Article Comments - 2007 GMC Sierra Denali Full Test

128 messages, Last post on Mar 28, 2009 at 1:25 PM

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Article comments for Full Test: 2007 GMC Sierra Denali - The 2007 GMC Sierra Denali is GM's top-of-the-line luxury pickup, but it emphasizes the truck part of the equation as much as the luxury part. (more)

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#98 of 128 Personal attacks... by kcram HOST Aug 28, 2007 (2:33 pm)
...can and will get you shown the door. Knock it off. kcram - Pickups Host
#99 of 128 Hey skytop by obyone Sep 03, 2007 (10:32 pm)
Do you see any issues that may be listed in the TSBs below? This isn't a current list as it doesn't have June-Aug 07. What might help you at a dealership is if one of your problems is listed. You could print it and take it to the dealership. Automotive Recall and Technical Service Bulletin Titles for 2007 GMC Truck Sierra Denali AWD V8-6.0L. TSB Number & Issue Date TSB Title 06-00-89-029B MAY 07 Interior - Cleaning Seats, Carpet, Leather, Vinyl 07-08-50-010 MAY 07 Seats - Squeak Or Creak On Driver Side 07-06-04-013 MAY 07 Engine Controls - Chuggle, Surge or Hesitation 07-07-30-010 MAY 07 A/T Controls - Snapshot Data Information 03-06-04-030D MAY 07 Fuel System - MIL ON/DTC's Set/Driveability Problems 07-07-30-008 MAY 07 A/T - 4L60-E/4L65-E/4L70-E Production Update 06-08-64-027B APR 07 Body/Instruments - Outside Mirror Glass Shake/Flutter 00-00-90-002F APR 07 Tires - Proper Inflation Pressure Information 05-08-51-008B APR 07 Body - Bumps or Rust Colored Spots in Paint 07-08-44-008 APR 07 Instruments/Audio - No Speaker Audio/Warning Chimes 07-08-63-001 APR 07 Body - Polypropylene Energy Absorber Replacement 02-06-03-008B APR 07 Charging System - Low Voltage Display/Low/Dead Battery 07-08-44-007 APR 07 Navigation System - Replacement Navigation Discs 07-03-10-008 APR 07 Tires - Slight/Mild Tire Feathering information 05-06-01-010A APR 07 Engine - Sealant Usage/procedures 01-06-01-011D APR 07 Engine - Oil Consumption Guideline Info. 07-08-98-001 APR 07 Body - Non-Approval of 'Clipping' for Collision Repair 02-08-42-004A MAR 07 Instruments - Reduced PRNDL Display Visibility 07-08-48-001A MAR 07 BULLETIN CANCELLATION NOTIFICATION 07-07-30-006 MAR 07 A/T - MIL ON/Various Performance DTC's Set 07-08-47-004 MAR 07 Body Control Module - Ground Connection Precautions 05-09-40-002A MAR 07 Restraints - Seat Belt Operating Characteristics 06-06-05-001A MAR 07 Fuel System - Exhaust Note Change in 4 Cylinder Mode 07-02-32-002 MAR 07 Steering - Fluid Leaks From Steering Gear/Rack Assembly 07-08-66-003A MAR 07 Accessories - Tool Box Lock Cylinder Won't Unlock 06-06-03-013A MAR 07 Body Controls - Low Battery Voltage/DTC B1405/B1516 07-06-01-004 MAR 07 Engine - Oil Leaks/Low Oil Lamp ON 02-08-46-007B MAR 07 OnStar(R) - Loses GPS/Can't Renew Hands-Free Minutes 06-08-50-009A MAR 07 SRS - Front Passenger Seat Alteration Precautions 07-06-01-002 MAR 07 Engine - Revised Connecting Rod Bolt Torque 03-06-05-008D MAR 07 Exhaust System - Popping/Snapping Noise When Hot/Idling 07-08-51-001 MAR 07 Body - Liquid Applied Sound Deadening Materials. 05-06-01-034E FEB 07 Engine - Oil Leak From Rear Cover Assembly Area 07-08-49-003 FEB 07 Instruments - Engine Hour Meter Reading Transfer 05-03-10-005B FEB 07 Wheels/Tires - 'Upsized' Wheel & Tire Information 07-08-110-002 FEB 07 Body - Door Trim Gap at Rear of Door 07-06-03-002 FEB 07 Battery - Cable Clamp Inspection 04-07-30-013B FEB 07 Engine, A/T - Shift/Driveability Concerns/MIL ON 07-09-41-002 JAN 07 SRS - Air Bag Lamp ON/DTC B0081 Set 07-08-49-002 JAN 07 Interior - Front/Rear Drink Holder Won't Retain Drinks 06-09-41-004B JAN 07 Interior - Passenger Air Bag Not Flush With Dash 06-00-89-051A JAN 07 Locks - Key Code Securtiy Rules & Information 