GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC P42 Commercial Chassis 🢒 Engine 🢒 Engine Mechanical - 5.0L and 5.7L 🢒 Valve Lifter Replacement

Removal Procedure

Tools Required

J 3049-A


    Object Number: 343948 Size: SH
  1. Remove the intake manifold. Refer to Intake Manifold Replacement .

    2. Object Number: 343915 Size: SH
  2. Remove the pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .

    3. Object Number: 11508 Size: SH

    Important: The valve lifters and the valve lifter guides must be installed in the same location from which the components were removed.

  3. Remove the valve lifter guide retainer.

    4. Object Number: 11509 Size: SH
  4. Remove the valve lifter guides.

    5. Important: Place the valve lifters in a rack in the upright position in order to maintain the oil inside the valve lifter.

  5. Remove the valve lifters one at a time.

    6. Object Number: 31350 Size: SH
  6. A stuck valve lifter can be removed using the J 3049-A in order to obtain access to the valve lifter.
  7. Inspect the valve lifter. Refer to Valve Lifters and Guides Clean and Inspect .

Installation Procedure

Important: 

   • When you install the new valve lifters or a new engine camshaft, change the engine oil and the oil filter. Refer to Engine Oil and Oil Filter Replacement .
   • Add Engine Oil Supplement GM P/N 1052367 or the equivalent to the engine oil.
   • Replace all the valve lifters when you install a new engine camshaft.


    Object Number: 11509 Size: SH
  1. Install the valve lifters one at a time. Refer to Valve Lifter Installation .

    2. Object Number: 11508 Size: SH
  2. Install the guides and the valve lifter guide retainer. Refer to Valve Lifter Installation .

    3. Object Number: 343915 Size: SH
  3. Install the valve pushrods. Refer to Valve Rocker Arm and Push Rod Installation .

    4. Object Number: 343948 Size: SH
  4. Install the intake manifold. Refer to Intake Manifold Replacement .