We have classified the 1 complaints from 2003 Chevrolet Suburban 2500 about POWER TRAIN into the following categories.
One of the metal brake lines between the master cylinder and the abs modulator valve ruptured during a stop due to corrosion. all brake lines in the vehicle have similar levels of corrosion near the area the aforementioned line ruptured, and at various other locations on the vehicle. the transmission cooler lines had failed approximately 18 months previously due to corrosion. the corrosion and rust on many components beneath the vehicle and in the engine compartment is becoming rather concerning. *tr
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. *jb