GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
HUMMER
🢒
2009
🢒
H3
🢒
Engine
🢒
Engine Mechanical - 3.7L
🢒 Drive Belt Idler Pulley Replacement
Removal Procedure
Remove the drive belt. Refer to
Drive Belt Replacement
.
Remove the left front wheel. Refer to
Tire and Wheel Removal and Installation
.
Remove the left front wheelhouse liner. Refer to
Front Wheelhouse Liner Replacement
.
Drain the engine cooling system. Refer to
Cooling System Draining and Filling
.
Remove the radiator outlet hose. Refer to
Radiator Outlet Hose Replacement
.
Remove the drive belt idler pulley bolts.
Remove drive belt idler pulley.
Installation Procedure
Position drive belt idler pulley to the engine.
Caution:
Refer to
Fastener Caution
in the Preface section.
Install the drive belt idler pulley bolts and tighten in sequence to
50 N·m (37 lb ft)
.
Install the radiator outlet hose. Refer to
Radiator Outlet Hose Replacement
.
Install the left front wheelhouse liner. Refer to
Front Wheelhouse Liner Replacement
.
Install the left front wheel. Refer to
Tire and Wheel Removal and Installation
.
Fill the engine cooling system. Refer to
Cooling System Draining and Filling
.
Install the drive belt. Refer to
Drive Belt Replacement
.