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GMC Yukon / Yukon Denali

3260 messages,  Last post on Apr 28, 2009 at 7:02 AM

You are in the GMC Yukon Forum. Your Hosts are steve_ & tidester

What is this discussion about? GMC Yukon Denali, GMC Yukon, SUV

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#3223 of 3260 1995 seat wiring by rudepup Jul 28, 2008 (8:23 pm)
Hi, I have a 1995 yukon that had manual seats witha power lumbar control I am converting it to a set of full power ones my wiring harness has two orange and one black wire the new seats have two orange anoe black and one brown. What does the brown do?
#3224 of 3260 2005 Yukon 4wd SLT by gmhellman Jul 30, 2008 (3:06 pm)
I just purchased a loaded 05 Yukon SLT with 56000 miles for 18,550 from a dealer. I am just wondering what things/hardware people have put on their engines to get a better gas mileage return. Has anyone tried these new pulseplugs that I have seen advertised in MotorTrend and TruckTrend? Are they really as good as they say in terms of mileage and gas mpg return vs per se a platinum or platinum four prong plug? K&N air filter vs air intake?   Thanks Replies to this message: obyone (Jul 30, 2008 3:21 pm) rsht (Jul 31, 2008 6:19 am)
#3225 of 3260 Re: 2005 Yukon 4wd SLT [gmhellman] by obyone Jul 30, 2008 (3:21 pm)
Replying to: gmhellman (Jul 30, 2008 3:06 pm) Save your money. Good wires and plugs can be found at any auto parts store as long as they are platinum. K&N? forget it. Course there are a lot of people that have purchased one including me. For myself all I gained was incab noise and nothing as far as mpg. I've uninstalled mine and sold it on ebay.   There are those that will swear to mileage increases and power gains, however, thrown on a dyno will result in an added bill for the dyno testing and results that will certainly disappoint.   My 2 cents.
#3226 of 3260 Re: 2005 Yukon 4wd SLT [gmhellman] by rsht Jul 31, 2008 (6:19 am)
Replying to: gmhellman (Jul 30, 2008 3:06 pm) I would make sure all the oil and fluids are fresh with new filters where applicable. For the engine, transfer case and axles, I would replace the old fluids with synthetic oil and new gaskets. If anything else, I would try a bottle of Fuel System cleaner too. I agree with the "obyone" about using a new set of platinum plugs and good quality spark plug wires. If you only want more power and don't care about the mpg, then consider those after market add-on stuff, like the air filter/kit, flow-through exhaust system and etc. I am one of those people who have been there and done that... and learned my lesson. Oh! also to keep your tire pressure in proper rang will help some too on the mpg.
#3227 of 3260 Thanks for the help by gmhellman Jul 31, 2008 (8:53 am)
I appreciate all of the responses. I am a huge supporter of Mobil 1 synthetic and will use that at the next oil change. I plan on getting a fresh air filter asap and will change the tranny and diff fluids on my next service. The vehicle only has 55000 miles or so on it so when it hits 100000 I will change the plugs and wires. Any comments on a high quality/good reliability brand of air/oil filters, and plugs and wires? This vehicle has been impeccably maintained and I will keep it that way.   Thanks Replies to this message: rsht (Aug 01, 2008 4:35 am)
#3228 of 3260 Re: Thanks for the help [gmhellman] by rsht Aug 01, 2008 (4:35 am)
Replying to: gmhellman (Jul 31, 2008 8:53 am) Likewise, I also use only Mobil 1 on my mine, with AC Delco Oil (PF-48) and air filters. Although I use Mobil 1 synthetic oil, I still change it and the filter every 6 months or sooner. I know there are also other brands of synthetic oil (e.g. Royal Purple, Amsoil and etc.), but I don't quite care for the price nor think their extended oil change recommendation works for me. I just don't feel comfortable change my oil only once a year, seems too long to me.   As far as spark plugs, I only use Denso Iridium plugs; as for the wireset I have not changed mine yet, but will likely to find the replacement when the time comes through the GM parts direct:    http://www.gmpartsdirect.com/results.cfm?perfPackages=1&pkgid=111 But, there are many selections of spark plug wires out there (e.g. MSD, etc...), you may want to make sure length wise fits nicely (or custom fit) and make sure they are 8mm wires.
#3229 of 3260 Re: Parasitic power drain 2001 GMC Yukon XL [ddelay] by nichole523 Oct 31, 2008 (11:32 am)
Replying to: ddelay (Apr 04, 2008 5:35 am) I feel your pain! I have a 2004 Yukon with no instrument cluster and now I have the same problem...did you ever find a solution??? My husband is very good w/vehicles and is at his witts end....high payment, cant afford $365.00 for the cluster let alone to fix this...Im going to have to let it go back. Im not dealing w/this all winter!! Varney's GMC in Bangor, Maine, where I bought this pile of crap, told me this morning that not even they have a solution. Go Figure. I WILL NEVER BUY A GM PRODUCT AGAIN!!!!!! Replies to this message: tidester (Oct 31, 2008 11:58 pm)
#3230 of 3260 Re: Parasitic power drain 2001 GMC Yukon XL [nichole523] by tidester HOST Oct 31, 2008 (11:58 pm)
Replying to: nichole523 (Oct 31, 2008 11:32 am) You may want to write up a review in Dealer Ratings and Reviews.   tidester, host SUVs and Smart Shopper
#3231 of 3260 how do you change the temp from celsuis to fahrenheit in the rear view by mlalarsen Nov 10, 2008 (3:31 pm)
does anyone know how to change the temperature readout on the rear view mirror of an 03 denali from celsius to fahrenheit? I don't have an owners manual and it's driving me crazy that I can't change to fahrenheit and have my readout in celsius...thanks in advance! Replies to this message: steve_ (Nov 10, 2008 3:44 pm)
#3232 of 3260 Re: how do you change the temp from celsuis to fahrenheit in the rear view [mlalarsen] by steve_ HOST Nov 10, 2008 (3:44 pm)
Replying to: mlalarsen (Nov 10, 2008 3:31 pm) I don't know how to fix your temp, but you should be able to download an owner's manual.   How To Find Your Car Owner's Manual Online

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