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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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What is this discussion about? Chevrolet Tahoe, GMC Yukon, SUV

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#886 of 3122 Re: Cold Air Intake [awf_axis] by tdoh Apr 26, 2006 (1:10 pm)
Replying to: awf_axis (Apr 25, 2006 2:25 pm) Keep in mind that when such numbers are posted, they're typically max HP figures...rather than the gain across the entire powerband. Example--a CAI w/ an "advertised" HP gain of say, 10 HP...what the manufacturer more often than not won't tell you up front is that that 10 HP gain was at a particular engine rpm--usually in the higher limits (relatively speaking, depending on engine redline). Many of these CAIs--and other aftermarket automotive performance products--will not produce those high-number gains where it really matters most...in the 2000-3000 rpm range. Wouldn't be surprised if the HP gains in the 2000-rpm band amount to maybe 3-4 HP at most. Think about it--how many consumer-oriented (i.e., street-legal) CAIs can produce dyno-proven high double-digit HP gains from 0-to-redline? NONE!!!!!   Not to say that CAIs are a complete waste of money, but don't get too swayed by those HP-gain figures...like I said, they represent max gain at a particular point in the powerband. Replies to this message: junglegeorge (Apr 27, 2006 4:09 am)
#887 of 3122 2007 Yukon - 1K report by davidbever Apr 26, 2006 (6:48 pm)
I've now got 1K miles on my new fully equiped Yukon - here is the results:   1. Drives much better than my 2002 Yukon 2. Rear camera boots too slow after start to be effective 3. One tire pressure monitor reads 8lbs low - causes idiot light when cold 4. Electric rear door and rear seats are a big waste - car wash guys can't figure out how to open rear, motors under seat take up too much room. 5. With rear seats removed, remaining tracks don't allow things to lay flat 6. Middle row seats aren't removeable, and may get in the way of larger items 7. Nav and radio system are a pain to use when driving - too many features blocked when moving 8. Nav warning screen is really annoying 9. V8/V4 seems to work well - concerned with future performance 10. Battery voltage indicator seems to randomly be between 10 or 14volts - no correlation to the real voltage 11. Nav system - when using to guide you, provides split screen with map and list of next offramps - no way to turn off list and just display map (too small to use) 12. Impressed with Nav details and accuracy in town, but not impressed with ability to find shortest route (from LA to Big Bear - wanted to take me 100miles out of the way - not even close to right) Replies to this message: bigjohn101 (Apr 26, 2006 9:05 pm) jerrywimer (Apr 27, 2006 3:36 am) justamom2 (Apr 27, 2006 5:49 am)
#888 of 3122 Re: 2007 Yukon - 1K report [davidbever] by bigjohn101 Apr 26, 2006 (9:05 pm)
Replying to: davidbever (Apr 26, 2006 6:48 pm) More info about item #10: Battery volt gauge -- It's accurate. GM is using a newer type of alternator and/or voltage regulator! .. It does have random output voltage ... AND sometimes it will turn OFF the alternator output voltage totally if it senses that the battery is fully charged. .. At those times you are running on battery power only .. Why?? .. less load on the engine .. More fuel mileage!! ---   More about fuel mileage .. With the DIC turned to instant fuel mileage .. watch the readout when the AC is cycled ON then OFF. .. It uses a lot more HP than you think! ---   Item #9: The heart of the new V8/V4 system is the lifters! .. For future performance & long engine life there is nothing more important than changing your oil! ---   Item #4: Power rear door .. IMHO it's great! ---   Item #6: For larger items .. I have been using various size trailers & types for years! .. It saves a lot of wear & tear from being put on your vehicle. ---   Item #4: IMO .. it's better to have a larger seat motors than ones that are too small that could burn or wear out premature. ---   FYI .. I did not order the NAV, rear camera, & 3rd seats. .. BUT .. the XM SAT radio & with Bose speakers and with the steering wheel controls IS .. The best GM sound system that I ever had!!
