Removal Procedure
- Drain the coolant. Refer to Cooling and Radiator.
- Remove the coolant recovery reservoir. Refer to Cooling and Radiator.
- Remove the accessory drive belt. Refer to
Drive Belt Replacement
.
- Remove the upper intake manifold. Refer to
Upper Intake Manifold Replacement
.
- Remove the lower intake manifold. Refer to
Lower Intake Manifold Replacement
.
- Remove the valve rocker arms and pushrods. Refer to
Valve Rocker Arm and Push Rod Replacement
.
- Remove the lifter guide bolts.
- Remove the lifter guide.
- Remove the lifter.
Installation Procedure
- Coat the lifters with prelube, GM P/N 1052365
or equivalent.
- Install the lifters to the same location from which they were
removed.
- Install the lifter guide.
- Install the lifter guide bolts.
Tighten
Tighten the bolts to 10 N·m (89 lb in).
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.
- Install the valve rocker arms and pushrods. Refer to
Valve Rocker Arm and Push Rod Replacement
.
- Install the lower intake manifold. Refer to
Lower Intake Manifold Replacement
.
- Instal the upper intake manifold. Refer to
Upper Intake Manifold Replacement
.
- Install the accessory drive belt. Refer to
Drive Belt Replacement
.
- Install the coolant recovery reservoir. Refer to Cooling and Radiator.
- Refill the engine with coolant. Add two engine coolant sealant
pellets, GM P/N 3634621 or the equivalent. Refer to Cooling and Radiator.
- Bleed the engine cooling system. Refer to Cooling and Radiator.