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.