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SUVs GMC Yukon GMC Yukon and Yukon Denali Problems
779 messages, Last post on Oct 31, 2009 at 6:36 AM
You are in the GMC Yukon Forum. Your Hosts are steve_ & tidester
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Replying to: kfmdt00 (Aug 14, 2007 5:23 pm)
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Replying to: lerenis (Aug 15, 2007 3:33 am) 1. While cruising between 35 and 60, just tip into (lightly accelerate) the gas pedal and watch what happens. The engine will actually decrease in RPMS. Only GM makes a vehicle that slows down when you apply gas. You can thank the GM computer geeks for this screw up. Rediculous! 2. In an emergency situation, you might stomp on the accelerator pedal to avoid an oncoming vehicle, then lift your foot and then stomp again as you evade a dangerous scenario. Now you try stomping on the gas pedal about two to three second intervals. Try this on the highway as well. The transmission goes crazy. And the lag times are remarkably long. You have no safety margin in the GMC Denali due to delayed engine/tranny response. The drive by wire computer you have gets totally confused and it ceases taking any signals from the gas pedal. You are dead meat. |
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Boy, after reading several of the posts I am glad I have a 01 instead of all these others. Our problems are minor comparably. We had the whining in the steering box like others have mentioned and it was replaced but still whines a little just going down the road between 55 and 60. The check engine light for a while came on periodically and had something to do with the emissions. We had the part replaced by the dealer and is ok now. We really have enjoyed ours but won't be replacing it with an 07 that's for sure after reading about all the problems most of you have had.
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 I just bought a 2007 Yukon and found that in my driveway or other simular incline my Yukon goes backwards while still in drive. GM says it is operating within specifications. They also told me nobody else has complained about this serious safety issue. Now they tell me this is normal after the intitial 500 - 600 mile breakin. I was told this is normal...am I the only one with a Yukon that does not think this is acceptable? I am very disappointed in GM and their Customer Service. EDBJr
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Replying to: tigmanphil (Sep 09, 2007 7:03 pm) |
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Replying to: edbjr (Sep 17, 2007 6:18 pm) |
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Replying to: ubiert76orc (Aug 02, 2007 11:43 am)
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Replying to: edbjr (Sep 17, 2007 6:18 pm)  Well Dah..... I think the BREAK ?? is what holds most vehicles on a hill or slight incline - try using it.....! Perhaps you should read about how an automatic transmission works. It does slip otherwise it'd be trying to drive you forward at every light or situaion when you applied the break. This would be very hard on the drive line if it were the case. Does this make any sense to you? Come on - you need to think it through before you spout off about having a lemon - it's really more of lemon thinking here then it is the vehicle. Get the facts first. |
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Replying to: jw3591a (Oct 19, 2007 12:31 pm) coachman 
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