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2007 and newer Chevrolet Tahoe and GMC Yukon
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Comments
On the tire sensor issue. I had my optional 20" chromed. When they put them back on, the left front didn't reset. Now I have the light going off and the DIC telling me to check the sensors. My tire is pumped up!! I can see this and don't need a computer to let me know!! What a pain to have to take it in for this. The wheel place wouldn't take responsibility. Said the dealer would have to fix it. Not exactly warranty work though. However, the wheels look awesome!!!
One other "customizing" item I recommend - take off the awful gold bow tie on the rear!! It was $150 for the local body shop to take it off, fill in the holes and repaint. The best $150 I've ever spent. It looks fabulous.
I haven't noticed any leakage from our sunroof inside our Suburban.
You need to push back on your dealer and GM to fix your vehicle, there should be no water leakage into the vehicle. Maybe the drains are plugged (fine dust/sand?) or incorrectly installed, have them checked. They should be able to add water to the drip pan and observe the pan empty and drain out OUTSIDE the vehicle. Sometimes dealers don't want to spend the diagnostic time or don't know what to do so keep complaining until the issue is resolved.
Also keep your Tahoe well ventilated - water can cause all sorts of issues - smells, mildew, mold, rust, so keep it dry until it's fixed. I'd throw a piece of plastic over the sunroof to keep the water out if possible.
Good luck
-- Gregg
Boston, Mass (where's it's raining now)
I really like the design and polished aluminum is OK but my idea of polished aluminum is something very close to chrome. Chevy obviously has a different idea.
Do you know if there is anyway to increase the pressure coming out of the nozzle?
Otherwise bring it back to your dealer for help.
--Gregg
Boston, Mass
This past Wednesday I took my 3-month-old Tahoe (with just under 6k miles) back to the dealer for the third time because of poor MPG. As I have previously stated in earlier posts, my Tahoe is equipped with the 3:73 gears and best MPG I have obtained on a trip is 17.4 with a average trip MPG of 16.2. Around town, I am averaging 12.5. Both the dealer and GM are finally taking this very seriously, they have had it for 2 days (actually working on it continuously) and just informed me they will continue working on it today, however I will have use of it for the weekend. I know that the dealer has road tested the vehicle and sent the GM engineer electronic snapshots of how the vehicle is actually performing. The dealer fully admits that on the open road test drive, he was not able to obtain the 17.4 MPG that I reported, and actually only achieved 16 MPG. GM’s first response was that I was using E-85, which is not available in upstate NY. Now they are looking at a host of things from fuel trim, sensors, and programming. This is their last chance before the vehicle is eligible for buy back under the NYS lemon law, they only get 3 attempts to fix the same issue). I am not looking for a buy back at this time, however want to at least achieve the MPG I was obtaining on both my 03 and 04 Tahoe. It took the lemon law to push the issue to the point that they are now taking the issue seriously. I will keep you posted George
What would happen if GM stopped spending $100's of millions on fanciful advertising...and got serious about meeting product performance claims?
I have Tahoe LTZ I purchased in March 2006. I am actually getting better milage than my '99 (6) Cyl Explorer.
Generally, on a 250 mile trip from Massachusetts to Maine which I do once a month, I get 20- 20.2 MPG on average. That is including a 15 mile stretch of bumper to bumper traffic each way. Shave off 1 mile mpg with the A/C on.
In the ciy, I average 16.8 - 17.2, generally. However, just today, I came back fron a 1200 mile trip to Canada travelling via New England - I averaged 17.8 MPG. I claim this based on the essessive climbing the vehicle needs to do on the mountainous highway terrain.
Few pointers I learned. You will get better mileage while the vehicle is on 2 wheel drive as opposed to AWD. Many people do not realize this. Also, I am sure you have seen this in many 07 Tahoe threads - driving behavior is a big factor.
Hope all goes well - To date, I have nothing but good things to say about my Tahoe. Except, perhaps for more rear end space. Need to remove the third row seat for any long trips. Will need to consider to get a Thule.
Good Luck
___________________________________________________________
Hey Normy, better be prepared for a blast from "rspencer".
He doesn't think anyone is getting this type of city mileage. I know it is possible as get that regularly with my '06 Suburban.
To those ends, we will be shutting down the general make/model discussions and work exclusively with specific issues. This requires us to populate the make/model subsections with relevant, interesting and timely topics. Rather than having the hosts simply create boilerplate topics for each make/model, we feel that you, the owner, the make/model enthusiast and the prospective buyer can best judge what those topics should be.
