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2007 and newer Chevrolet Tahoe and GMC Yukon

3122 messages,  Last post on Oct 29, 2009 at 11:39 AM

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#3090 of 3122 Re: Whats causing my 03 Yukon XL's battery to die???? [73shark] by gpierce2 Oct 06, 2008 (7:20 am)
Replying to: 73shark (Aug 16, 2008 9:04 pm) Still having this problem with the battery dying after just leaving tailgate opened for around ten minutes (inside lights on )The truck then has to be jump started, I might not have this problem for weeks as long as NOTHING is left on for more than five or ten minutes, Very frustrating!! Can anyone help?? Thanks Gregg Replies to this message: gfraigun (Oct 06, 2008 12:45 pm) kiawah (Oct 06, 2008 2:41 pm) 73shark (Oct 06, 2008 5:46 pm) gpierce2 (Oct 07, 2008 4:08 pm) darleney68 (Jan 22, 2009 1:33 pm) and 1 more...
#3091 of 3122 Re: Whats causing my 03 Yukon XL's battery to die???? [gpierce2] by gfraigun Oct 06, 2008 (12:45 pm)
Replying to: gpierce2 (Oct 06, 2008 7:20 am) If your battery is 3 or 4 years old, I would guess that its just an old battery, and probably time to get a new one.
#3092 of 3122 Re: Whats causing my 03 Yukon XL's battery to die???? [gpierce2] by kiawah Oct 06, 2008 (2:41 pm)
Replying to: gpierce2 (Oct 06, 2008 7:20 am) As suggested, probably a bad battery.   May also have something electrically defective with a very large current drain, but you could check that by monitoring the amount of current draw coming out of the battery while the door is open. If you have a large current drain, then start pulling fuses to figure out which circuit is the draw (blower motors, headlights, heated seats, shorted diodes in the alternator, etc).
#3093 of 3122 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 3122 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 3122 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 3122 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 3122 '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 3122 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 3122 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)

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