For 1990-2009 cars only
Removal Procedure
- Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls-4.3 L.
- Remove the air cleaner outlet duct from the throttle body. Refer to Air Cleaner Outlet Resonator Replacement in Engine Controls-4.3 L.
- Install a 3/8 inch drive wrench on the drive belt tensioner arm and rotate the arm counterclockwise.
- Remove the drive belt.
- Slowly release the tension on the drive belt tensioner arm.
Installation Procedure
- Route the belt over all the pulleys except the tensioner arm.
- Observe drive belt routing for vehicles without air conditioning.
- Observe drive belt routing for vehicles with air conditioning.
- Install a 3/8 inch drive wrench on the drive belt tensioner arm and rotate the arm counterclockwise.
- Install the drive belt over the drive belt tensioner pulley.
- Slowly release the tension on the tensioner arm.
- Inspect for the drive belt being properly installed on the pulleys.
- Avoid mis-positioning the drive belt by one or more grooves.
- Confirm for the proper drive belt size and the correct drive belt routing by observing the location of the fix pointer and the index marks on the drive belt tensioner. With a new drive belt installed, the fix pointer should align within the indentation on the drive belt tensioner.
- With a used drive belt installed, the fix pointer should not align past the index mark.
- Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Resonator Replacement in Engine Controls-4.3 L.
- Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls-4.3 L.
