GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2001 🢒 Intrigue 🢒 Engine 🢒 Engine Mechanical - 3.5L 🢒 Primary Camshaft Drive Chain Guide Replacement - Lower

Removal Procedure
  1. Remove the primary camshaft drive chain tensioner. Refer to Primary Camshaft Drive Chain Tensioner Replacement .
  2. Transfer the chain slack from the primary camshaft drive chain tensioner area to the primary camshaft drive chain lower guide area by moving the chain links counterclockwise around the crankshaft sprocket.

    3. Object Number: 742044 Size: SH
  3. Remove the chain guide access plug (4) located in the cylinder head. Note the O-ring seal on the access plug.

    4. Object Number: 520864 Size: SH
  4. Remove the primary drive chain lower guide bolts.
  5. Remove the primary camshaft drive chain lower guide in the following order:
    6. 5.1. Rotate the guide clockwise.
    5.2. Pull the guide downward through the front cover area.

Installation Procedure

    Object Number: 520864 Size: SH
  1. Install the primary camshaft drive chain lower guide in the following order:
    2. 1.1. Position the guide upward through the front cover area.
    1.2. Rotate the guide counterclockwise around the drive chain.

    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.

  2. Install the primary camshaft drive chain lower guide bolts.

    3. Tighten
    Tighten the primary camshaft drive chain guide bolts to 30 N·m (22 lb ft).


    Object Number: 742044 Size: SH

    Important: Ensure that the chain guide access plug has an O-ring installed.

  3. Install the chain guide access plug (4).

    4. Tighten
    Tighten the chain guide access plug to 5 N·m (44 lb in).

  4. Rotate the crankshaft clockwise only enough to transfer the chain slack to the primary drive chain tensioner side.
  5. Transfer the chain slack from the primary camshaft drive chain lower guide area to the primary camshaft drive chain tensioner area by moving the chain links clockwise around the crankshaft sprocket.
  6. Install the primary camshaft drive chain tensioner. Refer to Primary Camshaft Drive Chain Tensioner Replacement .