My windshield wiper fluid only sprays out 30% of the time. Usually in the morning then any other time of the day it will not spray out. They replaced the pump and that did not fix it and they won't do anything else and now it is out of warranty. When running lower rpms driving the truck it begins to feel like its shaking forward and backwards, like a shuddering feeling. I have read about other people having this problem and it describes mine perfectly. I have the 8speed
2017 GMC Sierra transmission complaints
Page 2 of 2: complaints 11 to 23 of 23, newest first, as owners wrote them.
Extremely hard shifts up-and-down in the 1st 2 gears followed by hesitation after stopping and starting
Tl* the contact owns a 2017 gmc sierra 1500. While the vehicle was idling at a traffic light, it began to rattle. There were no warning indicators illuminated. The vehicle was taken to fresno buick gmc (located at 5515 n blackstone ave, fresno, ca 93710, (559) 742-4113) where an unknown diagnosis and repair were performed; however, the failure continued. The manufacturer was not notified. The failure mileage was 24,000.
Since december of 2017 the transmission, when cold, at approx. 25 MPH and at 40-44 MPH when neutral throttle is applied, bangs between gears forcing the operator to either accelerate or decelerate so the condition will cease. If there is no change by the operator, it feels as if the transmission will break the u-joints in the driveline or blowout the rear-end gears. I have made numerous attempts with gmc to remedy the issue to no avail. The vehicle has been in the dealership in excess of 40 days for the same problem with no resolution
Hard shifting between gears and coming to a stop
Tl* the contact owns a 2017 gmc sierra. While reversing, the vehicle hesitated and surged forward. While driving various speeds, the accelerator pedal was released and the vehicle accelerated. There were no warning indicators illuminated. The vehicle was taken to silver star buick gmc (3601 auto mall dr, thousand oaks, ca 91362, (805) 222-4789) where it was diagnosed that the software needed to be updated and the vehicle was performing as designed. The vehicle was repaired; however ,the failure recurred. The manufacturer was not contacted. The failure mileage was 415.
Truck lags power when pressing the gas pedal at times after putting transmission into drive from reverse. Transmission shifts hard into and out of first gear and at times feels like it is skipping 2nd gear during a downshift.
Transmission has surging and hesitation. Dealer cannot fix.
The "chevy sake". At speeds over 70mph excessive vibration inside the vehicle. This is well documented on-line, particularly various gm forums and you tube videos. It is my understanding that gm denies it is a problem, but they have been doing some buy backs and if you read some of the dealer blogs it is evident that gm knows it is a problem.
This truck is a 3500 hd. I was pulling a camper on a 1100 mile trip. With 50 miles left I noticed that the truck was leaking transmission fluid from under the transmission cooler. Upon further investigation I found that the return hose from the trans cooler was positioned so the it rubbed on a frame component which caused a hole to rub in the aluminum trans coolant return line. I noticed this when the truck was parked running at a rest area for an hour but it was obviously an ongoing issue. Had I not noticed it when I did this condition could have caused catastrophic failure of the transmission. The dealer says there is no recall and it is not under warranty. I consider this to be a serious design flaw and a major safety issue. I was able to get to my delivery stop and get the line patched. It is at the dealer for repairs right now.
Transmission harsh 1-2 shift when it is under light throttle and sometime does not shift or make nose. Gmc dealer are aware about this issues on all gm truck model of 2015 to 2017 with 8sped transmission since april 2017. I have attached documents given by dealer.
Vibration 65+ MPH, felt in steering wheel and seat. Steering wheels quivers at 65+ MPH. Truck feels very unstable at highway speeds. Dealer states it's normal.
Tl* the contact owns a 2017 gmc sierra. While driving approximately 5 MPH, the vehicle failed to shift out of gear and there was a delay of three to four seconds before shifting into second gear. The failure recurred every morning. The vehicle was taken to the dealer (jim causley, located at 38111 gratiot ave, clinton township, mi 48036) where it was confirmed that gm was aware of the issue. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and informed the contact that there was no recall on his VIN. No further assistance was offered. The approximate failure mileage was 4,500. Updated 11/13/17 *bf
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