GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2009
🢒
Impala
🢒
Preface
🢒
Dangers, Warnings, and Cautions
🢒 Drive Belt Replacement - Accessory
Tools Required
EN-47988
Serpentine Belt Tension Unloader
Removal Procedure
Remove the passenger side diagonal brace, if more clearance is required. Refer to
Front Fender Upper Diagonal Brace Replacement
.
Reposition the underhood bussed electrical center (UBEC), if more clearance is required.
Install the
EN-47988
, to the drive belt tensioner.
Rotate the
EN-47988
clockwise in order to relieve the tension on the belt tensioner.
Remove the drive belt (1) from over the power steering pump pulley.
Slowly release the
EN-47988
.
Remove the
EN-47988
from the belt tensioner.
Remove the drive belt (1) from around all the other pulleys.
Clean and inspect the belt surfaces of all the pulleys.
Installation Procedure
Install and route the drive belt around all the pulleys except for the power steering pump pulley.
Ensure that when installing the
EN-47988
(1), to the belt tensioner that the
EN-47988
is NOT installed above the drive belt (2).
Ensure that when installing the
EN-47988
(1), to the belt tensioner that the
EN-47988
is installed below the drive belt (2).
Rotate the
EN-47988
clockwise in order to relieve the tension on the belt tensioner.
Ensure that the drive belt is still properly routed around all the other pulleys, then install the drive belt over the power steering pump pulley.
Slowly release the
EN-47988
.
Remove the
EN-47988
from the belt tensioner.
Inspect the drive belt for proper installation and alignment.
Position the UBEC, if required.
Install the passenger side diagonal brace, if required. Refer to
Front Fender Upper Diagonal Brace Replacement
.