02-08-98-002B JAN 07 Body - Hem Flange Repair 05-07-30-018A JAN 07 A/T - Cold Weather Shift Characteristics 04-06-04-054A JAN 07 Engine Controls - Aftermarket Accessory Usage 00-03-10-006B JAN 07 Tires - Radial Force Variation (RFV) Information 07-08-44-001 JAN 07 Audio System - Antenna Mast Design Differences 99-09-40-005D DEC 06 Restraints - Availability of Seat Belt Extenders 03-07-30-007C DEC 06 A/T - Seemingly Slow 'Garage' Shifts 06-08-51-005 DEC 06 Body - Hem Flange Sealer for Corrosion Protection 02-07-30-001E DEC 06 A/T - Diagnostic Info on DTCs P0894/P1870 06-01-39-014 DEC 06 A/C - HVAC Control Module Lockup During Reprogramming 06-03-16-003 DEC 06 Tire Pressure Monitor - Recongizing/Avoiding Damage 00-05-22-002I NOV 06 Brakes - Brake Warranty Service and Procedures 06-05-22-007 NOV 06 Brakes - Rotor/Drum Refinishing Labor Operations 06-00-89-054 NOV 06 Warranty - Claims Submission 04-06-01-029A NOV 06 Engine - Unnecessary Flushing Services 04-06-04-047G NOV 06 Fuel System - TOP TIER Detergent Gasoline 05-06-04-022C NOV 06 Fuel System - TOP TIER Detergent Gasoline Usage 06-00-89-050 NOV 06 Warranty - DTC's Required On Repair Orders 06-08-45-010 NOV 06 Electrical - Ignition Switch Diagnostic Tips 03-08-48-006A NOV 06 A/C - Rear Window Defroster Tab Repair 06-05-25-004 NOV 06 ABS/TCS - Rear Wheel Speed Sensor Data Reversed 01-07-31-002B NOV 06 M/T - Hydraulic Clutch Bleeding Procedure Improvement 06-08-45-009 OCT 06 Electrical - Various Electrical System Malfunctions 06-00-89-047 OCT 06 Body - Lock 'Cylinder Kit' Availability 01-08-42-001D OCT 06 Lighting - Replacement Guidelines for Lamp Condensation 06-02-32-013 OCT 06 Power Steering - Diagnostic Tips 06-08-44-036 OCT 06 Audio System - Radio Switches From XM to AM By Itself 06-08-44-037 OCT 06 Navigation/Radio - Error Messages/Low Volume 06-06-03-009 OCT 06 Electrical - Battery Goes Dead Overnight 06-08-45-008 OCT 06 Electrical - Trailer Brake Controller Wiring Information 00-06-04-033B OCT 06 Emissions - OBDII I/M Readiness Testing 02-08-98-001C OCT 06 Body - Metal Panel Adhesive Bonding Information 06-08-50-012 OCT 06 Interior - Front Power Seat Adjust/Memory Inoperative 06-08-44-033 OCT 06 Audio System - Poor AM/FM Band Reception 06-08-44-031 OCT 06 Audio System - Pop/Buzz/Whine/Distortion From Speakers 06-08-44-032 OCT 06 Entertainment System - Rear DVD Screen Blank/Inoperative 00-00-89-027D OCT 06 Interior - Eliminating Unwanted Odors 04-03-10-001C OCT 06 Tires - Tread Puncture Repair Procedures 05-03-07-009A SEP 06 Wheel Alignment - Recommendations/Requirements 06-06-04-042A SEP 06 Engine Controls - SES Lamp ON/DTC's P2108/P1516/U0107 04-03-10-012A SEP 06 Wheels - Pitting/Brake Dust On Chrome Wheels 05-00-89-078A SEP 06 Fuel System - GM Fuel System Treatment Plus(R) 01-07-30-038D SEP 06 A/T - Poor Performance/MIL ON/DTC P0757 00-08-48-005B SEP 06 Body - Distortion On Outer Glass Surfaces 06-06-04-046 SEP 06 Engine Controls - MIL ON/Misfire/Misfire DTC's Set 06-06-05-005 SEP 06 Exhaust System - Residue On Exhaust Resonator 06-08-111-004 SEP 06 Body - Exterior Emblem Discoloration/Peeling/Blistering 06-03-10-010 SEP 06 Wheels - Changing Procedures/Precautions 05-06-02-002A AUG 06 Cooling System - DEXCOOL(R) Leak Detection Dye 03-07-29-004C AUG 06 M/T - Normal Operating Characterist Replies to this message: skytop1 (Sep 04, 2007 4:16 am) tadb1973 (Sep 14, 2007 2:03 pm) skytop1 (Sep 04, 2007 5:11 am)
#100 of 128 Re: Hey skytop [obyone] by skytop1 Sep 04, 2007 (4:16 am)
Replying to: obyone (Sep 03, 2007 10:32 pm) Obeyone: I never saw that list. Thanks for your thoughtfulness and help. It sure is a long list....and that is just one model vehicle! There are a number of items that are pertinent to my Denali. Replies to this message: tadb1973 (Sep 14, 2007 2:03 pm)
#101 of 128 Re: Hey skytop [obyone] www.Ripoffreports.com by skytop1 Sep 04, 2007 (5:11 am)
