GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
1999
🢒
GMC C-Series Medium Duty Truck B7
🢒
General Information
🢒
Maintenance and Lubrication
🢒 Drive Belt Replacement
Removal Procedure
Install a 3/8 inch drive wrench on the tensioner arm and rotate the arm counterclockwise.
Remove the drive belt.
Slowly release the tension on the tensioner arm.
Installation Procedure
Route the belt over all the pulleys except the tensioner arm.
Important:
Refer to the Underhood Label for the proper drive belt routing graphic.
Observe belt routing for vehicles without air conditioning.
Observe belt routing for vehicles with air conditioning.
Install a 3/8 inch drive wrench on the tensioner arm and rotate the arm counterclockwise.
Install the belt over the tensioner arm pulley.
Slowly release the tension on the tensioner arm.
Confirm that the belt is properly routed.