Tools Required

J 3049-A Valve Lifter Remover (Slide Hammer Type)

1. Disconnect the battery negative cable from the battery. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
2. Remove the upper intake manifold from the lower intake manifold. Refer to Intake Manifold Replacement .
3. Remove the lower intake manifold from the cylinder heads. Refer to Intake Manifold Replacement .
4. Remove the valve rocker arm cover from the cylinder head. Refer to Valve Rocker Arm Cover Replacement .
5. Remove the valve rocker arm from the cylinder head. Refer to Valve Rocker Arm and Push Rod Replacement .
6. Remove the push rod from the engine block. Refer to Valve Rocker Arm and Push Rod Replacement .



7. Remove the valve lifters one at a time. Place the valve lifters in an organizer rack in order to ensure that the valve lifters are later returned to the original bore during installation.

A stuck valve lifter can be removed using J 3049-A .

Important: Replace the engine oil and oil filter if new valve lifters or a new camshaft is installed. Add engine oil supplement GM P/N 1052367 or the equivalent to the crankcase oil.

1. Install the valve lifters and guide into the engine block. Lubricate the valve lifter and the body with engine oil supplement GM P/N 1052367 or the equivalent.
2. Install the push rods into the engine block. Refer to Valve Rocker Arm and Push Rod Installation .
3. Install the valve rocker arms to the cylinder head. Refer to Valve Rocker Arm and Push Rod Installation .
4. Install the valve rocker arm cover to the cylinder head. Refer to Valve Rocker Arm Cover Replacement .
5. Install the lower intake manifold to the lower intake manifold. Refer to Intake Manifold Replacement .
6. Install the upper intake manifold to the lower intake manifold. Refer to Intake Manifold Replacement .
7. Connect the battery negative cable to the battery. Refer to Battery Negative Cable Disconnection and Connection .