2003 Chevrolet Suburban. Consumer stated the transfer case developed a leak.

- Fort Wayne, IN, USA

Without prior warning, the transfer case started switching from 2 hi to 4 hi and 2 lo at highway speeds and by itself. This is extremely dangerous as it can result is a sudden lost of control.

- State College, PA, USA

While driving vehicle shifted into four wheel drive at any speed. Vehicle was serviced five times, and technician could not duplicate the problem.

- Suttons Bay, MI, USA

Transfer case malfunctioned, causing it to go from 4-wheel drive to 2-wheel drive by itself. This has occurred on several occasions. The most recent occurrence resulted in loss of control, and almost caused a crash. Dealership serviced vehicle 3 times, and replaced the switch and the box, but the problem recurred.

- Selah, WA, USA

While driving four wheel drive shift sticks, causing the vehicle not to accelerate properly. General Motors says this is an electrical problem, and is looking into the problem. Vehicle experiencing problems with four wheel drive shift sticking causing the vehicle not to accelerate properly. General Motors claims that this may be an electrical problem. General Motors has failed to follow up on remedy for problem.

- New City, NY, USA

On Jan 20, 2003 my new 2003 chev Suburban 4 wheel drive system failed as I attempted to enter traffic. Service 4WD showed on the information center and I was nearly involved in a collision due to this. I took the vehicle to the dealer svc department, where the svc person turned the vehicle off then on and the problem went away. The milage on the truck was 172 miles (onehudredseventytwo)

- Anchorage, AK, USA