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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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#2990 of 3260
'02 vs '05 Denali by kshadek
Sep 26, 2005 (11:12 am)
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I own both a '02 Denali (not an XL) and a '05 Denali XL and I have a question regarding performance. I notice that my '02 seems to have a lot more 'pep' and 'pickup.' I realize that the XL is obviously a larger and heavier vehicle, but I was wondering if anyone else who has driven both years has noticed a difference? The other factor that I think might be affecting the '05 XL is that I have the 20" tire package, which obviously has a little more rubber on the ground.
 
Any comments are appreciated
#2991 of 3260
Re: Bad Actuator in Blower for A/C??? [yukonyoshii] by dakster
Sep 28, 2005 (2:21 pm)
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Replying to: yukonyoshii (Aug 28, 2005 5:29 pm)

YES, I have the some problem, but I was waitng until my next service to complain about it.
 
Did the spray foam work?
 
I never like to bring in outside air, so a permanent sealing is ok by me...
 
2005 Denali XL
#2992 of 3260
Denali Nav System, Lights by peterrollout
Oct 03, 2005 (2:10 pm)
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Just bought a 2003 with NAV. Was driving it back and started getting messages that DVD disk was not reading properly. It stated either disk could be damaged or dirty. I cleaned it repeatedly and got it to work but error message came up again. Thoughts?
I also wanted to ask if anyone has put optional bulbs on theirs and what they recommended. Manual shows 9005s for both high and low.
#2993 of 3260
Re: Denali Nav System, Lights [peterrollout] by cornellpinoy
Oct 03, 2005 (4:00 pm)
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Replying to: peterrollout (Oct 03, 2005 2:10 pm)

I installed Sylvania Silverstar bulbs on my '02 Denali and have been very happy with them. It does have 9005 bulbs for both low & high beam. Still trying to find Silverstar bulbs for the foglights though.
 
Can't help you with your NAV problem - it wasn't available on the '02 models.
#2994 of 3260
Re: '02 vs '05 Denali [kshadek] by acefield
Oct 03, 2005 (4:38 pm)
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Replying to: kshadek (Sep 26, 2005 11:12 am)

I recently bought a 2005 Yukon SLT replacing a 2001 SLT with the exact same 5300 Vortex engine and similiar equipment. My 2001 had considerably more power and acceleration; ran strong. The 2005 is a total dog...Very poor acceleration, feels underpowered, etc. I can't figure it out except that maybe GM has changed something in the computer (timing advance...) to tweak more gas mileage out of it. I loved my 2001, but am quite disappointed in this new one. Am taking it to the dealer this week.
#2995 of 3260
Re: '02 vs '05 Denali [acefield] by circutmann
Oct 04, 2005 (9:14 am)
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Replying to: acefield (Oct 03, 2005 4:38 pm)

Check the rear end (axle) gear ratio of the 05 & that of the 01. My guess is that you probably had 3.73 gears in the 01, and have something much lower numerically, like 3.42 or 3.21 in the 05. The lower numeric ratio should give you better fuel economy on the road, but has less accelleration & towing capacity. If the gear ratios are the same, then I would definately suspect some other problem, as I believe the 05, 5.3L engine is rated at more HP than that of the 01.
 
I currently have an 01 YXL w/ the 5.3L & 3.73 gears & have been satisfied with the performance. My 01 was rated at 14/16 MPG, & I bet your 05 is rated much higher. I even tow a 34' travel trailer, weighing in excess of 8000 lbs w/ no problems. I know I am pushing the limit, but I had the 01 YXL before we upgraded to the bigger trailer. Next time I'll probably go with a 3/4 ton & 4.11 gears for more towing capacity. Enjoy your new truck, & hopefully better fuel economy.
 
Good Luck,
Dave
#2996 of 3260
Re: Denali Nav System, Lights [cornellpinoy] by tdoh
Oct 04, 2005 (11:24 am)
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Replying to: cornellpinoy (Oct 03, 2005 4:00 pm)

I assume you mean that the SS fog bulbs are hard to come by, as opposed to asking if such bulbs exist...in which case, you just gotta search a bit harder.
#2997 of 3260
Re: Denali Nav System, Lights [tdoh] by cornellpinoy
Oct 04, 2005 (5:13 pm)
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Replying to: tdoh (Oct 04, 2005 11:24 am)

That is what I meant - haven't seen SS fog bulbs at any of the auto parts stores I shop at. Not really a big issue for me since I rarely use the fog lights.
#2998 of 3260
'07 roll out by steve_ HOST
Oct 05, 2005 (10:27 am)
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GMC Pulls Wraps Off Redesigned 2007 Yukon (Inside Line)
 
Steve, Host
#2999 of 3260
NAV system software ? by gipper2nd
Oct 06, 2005 (10:23 am)
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I own an '03 Denali with the Nav system. I would like to update the map C.D., but almost choked when the dealer said the cost was $375.00 for a new C.D. Anyone know where to get one other than the dealer? P.S. the one that came with the car was dated 2002.

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