ONCE TRUCK IS WARMED UP THIS NO LONGER HAPPENS.ĭAILY THE TRANSMISSION HAS A HARD SHIFT FROM 1ST TO 2ND GEAR. ![]() WHEN ACCELERATING SLOWLY TRUCK WITH SHUTTER WHEN SHIFTING GEARS, ALMOST LIKE IT CAN’T DECIDE TO SHIFT TO THE NEXT GEAR. IT ALSO SHUDDERS WHEN SLOWLY ACCELERATING IN TRAFFIC, SOMETIMES THE RPM GOES WAY HIGH AND IT LURCHES FORWARD WHEN IT UPSHIFTS.ĪFTER TRUCK HAS SET FOR A WHILE AND START TO TAKE OFF FROM A STAND STILL AND IT GOES TO SHIFT FROM 1ST TO 2ND IT WILL HARD SHIFT AND TRUCK WILL SOMETIMES LURCH FORWARD. NOT ALL THE TIME BUT ONCE A DAY AT LEAST. WHEN SLOWING WHEN IT GOES FROM 2ND TO 1ST IT FEELS LIKE I GOT REAR-ENDED. ONLY HAPPENS WHEN THE TRUCK HAS BEEN SITTING FOR A LONG PERIOD.ĮXTREMELY HARD SHIFTING ON LOWER GEARS. OTHER TIMES THE TRUCK LOSES ACCELERATION, CUTS OUT, FEELS LIKE THE TRUCK HAS RAN OUT OF FUEL. SOMETIMES IT FEELS LIKE THE TRANSMISSION SLIPPED, THIS IS THE HARD SHIFT FEELING. THIS OCCURS 100% OF THE TIME WHEN I LEAVE FOR WORK IN THE MORNING. WHEN DRIVING THE TRUCK FOR THE FIRST TIME AFTER SITTING FOR A NUMBER OF HOURS (6+HRS) THE TRUCK EXPERIENCES A “HARD” 1-2 SHIFT. Here are some actual complaints logged with the NHTSA about the 2018 GMC Sierra 1500 Transmission ProblemsīRAND NEW 2018 SIERRA 1500 Z71. No one wants to shake, rattle and roll down the highway. While it brings some comfort that GMC agrees the problem exists, it would be better if they constructed transmissions without problems. There isn’t a fix listed for the problem, but simply an acknowledgment that it does exist. This bulletin discusses the torque converter shudder and how it causes the vehicle to shake while driving. The automaker understands that numerous things are going on with this powertrain and even issued Service Bulletin #PIE0405 to address one powertrain concern. Unfortunately, it’s not the only complaint like this regarding the GMC truck. This is a scary situation that no one wants to be in. I was backing out of a driveway and I lost all gauges, power steering, heated seats, transmission and about every other vital system all while blocking both Lanes of traffic.” All seemed to be functioning satisfactorily. Had my 10000-mile service completed in December and had the transmission reprogrammed and fluids flushed. A month after purchase the transmission started the hard shifts and I took it in for service and all was well for a couple more months. One consumer wrote on Edmunds, “Purchased 2018 GMC Sierra all terrain in July 2018 due to overall styling, handling and I once had complete faith in GM. ![]() Owners of the 2018 GMC Sierra 1500 find that the powertrain gives continuous problems. When the components of a powertrain begin to fail, drivers can experience sounds, rough shifting and an unpleasant ride. Aside from the engine, it’s vital that your powertrain is operating correctly for you to get down the road.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |