Five problems related to automatic transmission have been reported for the 2005 Chevrolet Silverado. The most recently reported issues are listed below.
I have a '05 Chevrolet Silverado, I recently discovered that when the key in the ignition is turned to the accessory position (one turn with the vehicle off), the vehicle will be able to shift out of the parked position without applying the brake. I have taken it to the Chevrolet dealer they say that is how it is supposed to be. Not only my truck did it, my friends '03 Ford f-350 also does it too! I am not sure if all vehicles are designed like that or not. When the vehicles key is in the run position with the vehicle off, you have to push down the brake pedal before you can shift out of park. The whole idea I thought was to prevent a young child from shifting a vehicle out of park and roll into traffic! the way my truck, and possibility a whole lot more was designed, a child would have a 50-50 chance of turning the key just one time, and that could lead to a catastrophe.
Automatic transmission at times hesitates before engaging when accelerator is pushed. It has happened numerous times - the last being the date listed below.
1. Driven vehicle for 5,600 miles, no special events 2. While in reverse, vehicle accelerates and decelerates without pushing on the accelerator pedal. 3. Computer replaced after we refused to drive, gm said vehicle was safe to drive.
I noticed a month after purchasing my 2005 Silverado z71 extended cab that if the key was turned to the 'acc' position, this disables the lock that requires the brake pedal to be depressed fully to shift the vehicle out of 'park'. I brought this to the attention of friedns and family who have gm trucks and SUV's. All these vehicles (2004-2005) do the exact same thing. I took my concern to web forums. Though members thought I was nuts, they tried this on their vehicles and the same thing happens. It seems to be vehicles that have changed the acc location on the ignition. The acc location used to be turned back toward the driver, but now it is one click toward the dash now. This info is not in the owners manual. If parked on any incline and the vehicle is knocked out of gear you would have difficult time braking or steering.
Last Feb. Purchased a new Silverado truck. Gm replaced the transmission at 480 miles. Ever since then I have had a vibration in the rear. I have had the truck to the shop on several occasions. The problem is intermittent and they can't locate the problem whenever I take it in. The problem is most common at speeds of 65-70 mph. The vibration is so bad that the mirrors rattle. Also lately, I have a different vibration (also intermittently) at slower speeds while going up hills. Dealer also unable to diagnose unless the problem occurs while they have the truck.