GMC Yukon owners have reported 3 problems related to transmission fluid leaking (under the power train category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Yukon based on all problems reported for the Yukon.
Winter 2014, connecticut - backing out of driveway peddle felt mushy and going down farther than normal. Drove son to school quarter mile to school and noted the lack of braking ability. Luckily rolling stops and keeping distance from other cars allowed me to get back home. Looked under car, dripping brake fluid from under middle of card. Had the sense to have it towed to the dealer; for the $2400 estimate, they also said that my transmission lines were leaking so estimate also included the labor/parts to replace both sets of lines to fix both line related issues. I've also had the miss pleasure of having to replace the transmission ($3500) this year as well. Slipping and eventually it was going to cause an accident so had to open the wallet for that. Another issue (electrical) - I shut the car off with the blower motor on (heater in the winter) and the blower motor stayed on even after the car was shut off, no keys. It continued to run and would have drained the battery had I not disconnected the battery. Pulling the fuse had no effect. ($600) I have also had to replace both the front airbag sensors in the front bumper. One went and two weeks later the other went. No impacts, they just died. ($1200 for both). I have also had to replace the rear air shocks ($2500) I bought this car used (supposedly gm certified)) from a chevy dealer not more than 3 years ago with 75k miles. I now have 99k miles. As I sit and type this all down for this submission, I realize just how much has gone wrong with this car & matches up with other owner statements on this website.
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all problems of the 2005 GMC Yukon
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The contact owns a 2006 GMC Yukon denali xl. The contact stated that while driving approximately 30 mph, the brake pedal traveled to the floorboard abnormally upon engaging. The vehicle failed to decelerate until after the gear lever was shifted into neutral. The contact also noticed brake fluid leaking on the ground. The vehicle was towed to an authorized dealer where the driver's side brake line was replaced. In addition, the transmission oil line was previously replaced. The manufacturer was not notified of the defect. The approximate failure mileage was 54,000.
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all problems of the 2006 GMC Yukon
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Promblems started at 16,471 steering started rattling,and felt loose,dealer looked at & lubricated intermediate shaft along with downshifting on its own ?? 12/05/02. At 20226 02/20/03 still having promblems with transmisson clunking between shifting points r/r and greased splines at transmission,along with harmonic noise comming from running boards,tighten up running boards,transmissinon was also slipping & they reset transmission adaptives,
09/04/03 still having promblems with transmission clunking at shift points they reset shift adaptives & relearn shift points still same promblems when I left dealer. 06/16/04 36987 last warranty work. . . Same complaint as always about sterring noise and transmission,inspected and replaced intermediate steering shaft,drivers window stopped working they replaced window regulator,fluids leaking they replaced leaking trans gasket. Now out of warranty,at 49,000 just replaced window regulator again,steering still a promblem but now steering box is shooting fluid out top seal on box,need to replace steering box at my cost. Still very worried about steering . . I am so disappointed with my Yukon,I will never but another cmc product again,no one seems to care but for $43,000 you would think they would. We use all chevy trucks in our fleet in my bussiness we are considering going foreign,not very proud of our american trucks.
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all problems of the 2002 GMC Yukon
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