Replying to: obyone (Sep 03, 2007 10:32 pm) Obyone: I was searching for a site to read the TSB summaries. The TSB codes on the list are not recognized on the NHSTA site. When I search for the Denali, the NHSTA site only recognizes the Sierra 1500 and does not identify the Denali. Any suggestions, please? Interestingly, during a search, I came across a site called: www.RIPOFFREPORT.com Mind you, this site allows people to report on all manufacturers or company conduct, not just GM. I clicked on the search engine link and was presented with a chap who was having a major problem with a GMC Sierra transmission back in 2001 similar to what I am having now in 2007. Looks like GM is still up to their old tricks with business as usual. "Still crazy after all these years!" http://www.ripoffreport.com/reports/0/042/RipOff0042282.htm
#102 of 128 For a detailed description of the TSB list you can try by obyone Sep 04, 2007 (5:24 am)
these sites: (sorry none are free) http://www-odi.nhtsa.dot.gov/cars/problems/tsb/tsbsearch.cfm http://www.alldatadiy.com/ I would use the alldatadiy site as you can obtain the data instantly rather than request and wait via the NHTSA site.
#103 of 128 Re: Hey skytop [skytop1] by tadb1973 Sep 14, 2007 (2:03 pm)
Replying to: skytop1 (Sep 04, 2007 4:16 am) Hey All, Was just doing some research online about the transmission of my 2007 Sierra Denali AWD...black on black....beautiful. Ive had it since March and now have 9,000 miles on my truck. Im a car guy and really enjoy fast, good-looking vehicles. My Denali has been in the shop 4 times since Ive had it. These were the problems. The driver door leaked buckets in the first rain. At first they couldnt replicate the issue in their "rain simulator" (didnt believe me)...so I left thinking maybe I left the window cracked or something. Same thing happened again the next rain...went back...they figured it out this time...they had to adjust the window glass on its track and that fixed it. A few weeks later, the sunroof leaked and stained my headliner. That sucked. Took it in...they trimmed some plastic in the sunroof gutter so the water could drain properly. No problem. Then my bumper came loose and almost fell off while driving...somebody in traffic let me know what was happening (really embarrasing) Took it in. Loose bolts apparently. Dealer fixed it. My driver seat belt started clicking very loudly and pulled halfway out of the retainer...it was "adjusted." As i drove away it did it again...turned around and showed them it wasnt fixed...they told me there was no way to fix this problem...oh well...the truck still looks good. To the good stuff...when my truck hit about 1,000 miles...the transmission started to buck and slam occasionally while driving on the highway. No too bad though...Ive had a few Jeeps that kinda did the same thing. As long as I babied the gas pedal...no sudden accelerations or sudden "foot off the gas" moves...no problems. I lived with this for several thousand miles now...the slamming and bucking of the transmission is worse than ever. Sounds like it is coming loose from the engine block! Very loud! Ive been working a thousand miles from home for the past 3 months and hate to take this to a dealer im not familiar with...and from past experience...a dealer hates to service a truck they didnt sell! My point is...I gotta agree with what skytop says about this truck....its a piece of shit (still fast as hell and good looking though!) Im bad with money and seem to get screwed in most things in life...i will chalk this one up with all the rest of lifes disappointments and not worry about blaming GM. Hopefully things work out for me...ill let you all know how the dealer treats me when I get back home. Hopefully the tranny doesnt fall out in the meantime!
