How to Replace Serpentine Belt on Your Car or Truck
Ckeck the serpentine belt for cracks at regular intervals to prevent breaking at the worst possible time.
Inspect your serpentine drive belt every 10,000 miles. Look for cracking. Small cracks are
normal. Large, deep cracks are a sign that the belt should be replaced.
Other How To Articles
GM 3.8l 3800 V6 serpentine belt replacement routing picture.
View picture or diagram of 3800 V6 serpentine
belt routing so you can replace it yourself.
The engine belt is used to power accessories in your car or truck. The serpentine belt is used for the power
steering, air conditioning compressor, alternator, water pump or supercharger.

It should be inspected at regular maintenance intervals. If it were to break, you would loose these accessories
depending on engine size and model of vehicle.

Click on the pictures below for routing diagram on your particular engine.
4.3L Vortec V6 engine belt replacing diagram routing.
4.3L Vortec V6 engine used in Chevy S-10, Blazer, Silverado
and GMC trucks.
Vortec V8 GM engine belt routing. Pictures and diagrams of how to replace.
GM Vortec V8 engines belt routing.
Including the 5.3L and 6.0L engines.
GM 5.7 and 5.0 liter GM V8 engine serpentine belt replacing routing picture used on many Chevrolet and GMC trucks.
Older Chevrolet and GMC V8 trucks.
GM 3.1l / 3.4l engine data sensor locations and descriptions.
3.4L V6 also know as the 3400 engine used in many cars
including the Chevy Malibu and Impala, Pontiac Grand Am and
Grand Prix, Oldsmobile Alero and several minivan models.
GM 2.2l 4 cylinder engine data sensor locations and descriptions.
Routing of the belt on 2.2L know as the 2200 four cylinder engine
used in many chevy, Buick, pontiac and Oldsmobile cars.
GM 4.2l 4200 inline 6 cylinder engine data sensor locations and description.
4.2L inline six cylinder 4200 belt pictures for Chevy and GMC trucks
including Trailblazer and Envoy.