The 4WD transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code(s) stored in the transfer case control module will be of assistance in determining the exact fault causing the message to be displayed.
Resources for the Repair and Maintenance of your 2002 Chevrolet Avalanche 2500
2002 Chevrolet Avalanche 2500
2002 Chevrolet Avalanche 2500 Problems
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
The muffler heat shield may become loose on the muffler causing a rattle or popping noise. Our technicians tell us there is a kit available from GM to correct this problem.
A dirty throttle body may cause a lower than normal idle and possible stalling condition. Performing a throttle body service will commonly correct this concern.
A poor electrical ground under the battery tray may cause the ABS warning light to illuminate. Our technicians tell us that cleaning and properly securing this ground and also the main ABS ground on the frame rail below the drivers door may be necessary.
2002 Chevrolet Avalanche 2500 Recalls (Recent)
Summary: ON CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE GALVANIZED STEEL TAILGATE SUPPORT CABLES THAT RETAIN THE TAILGATE IN THE FULL OPEN (HORIZONTAL) POSITION MAY CORRODE, WEAKEN, AND EVENTUALLY FRACTURE. IF BOTH CABLES FRACTURED, THE TAILGATE WOULD SUDDENLY DROP AND STRIKE THE TOP SURFACE OF THE REAR BUMPER.Learn more »
Summary: CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES MAY EXPERIENCE UNWANTED ANTILOCK BRAKE SYSTEM (ABS) ACTIVATION. THIS CONDITION IS MORE LIKELY TO OCCUR IN ENVIRONMENTALLY CORROSIVE AREAS. THIS RECALL WILL BE LAUNCHED IN THE "SALT BELT" STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MARYLAND, MASSACHUSETTS, MAINE, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, WISCONSIN AND THE DISTRICT OF COLUMBIA ONLY.Learn more »
2002 Chevrolet Avalanche 2500 Questions and Answers
while in the heater/defroster setting my fan does not go to high speed. at times in may kick in for a few moments then goes back down, what is possible problem? the fan switch or what?
i asked a question earlier about this being a possible problem with the fan speed switch. in the defroster or vent mode very little air flow on high. when turned to bi-level and recirrculating you ...
The dashlights goes out at different times and you have to tap on the dash to get them to come back on. also the heat and air sometimes has to be put on 3 before you can feel anything.
Hi I have avalanche 2002 2500 8.1 ... the auto transmission when change from gear to gear( from 3 gear to 4 gear ) i hear strong hit ( click ) ... what is the problem ?? Thanks