- #1 of 9
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2006 yukon denali xl trans shifting
by pyronh1
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Jul 22, 2006 (8:53 am)
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i have found that when i come to a stop sign and not completely stop and go the trans shifts hard alost like a bang to catch up with the car i ai taking it in for service 6036 miles i havent been driving much since i got my new saturn sky but will pos finding when i get it back from dealer anyone had this problum
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- #2 of 9
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Re: 2006 yukon denali xl trans shifting [pyronh1]
by thudak
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Jul 31, 2006 (6:55 pm)
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Replying to: pyronh1 (Jul 22, 2006 8:53 am)
I have had the same problem with my 04 denali. I took it to the dealership with about 4,000 miles and said there was not a problem (they just could not recreate the problm) My wife drives the vehicle so i was not a ware it was continuing until i noticed it with around 35K miles. I took it in to have the issue resolved before the warranty went out. they said they had to tighten something in the transmission and carged me for a transmission service to boot. It fixed it for about 2-3K miles and i is still doing the same thing you described. I am thinking of dumping the vehicle before it gets worse. Does anybody know what the problem might be? Failure to shift back into first when coming to a rolling stop. it feel like it just stays in second gear until you give a little more gas and then it shifts hard back into first.
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- #3 of 9
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Re: 2006 yukon denali xl trans shifting [thudak]
by brianlittke
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Aug 07, 2006 (3:43 pm)
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Replying to: thudak (Jul 31, 2006 6:55 pm)
I was having a similar problem. Then, I started getting a vibration at 50-60 mph. I have an '05 with 11,800 miles, purchased July 2005. So, I took it in. They first said it was bad fuel, so they cleaned the whole fuel system, checked the fuel and that wasn't it. Then, they said the torque converter was locking up. After a week in the shop and numerous calls to GM, they figured out that there was water in the transmission. When I asked HOW, they said the transmission dipstick is positioned in such a way that when it rains, the water runs down the windshield, over the cowling and drips onto the dipstick. Evidently, there is a service bulletin out there that addresses this. So, they replaced the seals in the transmission, the solenoids and put it all back. Basically, rebuilt the transmission. So, I finally picked it up Friday after being the shop for 2 weeks. That fixed the problem.
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- #4 of 9
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2005 Yukon XL Transmission Problem?
by 2005yukonxl
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Nov 13, 2006 (11:31 am)
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When I am on a hill and have the car in Drive and I let go of the brake the car will roll down the hill as if it was in Neutral. The same thing happens when it is reverse and I am backing up on a hill, if I let go of the brake it will roll down the hill.
Is this normal -- has anyone else had this happen -- none of my other cars do this - but this is my first Yukon.
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- #5 of 9
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Re: 2005 Yukon XL Transmission Problem? [2005yukonxl]
by ahightower
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Nov 13, 2006 (1:34 pm)
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Replying to: 2005yukonxl (Nov 13, 2006 11:31 am)
I've noticed the same thing. Some cars it will "hold" on the hill, but in my Yukon XL if the hill is steep enough, it will roll backwards despite being in Drive. It kind of surprised me, and I don't know if it does any damage. Probably better to just keep your foot on the brake to be safe.
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- #6 of 9
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1999 Transmission viberation
by waterbaby1
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Feb 22, 2007 (9:43 pm)
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Alright in 3 of 5 you hit the nail on the head i think. I bought my truck in dec of 1999 has 56,000 km...I am hoping some one can help in guiding me here. Over the last couple of months (maybe 2-3)when i get to 45-55kms she start to viberate a little not a great deal just enough to notice then over the last week a bit more. i have been trying to trouble shoot my little truck i lost my good paying job last year so i couldn't quiet afford a good inspection then today (really heavy blowing wet snow) it got even worse i put her in 4wd auto for a bit and then tried to get it into reg but it went to 4 low and wont come out. tried 4 high and still wont budge. Could i have the same problem? Can i get it out of 4 low myself some how? And could i still call the dealer on this, the same way? or is this worse?
Any help out there?
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- #7 of 9
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Re: 1999 Transmission viberation [waterbaby1]
by pyronh1
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Feb 22, 2007 (9:58 pm)
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Replying to: waterbaby1 (Feb 22, 2007 9:43 pm)
hi soory for your trouble when it goes in 4 wheel low sometims you have to go in reverse and hit 4 wheel high it should come out then sound like the sound i ahd and it was the front axel sound travles thru and makes it seem like the trans
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- #8 of 9
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Re: 1999 Transmission viberation [waterbaby1]
by rsht
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Feb 23, 2007 (4:08 am)
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Replying to: waterbaby1 (Feb 22, 2007 9:43 pm)
waterbaby1, from reading your post, I get the feeling the vibration and the shifting from 4-Low to regular are 2 separate problems. The vibration you mentioned, were you able to tell if its coming from the steering wheel or the back of the vehicle? Assuming the vibration is not from the steering wheel, unless its caused by your tires, otherwise, have you checked the universal joints on your drive shaft? If your drive shaft u-joints has a grease fitting on each, you may want to grease them and see if that can take care of the vibration for now...
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- #9 of 9
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2007 Yukon Rolls Backwards in Drive
by edbjr
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Sep 16, 2007 (4:17 pm)
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 I have a 2007 Yukon which is 4 weeks old. I noticed that on an incline it will roll backwards after you take your foot off the break peddle. I contacted GM and the dealer 3 days after I bought it. I have been getting the run around and was told by GM that they have never heard of this serious safety issue before mine. They also said no one else has reported this problem. Let them hear from you if you have this problem!!
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