GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2003 🢒 Aurora 🢒 Engine 🢒 Engine Mechanical - 4.0L 🢒 Primary Camshaft Drive Chain Guide Replacement

Removal Procedure
  1. Remove the front cover. Refer to Engine Front Cover Replacement .

    2. Object Number: 207533 Size: SH
  2. Remove the 2 bolts attaching the primary camshaft drive chain guide (1) to the engine block.
  3. Remove the primary camshaft drive chain guide (1).
  4. Clean and inspect the camshaft timing drive components. Refer to Camshaft Timing Drive Components Cleaning and Inspection .

Installation Procedure

    Object Number: 207533 Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  1. Install the primary camshaft drive chain guide (1) and retaining bolts.

    2. Tighten
    Tighten the primary camshaft drive chain guide bolts to 25 N·m (18 lb ft).

  2. Install the front cover. Refer to Engine Front Cover Replacement .