I thenk there should be a recall on this because if I had something in tow or the parking brake were to fail it could posibly injure or kill some one if it were to roll away. It just shifts back and forth. Can't go in revserse at all. I am lucky so far. The dealer performed a diagnostic test that produced a code involving the automatic transmission. It is a new truck, sits in the garage, we bought it new and it only has approx.
At 25000 miles, replaced brake pads and rotors. Fuel line rusted and leaking. Horrible noise in 4th and feels like the brakes are on: overrun clutches are applying due to a cracked or leaking forward piston. Upon further inspection, the extension housing of the transmission cracked and was leaking transmission oil. Trans seems noisy when moving in 1st and Reverse, noise goes away instantly if you shift to N or the transmission goes into 3rd gear: Reaction planetary is worn out due to high miles or insufficient lubrication.
This happened around August 4, 2005. The truck drives and shift normal up to this point. The warranty on the third transmission expired Nov 24, 2006 just 41 days after the warranty expired. If level does not go down when engine is running, the pump is broken. After a detailed investigation, I have discovered that this is a common problem with this particular transmission, as they have corrected it on the 2003 models.
However, consumer was told there was nothing they could do. I guess people have to die in order for a recall to be made by general motors. We changed all the syoloid sensors it didn't change anything. I had a man call me about extending our warranty and my dumb ass told him that the transmission was shot, he told me sorry I can't help you but he did however tell me that the 2000-2006 transmissions were known to go out in these vehicles. May also have worn boost valve can replace in the pan. Not a critical failure, but not a good sign either. It shifts back and forth into overdrive back out, just back and forth.
This truck don't seem to have any missing problem. Seal restorer may fix last problem, but probably remove and rebuild needed. The part should be redesigned to be more durable throughout the life of the truck. The tachometer jumped to 6000-7000 rpm and I was going at 30-40 mph. I am lucky so far. It's keeps shifting back into 3rd gear out of overdrive, it wouldn't stay in overdrive on a slight pull.
After starting my vehicle it did not have reverse and after getting it out of the ramp it would not shift into 2nd gear. I thenk there should be a recall on this because if I had something in tow or the parking brake were to fail it could posibly injure or kill some one if it were to roll away. Bulletin 02-07-30-011b I have had this switch fail twice, gm knows of the bulletin but fails to see how dangerous the truck becomes when switch fails. When the vehicle went into passing gear consumer heard a loud noise. Automatic Transmission problem 23 Allison transmission problem: while in overdrive with a towing load going uphill, the transmission will downshift in or out of cruise control, causing the engine to increase speed up to the danger zone of 3300rpm. Tighten bolt on exhaust manifold. Electric window motor failed broke.
Handling was ungainly, and the ride is stiff. The dealer could not specify why the transmission failed. The service dealer stated the transmission will have to be repaired, but did not know the cause of the transmission failure. The other had to have the heating element replaced. It just shifts back and forth. He drove slowly to the dealer for inspection while the vibration weakened at a reduced speed.
I had to have my transmission rebuilt and the transmission shop said that it was a common problem and that gm has come out with a revised part that is hardend. The tachometer jumped to 6000-7000 rpm and I was going at 30-40 mph. All gears seems to work. No repairs were performed by the dealer due to the extensive work and expense. There is a technical bulletin on this matter. I only have 42000 miles on the truck.
Your trans is a 4L60-E that is computer controlled. Will have to take to dealer to be diagnosed. The 3-4 clutches have failed, a common problem in this trans since 1981. Also, transmission will intermittently fail. At 37260 miles the gear failed, my vehicle it did not have reverse, and it would not shift into 2nd gear. The service allows to compare and analyze statistics for reported problems, complaints, recalls for various manufacturers.
Root problem was Electric motor that engaged 4 wheel low side was bad. Intermediate shaft lubed per service bulletin, dealer eventually replaced shaft. It is a new truck, sits in the garage, we bought it new and it only has approx. Car can be safely driven in D. I have been informed by my mechanic that the replacement rack and pinion is leaking and should be replaced. By using this tool, you will be able to get records with description of safety issues for vehicles, equipment, tires and child restraints. The dealer performed a diagnostic test that produced a code involving the automatic transmission.