GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 STS 🢒 Engine 🢒 Engine Cooling 🢒 Supercharger Belt Tensioner Replacement

Object Number: 1616167 Size: MF

Callout

Component Name

Preliminary Procedures

  1. Remove the engine sight shield. Refer to Intake Manifold Sight Shield Replacement.
  2. Remove the front section of the supercharger inlet duct assembly. Refer to Supercharger Inlet Duct Assembly Replacement.
  3. Remove the supercharger drive belt. Refer to Supercharger Belt Replacement.

1

Drive Belt Tensioner Assembly Bolt

Caution: Refer to Fastener Caution in the Preface section.

Tighten
50 N·m (37 lb ft)

2

Drive Belt Tensioner Assembly

Tip

    • Use the EN-47913 Serpentine Belt Tool to rotate the tensioner in a clockwise direction during belt removal and installation.
    • Remove and install the tensioner and bolt as an assembly.
    • Ensure that the alignment pin on the rear of the tensioner assembly is aligned with the locating hole on the camshaft actuator housing during installation and torque procedure.