GM Service Manual Online
For 1990-2009 cars only

    Object Number: 11509  Size: SH
  1. Apply lubricant GM P/N 12345501 or equivalent to the valve lifter rollers.
  2. Important: If reusing the valve lifters, install the valve lifters in the original positions.

  3. Install the valve lifters.

  4. Object Number: 11508  Size: SH
  5. Install the valve lifter guides.
  6. Install the valve lifter guide retainer.
  7. 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.

  8. Install the valve lifter guide retainer bolts.
  9. Tighten
    Tighten the valve lifter guide retainer bolts to 25 N·m (18 lb ft).