On 2 different occasions within the past month, the 4WD has engaged while driving. The truck sounded as if the truck was running in 4 wd while on bare roads. This occurred during normal weather and driving conditions--once while driving about 30 mph getting off an interstate ramp and the other at 55 mph on a main road. After coming to a complete stop, putting the truck into 4WD, then into 2wd and backing up, the 4WD disengaged and ran normally. GM has recommended taking it to a dealership.

- Ridgeley, WV, USA

My 2000 Chevy S10 4X4 (purchased from courtesy Chevrolet, phoenix, AZ) broke down on 8/12/03 due to the transmission slipping out of gear and making a grinding noise between reverse & park when I stopped. The truck would not go into drive, and I had to be towed to the nearest dealer (gateway Chevrolet in avondale, AZ) approx. 65 miles away. After the truck was checked out the next day, the service advisor called to say there was nothing wrong with the truck and that it shifted into all gears and ran normal. (note: There were 82,278 miles on the truck at that time and I had the 100,000 mile extended warranty). On several other occasions before and after this event, I experienced a sudden revving up of the engine, which stopped after several rapid depressions of the accelerator. On 4/11/05, while on vacation in California, the exact problem occured again, except this time, after being towed again to the nearest dealer (coalinga motors, Inc., coalinga, ca), it was found the transmission was in need of replacement, as well as the shift forks in the transfer case.

- Phoenix, AZ, USA

While driving at any speed and when the brakes were depressed there was extended stopping distance. A certified mechanic found that the brakes were wearing out too frequently for this type of vehicle. The consumer stated that the brakes are to weak to stop the large vehicle. At 61,000 miles the consumer drove the vehicle 2wd when the 4WD activation failed causing $900 in damage.

- Pine City, MN, USA

I have a 2000 S-10 ZR2 and my 4WD hi dont work, module on transfer case broke, also computer behind dash that controls 4WD doesnt work correctly. 100's of dollars to fix. Honestly push button 4WD was a mistake in the first place. There was never anything wrong with the old 4WD shifter on the floor. Mnufacturers should think more of quality not convenience. Now its the middle of winter and I got a truck with only 4WD lo. How lovely

- Mocanaqua, PA, USA