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GMC Yukon / Yukon Denali

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

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

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#3256 of 3260 Re: factory subwoofer option '04 DXL' [denalidad] by fixitrod Apr 24, 2009 (1:22 pm)
Replying to: denalidad (Nov 30, 2008 1:16 pm) The parts bin only has the rear panel which looks like it has a subwoofer but if you look closely thyis is not a grill you cdan see through. Only on the standard DFelco high end streo will a cub be there. I had a 2001 with this scenario. My 2003 came with the Bose setup which is probably what your 2004 has. The amplifier and subwoofer..all 6inches of it are under the center console. Pretty easy to get to. Its a decent system ; all these speakers sound great but remember the fidelity range is very narrow. (I listened to mine for about a year until the head unit broke. I went complete gut and added my own subs , amps etc.) Aftermarket increases this range and allows me to get the volume and flexibility for great bass. Do it you won't regret it if you really like good sounds in your truck
#3257 of 3260 DTC P0101 MAF or VAF chk performance by fixitrod Apr 24, 2009 (1:29 pm)
I got a Chk engine light. I rescrewed the gas cap a couple of times but it came back. I got the code reader out and got the P0101 Mass air flow and VAF. This is one abbreviation I am not familiar with. Any help appreciatedI am not familiar with. It looks like my K&N air filter is pretty dirty so I am going to clean this and see if that addresses it. Any suggestions from the forum needed? I also run a Gibson free flow exhaust so this truck is used to plenty of air if that info will help. I have 4WD, 5.3L 2003 XL Replies to this message: rsht (Apr 28, 2009 5:39 am) fongerelli (Apr 28, 2009 7:02 am)
#3258 of 3260 Re: DTC P0101 MAF or VAF chk performance [fixitrod] by rsht Apr 28, 2009 (5:39 am)
Replying to: fixitrod (Apr 24, 2009 1:29 pm) VAF stands for Vane Air Flow, I heard some call it the Vortex Air Flow ... With the P0101 code, I would try to clean the MAF sensor area first (only use the spraying force from a spray can to clean the sensor area, Do not brush or touch it, see picture in the second URL below), its a good idea to remove the MAF unit from the vehicle for cleaning. Make sure all is dry before installing the MAF unit back on. http://www.crcindustries.com/auto/content/products_ss.aspx?ID=90 http://www.tccoa.com/club/parts_pics/maf.jpg (for illustration purpose only) Replies to this message: fongerelli (Apr 28, 2009 7:02 am)
#3259 of 3260 Re: DTC P0101 MAF or VAF chk performance [rsht] by fongerelli Apr 28, 2009 (7:02 am)
Replying to: rsht (Apr 28, 2009 5:39 am) thanks a lot for the info. I have another question in regards to my autoride adjustment. I have 35 inch Mud terrian on there and I would like to raise it another inch or so without the aftermarket lift kits. I know I can do it by adjusting the small rod on the sensor arm but when I look at it I don't see it twist or anything that shows me that it adjust? Can I fabricate a solid piece of steel and bend it and make it a inch or two longer and install it in place of the plastic rod and will that work to raise the yukon up some more? Help!

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