C Yukon 2WD V8-5.7L VIN R (1999)
1. Install the valve lifters one at a time. Refer to Valve Lifter Installation.
2. Install the valve lifter guide retainer. Refer to Valve Lifter Installation.
3. Install the pushrods. Refer to Valve Rocker Arm and Push Rod Installation.
4. Install the intake manifold. Refer to Intake Manifold Replacement (Lower).