Procedures
Valve Rocker Arm and Push RodReplacement
- Tools Required
- J 45059 Torque Angle Meter
Removal Procedure
1. Remove the valve rocker arm cover.
2. Remove the rocker arm bolts.
3. Remove the valve rocker arms and the pushrods.
Installation Procedure
1. Coat the ends of the push rods using Engine Oil Supplement (EOS) GM P/N 12345501 (Canadian P/N 992704/88862586) or the equivalent.
Important: The intake valve push rods measure 144 mm (5.75 inch) in length.
The exhaust valve push rods measure 152.5 mm (6.0 inch) in length.
2. Install the push rods in their original location.
3. Coat the rocker arm friction surfaces using Engine Oil Supplement (EOS) GM P/N 1052367 (Canadian P/N 992869) or the equivalent.
Notice: Refer to Fastener Notice in Service Precautions.
4. Install the valve rocker arm bolts.
Tighten
Tighten the bolts to 32 Nm (24 lb ft).
5. Install the valve rocker arm cover.