GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Pickup - 4WD 🢒 Engine 🢒 Engine Mechanical - 7.4L 🢒 Valve Lifter Installation

    Object Number: 173176 Size: SH

    Important: If a new camshaft is installed, replace all the valve lifters.

  1. Coat the valve lifter rollers with prelube, GM P/N 1052367 or equivalent.

    2. Important: If reusing the valve lifters, install in their original location. The valve lifter guide retainer must contact all of the valve lifter guides. If the valve lifter guide retainer is bent, the valve lifter guide retainer must be replaced.

  2. Install the valve lifters.
  3. Install the valve lifter guides.

    4. Object Number: 173193 Size: SH
  4. Install the valve lifter guide retainer.

    5. 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.

  5. Install the valve lifter guide retainer bolts.

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