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2007 Chevrolet Avalanche

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#38 of 72 Alternator/Charging Problem by gmaster Nov 23, 2006 (5:40 pm)
Anyone having problems. Taking to dealer tomorrow. On Tuesday, during drive home from work, I had no problems or indications of a problem. On Wednesday, key thob would not unlock door. Other thob had same result. Opened with key and no alarm like it should have had. Key in ingnition and just a click. Put charger on it, only 3Vs on battery. Jumped with charger and it started. Let run awhile. Tested Alternator with no load and cAlternator tester read good. Tested with load and it said read bad. I live in AZ so almost always run under load with AC and Radio always on. It looks like a charging problems and we'll see tomorrow. Has anyone else had problems like this on the new 2007 Chevy Avalanches or other 2007 Chevy trucks with a similiar electrical system.   Oh yeah, the darn thing is only thrree months old. I had a Tundra prior to this Av. I had the Tundra for 4 yearswith zero problems. The Tundra was the first time I strayed from American vehicles and I strayed becuase of quality and reliability problems like this. I took a chance this time and if the American dealer product are still unreliable, I will turn back forever to the Japanese. Replies to this message: atelierarch (Jan 17, 2008 2:04 pm) rocky07 (Jan 31, 2008 10:01 pm) christalry (May 07, 2008 8:07 am) hankpender (Mar 16, 2008 3:57 pm)
#39 of 72 It ended up being a battery by gmaster Nov 24, 2006 (5:37 pm)
Hmmm. I heard from my neighbor that someone had bought a new Tahoe and within a week had to have the battery replaced. Bad batch??? If so, I'm sure we'll be hearing more along these lines. Anyhow, for all your new 2007 Avalanche and other 2007 Chevy owners, keep an eye out for this problem. I took delivery in August. Problem surfaced on Nov 20th with 3000 miles.
#40 of 72 I like my '07 Ave... by kw5kw Feb 21, 2007 (1:49 pm)
I just really love my '07 Ave 3LT that replaced my '04 Ave Z66 that replaced my '02 Ave LS. It's the best of all three that I've had so far, and, by far, the most powerful. I had no problems in the mountains of Colorado this past September, or when I was pulling my 30' Travel Trailer from DFW to Amarillo a few weeks back.   I bought it and then I ordered an '07 Impala LTZ because I wanted the 3.9 with active fuel management.   Russ
#41 of 72 As I sit behind by marsha7 Feb 22, 2007 (8:17 am)
an Avalanche in traffic, it seems to me that the view out the rear windshield is very limited, as the perspective looks like the tailgate (and the height of the rear bedwalls) stick way up, giving you no visibility when backing up...it is that way when you are inside looking out???...I remember having poor visibility when backing up in my Intrepid and it drove me nuts, like a giant blind spot...all I could do was back up slowly and wait for someone to honk their horn... Replies to this message: jerrywimer (Feb 23, 2007 4:11 am)
#42 of 72 Re: 2007 Avalanche [sutter] by nvbanker Feb 22, 2007 (11:25 am)
Replying to: sutter (Apr 10, 2006 11:43 am) That certainly was the case in the earlier models. I'm hoping it's been fixed by now.
#43 of 72 Re: As impressive as the [marsha7] by nvbanker Feb 22, 2007 (11:27 am)
Replying to: marsha7 (Sep 07, 2006 6:43 pm) It would be nice if, just like the Explorer is a downsized Expedition (altho Explorer was first, I know) I would like to see a downsized Avalanche about the size of a midsize, like the Explorer...   The Honda Ridgeline is that size and style - although fugly to me....
#44 of 72 Re: As I sit behind [marsha7] by jerrywimer Feb 23, 2007 (4:11 am)
Replying to: marsha7 (Feb 22, 2007 8:17 am) The view out the back isn't as bad as I originally thought. I've found that minivans and SUVs generally seem worse than my Avalanche does to me. Of course I may just be getting used to it now.   There's no doubt that it's hard to see things that are close because of the height of the tailgate / bed covers, but the side mirrors help quite a bit. It's definitely the reason I went with the LTZ- besides the nice interior, leather, and whatnot, the backup sensors and camera are terrific if you're not sure what's behind you or how close it is.
#46 of 72 Re: Alternator/Charging Problem [gmaster] by atelierarch Jan 17, 2008 (2:04 pm)
Replying to: gmaster (Nov 23, 2006 5:40 pm) I have an 07 about a year old and have had a contiual problem such as you discribe. Originally it would not start a couple of months apart and I jumped the vehicle with difficulty and went on. The past 3 months I have come out to a dead vehicle almost exactly 1 month apart. They originally said bad pattery and replaced it, but have since had two failures to start . I am coming up on month number 4 so I will see what happens. I had a friend with an avalanche that had a similar problem and the correction was lack of proper grounding of the engine. The dealer says mine is grounded correctly and has gone through the diagnostics to no avail. Keep me us posted on dealer comments. Replies to this message: rocky07 (Jan 31, 2008 10:01 pm) christalry (May 07, 2008 8:07 am)
#47 of 72 Re: Alternator/Charging Problem [atelierarch] by rocky07 Jan 31, 2008 (10:01 pm)
Replying to: atelierarch (Jan 17, 2008 2:04 pm) This problem has been posted on another forum with the fix that other owners have said fixed the problem. There is a TSB (Technical Services Bulletin) on the battery drain issue that requires "re-flashing" the memory. Tell your dealer (using those terms) to research this TSB and perform the services.   And, remind him that your battery draining problem is NOT on your window sticker as a "Feature" or "Option" that you paid for.....in other words, fix it!

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