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2007 and newer Chevrolet Tahoe and GMC Yukon

3125 messages,  Last post on Nov 27, 2009 at 6:32 PM

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#3093 of 3125 Re: Whats causing my 03 Yukon XL's battery to die???? [gpierce2] by 73shark Oct 06, 2008 (5:46 pm)
Replying to: gpierce2 (Oct 06, 2008 7:20 am) Have you had the battery and alternator checked? Have you had the software upgrade for battery rundown installed? Replies to this message: gpierce2 (Oct 07, 2008 4:08 pm) darleney68 (Jan 22, 2009 1:33 pm) hardin_thicke (Jan 23, 2009 2:07 pm)
#3094 of 3125 Re: Whats causing my 03 Yukon XL's battery to die???? [73shark] by gpierce2 Oct 07, 2008 (4:08 pm)
Replying to: 73shark (Oct 06, 2008 5:46 pm) Autozone checked the battery and the it was fine. Thanks for the info. Truck is going in the shop on Thurs. I'll report any findings. G. Replies to this message: darleney68 (Jan 22, 2009 1:33 pm) hardin_thicke (Jan 23, 2009 2:07 pm)
#3095 of 3125 08 and 09 differences? by kennynmd Nov 06, 2008 (11:50 am)
Haven't researched too much, but can anyone tell me the main differences between the 08's and 09's? Thanks Replies to this message: 73shark (Nov 13, 2008 8:48 am)
#3096 of 3125 Re: 08 and 09 differences? [kennynmd] by 73shark Nov 13, 2008 (8:48 am)
Replying to: kennynmd (Nov 06, 2008 11:50 am) Bluetooth, 6 spd tranny, cooled seats, blind spot alert in outside mirrors, Bose Centerpoint sound, third row DVD screen in the 'burbs.
#3097 of 3125 '07 Tahoe Air Deflector under Front Bumper by firesource Dec 15, 2008 (12:58 pm)
Does this sound familiar? Made a tight turn in an off road environment (little clearance) and tore off the air deflector under the front bumper. Dealer quoted $63 to replace, however before I could get around to getting the replacement part --- ran through 2 tanks of fuel (89 oct Reg unleaded).   Ironically I've noticed almost a 10% decrease in avg fuel economy --- 17.8 >> 16.2 mpg   Is this a fluke, or does that black plastic trim piece below the front bumper have an actual purpose / effect on fuel economy.   Stupid question --- don't know. What do you think?? Replies to this message: 73shark (Dec 15, 2008 2:07 pm)
#3098 of 3125 Re: '07 Tahoe Air Deflector under Front Bumper [firesource] by 73shark Dec 15, 2008 (2:07 pm)
Replying to: firesource (Dec 15, 2008 12:58 pm) Not a stupid question but if you had read your owner's manual, you would have noticed that it said to take the lower air dam off when going off-road. And yes it does have an aerodynamic purpose in that it reduces the Cd. But you found that out.
#3099 of 3125 Re: Whats causing my 03 Yukon XL's battery to die???? [gpierce2] by darleney68 Jan 22, 2009 (1:33 pm)
Replying to: gpierce2 (Oct 07, 2008 4:08 pm) Did you ever find out the problem? I have an 07 Yukon that does the same thing (among other electrical issues). I also just had the battery replaced, again. This is the third battery in this vehicle that I have had less than 3 yrs (31K miles). Just curious to see how yours was diagnosed. I think mine is a big fat Replies to this message: hardin_thicke (Jan 23, 2009 2:07 pm)
#3100 of 3125 by 73shark Jan 23, 2009 (1:21 pm)
Did you get the software upgrade that was supposed to fix the "battery rundown" condition?
#3101 of 3125 Re: Whats causing my 03 Yukon XL's battery to die???? [darleney68] by hardin_thicke Jan 23, 2009 (2:07 pm)
Replying to: darleney68 (Jan 22, 2009 1:33 pm) For your '07, you need to have Service Bulletin #07033 performed. It's a reflash. Afterwards there will be a sticker affixed to the left side/front under the hood. I had mine done and haven't had a problem since.
#3102 of 3125 Re: service park assist sensor . [yukontouareg] by tgeorgelas Feb 02, 2009 (4:34 pm)
Replying to: yukontouareg (Mar 25, 2007 6:06 am) I have the same problem with a 2007 Tahoe. Right rear sensor was probably damaged when my wife backed into a parked car(very slight rub on the bumper near that sensor) and the "Service Park Assist" keeps on when you start the car. How did you ever resolve your issue?

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