You can help by adding a discussion (it's easy!) or suggesting one here.
To add a discussion, click on the last link in the "You are here" line at the top of this page. That will take you to the topic page for this make/model. Review the list of topics and click on the "Add discussion" link when you've decided what topic you'd like to add. Follow the directions and you're done! Feel free to add more than one. Just avoid duplicating existing topics and try not to make it TOO specific!
Your help and continued participation in the Forums is greatly appreciated! Thanks.
I don't want to read messages about Tahoes. I want to ONLY focus on 2007 Tahoe issues - ALL of them. :confuse:
Phil
Good job Edmunds!
Nothing is more frustrating that to go thru dozens of posts for all years (versions) of vehicles. The Ford Truck Enthusiasts website is a good example of how to break-up into meaningful pieces, while still allowing global searches.
Joe
If you track the Chevrolet Suburban & Tahoe group here, then you can follow all the discussions, or decide just to track the ones about, say, transmission issues or tires. Seems like that would let you organize your browsing easier if you don't want to track every post about the Sub/Tahoe.
The Advanced Search on the left sidebar is our global search; it doesn't seem that most people want to search that way though. But it'll continue to be available.
The email notification will pick up every Suburban post too I guess. I don't use it but it's similar to tracking and you can turn it on for any or all of the Suburban discussions.
Lots of people just Browse by Make/Model using the link on the left and click through from there. But tracking is more efficient imho, and it will pick up any new post in the ~47 Sub/Tahoe discussions that you subscribe too.
By just subscribing to this discussion, you're missing the 2007 Tahoe/ 20"Wheels one, so that's another reason to regularly check the top level group if you aren't tracking all the discussions in it.
Having said that, I've never failed to get EPA estimates when I drive sanely and maintain my vehicles. And I'm tiring of this topic quickly.
Legislative action? Oh yes, we have that now.
Why does it take federal legislative action to correct a product performance claim problem? Why has U.S. EPA not changed it's methods of estimating fuel ecomnomy for 21 years? Why did it take a mandate in the U.S. Energy Policy Act of 2005 to effect change in fuel economy estimates?
Section 774 of EPACT 2005 instructs the EPA to create new fuel economy measurements that more accurately reflect today’s speed limits, city driving conditions and the use of air conditioning and other fuel depleting features.
Was it reasonable to use 45 miles per hour as the representative highway speed for testing for 21 years?
Are city driving conditions in Los Angeles representative of most city driving conditions in our country?
Do we not use A/C to survive the heat and humidity in places like the south half of the U.S.?
Please don't take my word for it.
From the U.S. Senate Committe on Energy and Natural Resources...
Chairman's statement:
“The EPA hasn’t updated fuel economy estimates since 1985. We instructed the EPA to update their fuel economy estimates after hearing from frustrated and disappointed consumers who weren’t getting the mileage from their vehicles that advertisements had led them to expect.
“I consider this provision in the energy bill one of the most potent consumer protections in the bill. It will literally influence how American consumers spend tens of thousands of dollars. Buying a vehicle is one of the most expensive choices a family will make. With gasoline hovering at $2.50 a gallon, fuel economy estimates play a huge role in that choice. I am pleased that the EPA is moving swiftly to implement this provision in the energy bill.”
highway figure.
------------------------------------------------------------
GM global marketing isn't stupid. They are smart guys. They got the same MBA I got. They know a good thing when they see it. Why would they contradict innaccurate EPA "estimates" when...they favor Sales of GM products?
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ahightower says, Having said that, I've never failed to get EPA estimates when I drive sanely and maintain my vehicles. And I'm tiring of this topic quickly.
You may be tiring...but you won't be getting the 16 - 21 MPG fuel economy in a Tahoe anytime soon.
Sanity and maintenance have nothing to do with it.
The basic physics of a 5.3L V8 pulling a 5500+ lb load with the a/c on...the cumulative member experience documented many times over on this forum...my 13-14 mpg o/a....the independent 3rd party fuel economy testing done by Consumers Union of 9 MPG city...Edmunds.com's long term Tahoe testing 12.5 MPG...the U.S. Senate Energy Committee's research...all these data sources explain why. They get it.
I get it.
As far as those quoted magazine results for fuel economy, in Edmunds' blogs they've admitted that where and how they drive may effectively lower their overall averages (I criticized their Camry / Accord for only returning between 22 and 25mpg the way they drive). I agree that the EPA city test using "LA" as the standard is unrealistic. Much of the rest of the country comes nowhere close to being as congested as LA for our city driving, so we get higher city numbers.