#104 of 128 2007 Sierra Denali Update by 1oldcarguy Sep 16, 2007 (7:56 am)
Now that a few more weeks and miles have past, a few more ownership observations for your reading entertainment: The transmission clunk/jerk is still there, intermittently, especially at low speeds. Transmission upshifts are not as progressive/quick as they should be either. (probably the computer program is backing off on too much engine power) Symptoms are less pronounced if you do not drive with a heavy foot, but very disappointing that this isn't a crisply shifting tranny. ('Sky Pilot Guy' can be the poster boy or hero for this one. Gas mileage on the highway is still 19.5 -20 mpg, if you set your cruise control at 65mph and hope to hell nobody goes up your tail pipe. The engine still feels very 'tight', definitely does not yet feel like 400+ hp and 400+ lbs. of torque. The ergonomics team should be taken out and given more than a few hard dope slaps: "Dress'em up as seals and feed them to the sharks. With contol buttons nearly all the same shape and many the size of an overgrown match stick head; more and more do you have to take your eyes of the road to read/see what control to aim your finger at. This situation is definitely 1 step forward , 3 steps back.... Design without practical function is art and belongs in a museum. Put all that stuff in an Boy Racer, paint it red, lower it and call it an SS Chevy. Or, keep the bling in the Caddy. What the hell happened to controls you could locate, distinguish and operate with your eyes shut ? Don't try to put a chain around your front tow hooks as you will wipe out the plastic chrome housing. Don't look for foot-well lighting, door panel safety lamps or even a dedicated change holder. They are history. I would trade the standard remote start feature in heartbeat for some of the "de-contented stuff mentioned here and in our earlier post. Besides, how "Green" can GM be, promoting a 400hp engine running without a driver ? Don't look too close at the $2000.00, 20" chrome wheels either. Ours has plating so thin that the unfinished rough sanding marks beneath the surface are quite visible. I've seen better quality from China. Lack of a telescoping steering wheel has been mentioned by many trade reviewers and I will add another dope slap to those responsible bean counters for that omission as well. (I wonder how the $60,000+ Escalade owners feel about that) Overall 'build' seems good thus far. No squeaks or rattles. The ride is compliant and mostly quiet, although we have some wind noise at the drivers upper window/door area. I do not like the extra ride height of this truck. I do not think anyone is really planning any real 'off road' excursions with their Denali. I would rather have a lower center of gravity, especially when towing a trailer or swerving around a deer in the highway at 65mph. And the extra ride/height/design of the hood renders the present fog lamps visibility/effectiveness to about useless. The front seats to me seem just ok. Not enough lumbar support and no side support. The 500+ page owners manual does not fit in the glove box although there is a slot in the center console for it. For us, the top of the center console is too high for an arm rest now that the dedicated seat arm rests have gone missing. The center console is not divided and it becomes a dark hole with everything falling to the bottom. Not even a clip or two is provided that will hold a pen/pencil. And the console top cover hinge should be on the side. (not at the back) The exterior design gets a thumbs up from most who like trucks. Many like the "in your face" design of the front grill, but also realize the front end has the aerodynamics of a brick. 0% financing for 60 months and the 100k mile powertrain warranty is what did it for us or we would not have given up the '04 Quadrasteer Sierra Denali for this new design. That prior truck had enough of the right stuff for us, that without the above mentioned perks, my employer would have looked for another 2004 low mileage Sierra Denali. I hope you guys continue to add honest and critical comments here when justified. We all bought American for a reason, so maybe we can have a small part in refining what we use everyday. Replies to this message: gmsutton (Oct 22, 2007 8:51 am) markisliev (Oct 22, 2007 8:58 am)
#105 of 128 Went to the track... by markisliev Oct 21, 2007 (4:06 pm)
Took my 2wd Sierra Denali to the track on Friday. Ran 13.9898.98 mph...on 3 mod's. Intake, exhaust, and tune. My very 1st run I trapped 99.49mph.... I think that is crazy for a big truck! Replies to this message: obyone (Oct 21, 2007 11:30 pm) markisliev (Oct 22, 2007 5:16 am) 2007denali (Nov 30, 2007 1:52 pm) markisliev (Nov 30, 2007 2:28 pm) duke70301 (Dec 26, 2007 9:00 am) and 3 more...
#106 of 128 Re: Went to the track... [markisliev] by obyone Oct 21, 2007 (11:30 pm)
Replying to: markisliev (Oct 21, 2007 4:06 pm) Did you run it before the tune to see the difference? Replies to this message: markisliev (Oct 22, 2007 5:16 am)
#107 of 128 Re: Went to the track... [obyone] by markisliev Oct 22, 2007 (5:16 am)
Replying to: obyone (Oct 21, 2007 11:30 pm) No, I never ran this truck at the track b4. I'm 2wd, there are a couple of bone stock AWD's that have run 14.4 and 14.6 at the track. You can go to denalitrucks.com for more info.... I put down 350 rear wheel HP with just a intake and tune, I never dyno'ed since adding an exhaust. people at the track could not belive I was running that fast with minor mods. Folks were looking under the hood for NOS....LOL!