachet wont fit.

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May 14th, 2010, 10:22 AM   #9  
CF Beginner
therewolf is right about the 100k Iridiums spark plugs good advice there...

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Global Headquarters in Detroit, MI

May 14th, 2010, 11:02 AM   #10  
Official GM Rep
I did some research on this and I found on the AC Delco site for your vehicle the part number is 41-110. I hope that helps you. I know the others have been doing a great job of helping you already!

Jeff Morris, Chevrolet Customer Service

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