I fully expect to be over 17 mpg at next fillup. Most likely even over 18, despite the amount of time spent burning fuel while not moving or barely moving.
If you'd like to see my overall observations, check out the EPA's fueleconomy.gov web site. I've logged my 2007 Avalanche 4x4 5.3l information there. I haven't entered the past month or so worth of info quite yet, but those are in line with what's already up there. And I assure you, these are manually calculated numbers, and they are also above what you think can be obtained.
One other thing it tells you is that some people drive in more extreme conditions than others. That's why I agree that the LA driving pattern doesn't match the rest of the country. That sort of traffic is worse than even my recent round of house browsing on overall mileage. ANY vehicle allowed to sit in stop and go traffic will see it's numbers dropping, because it's essentially getting 0 mpg during the whole time it's running but not moving.
Aren't you replying to your own post? Do you own a Tahoe or an Avalanche?
There is an Avalanche forum on this website...
Obviously you're not interested in real dialog. Just grumbling about YOUR experiences. Thanks. over and out.
#23 of 534 Gas mileage heading in the wrong direction by robbins_ Aug 17, 2001 (10:43 pm)
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Well I have filled this truck up 5 times now and each time the mpg keeps getting lower and lower. Started out at 13mpg and am now down to 11.5mpg. Not driving it any different, mix of city and highway. Never over 70mph, and almost never over 3000rpm. I expected low gas mileage with this truck, but this is really starting to concern me. If my next fillup shows less than the 11.5 of the last fillup I will be discussing this with service. Anyone else seeing this?
#509 of 534 MPG by melh May 22, 2006 (9:46 am)
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Just took delivery of my 2007 Avalanche. Thought for sure from the friends that I have that have these that the MPG would be better than my 2001 Silverado. WOW was I surprised to see that my first half a tank only got me 11.5 MPG. That isn't good at all. Any suggestions would be welcomed.
Would u like to see a few more?
#1995 of 2034 MPG - lemon law by junglegeorge Oct 13, 2006 (4:54 am)
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Tahoe MPG
This past Wednesday I took my 3-month-old Tahoe (with just under 6k miles) back to the dealer for the third time because of poor MPG. As I have previously stated in earlier posts, my Tahoe is equipped with the 3:73 gears and best MPG I have obtained on a trip is 17.4 with a average trip MPG of 16.2. Around town, I am averaging 12.5. Both the dealer and GM are finally taking this very seriously, they have had it for 2 days (actually working on it continuously) and just informed me they will continue working on it today, however I will have use of it for the weekend. I know that the dealer has road tested the vehicle and sent the GM engineer electronic snapshots of how the vehicle is actually performing. The dealer fully admits that on the open road test drive, he was not able to obtain the 17.4 MPG that I reported, and actually only achieved 16 MPG. GM’s first response was that I was using E-85, which is not available in upstate NY. Now they are looking at a host of things from fuel trim, sensors, and programming. This is their last chance before the vehicle is eligible for buy back under the NYS lemon law, they only get 3 attempts to fix the same issue). I am not looking for a buy back at this time, however want to at least achieve the MPG I was obtaining on both my 03 and 04 Tahoe. It took the lemon law to push the issue to the point that they are now taking the issue seriously. I will keep you posted George
#56 of 128 Response to tidester by 73shark Aug 10, 2006 (3:11 pm)
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Maybe I'm obtuse but I can't seem to make the connection between your analogy and the discussion on EPA estimates.
My experience over the last few vehicles that I've owned has been with reasonable driving techniques, I could get at or better than the EPA values. Not so with my '07 LTZ. Granted I only have 2K mi, so hoping will improve but to date it's about 12/16 mpg. Not even close to the 16/21 EPA estimate.
I have a 2007 2WD Suburban (8,500 miles) which was a very early delivery. This weekend we drove home (approx 380 miles) in a rainstorm which at times was very heavy.
Monday AM the transmission starts to wine....new sound...very annoying.
Ran by the dealer today to schedule a drop off for tomorrow (we will be flying out of town for several days).
My most trusted tech told me that due to sheet metal design issues, it is possible for rain (ie water) to get into the transmission!!! They have had several incidents of this.
In 35 years of driving I have never heard such an idea...it is almost laughable at face value. But he was serious.
When I drop it off I will try to get some more info...exact cause and fix (if there is one) and see if there is anything official from GM on it.
Has anyone heard or seen anything about this?