#889 of 3122 Re: 2007 Yukon - 1K report [davidbever] by jerrywimer Apr 27, 2006 (3:36 am)
Replying to: davidbever (Apr 26, 2006 6:48 pm) And for #11, you may want to reread the Nav's instruction booklet. There were instructions for the previous nav system (2006 and earlier vehicles) to allow switching between splitscreen and fullscreen maps. Having seen salesmen at my local dealership playing with the nav in a 2007 Tahoe LTZ, I witnessed the map in fullscreen view. So there has to be a way for the new ones too. Replies to this message: justamom2 (Apr 27, 2006 5:49 am)
#890 of 3122 Re: Cold Air Intake [tdoh] by junglegeorge Apr 27, 2006 (4:09 am)
Replying to: tdoh (Apr 26, 2006 1:10 pm) Thanks for the info. I just got my hands on a copy of a recent 2007 Tahoe dyno test. Naturally, the test results were supplied by the manufacture of the CAI, although the tests were impressive, they did prove your point. The test indicated an increase of 22 HP and 28 Lb-Ft. If you study the tiny graft, you will see that most of the extra ponies are at the top of the RPM range. Looks like it is pretty much a wash until you reach 3000 RPM, then you pick up 8 HP 3500 RPM, 10 HP 4000 RPM, 18 HP 4500 RPM, and finally 22 HP 5000 RPM. I will probably still pick one up, if I can get the right price, as it will probably help with the trail load on long hills.
#891 of 3122 Re: 1k on 2007 Tahoe [07tahoeguy] by junglegeorge Apr 27, 2006 (4:16 am)
Replying to: 07tahoeguy (Apr 22, 2006 11:05 am) I spent quite a bit of time on the phone with GM/Chevy yesterday trying to figure out how to obtain a costumer loyalty coupon to use on my recently ordered LTZ. Bottom line – “It’s not going to happen” Apparently GM/Chevy picks the recipients of its customer loyalty program at random. It does not count if you have purchased a new Chevy truck every 2 years for the past 30+ years the process is random. The customer service rep, and supervisor were both very polite and well scripted, stating that they receive many requests and comments related to this process, however they could do nothing. IMHO this sucks. Replies to this message: shyness36 (May 17, 2006 1:28 pm)
#893 of 3122 Re: 2007 Yukon - 1K report [jerrywimer] by justamom2 Apr 27, 2006 (5:49 am)
Replying to: jerrywimer (Apr 27, 2006 3:36 am) it does go to full map view....I have used it several times that way...although I prefer the exit by exit map myself...play around with it...it does go to full map!
#894 of 3122 What Tire Pressure? by jocatch Apr 27, 2006 (7:49 am)
I have had my 2007 Tahoe for one week now and the only thing I noticed that may not be set right from the dealer is the air pressure in the tires. I got the 17" standard tires which are Bridgestone Duellers. According to the DIC, the air is 37 PSI in each one. The tires look like they can handle up to 44. I would like to ge a little bit better mileage and I am thinking 7 PSI below max is alot. What is everyone else using for normal driving? P.S. The spare is a Goodyear Wangler but the others are Bridgestone. Strange? Replies to this message: bigjohn101 (Apr 27, 2006 10:30 am) alston28 (Apr 27, 2006 2:31 pm) 73shark (Apr 27, 2006 3:21 pm)
#895 of 3122 PASSLOCK 2 ANTI THEFT by ronhere24 Apr 27, 2006 (8:39 am)
hello from ct. i am picking up a new 2007 lt2 white tahoe tomorrow night from my dealer. I was reading about the passlock2 system and i said that it comes from the factory with a setting thats anti start unless you have the key. it said you have to specifically set the alarm to trip if the doors are opened when the alarm is set????how was everyones configuered when they bought it??? is this a effective alarm system???how easy is it to defeat?? Replies to this message: 07tahoecop (Apr 28, 2006 4:18 pm)

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