C Yukon 2WD V8-5.7L VIN R (1999)
1. Clean the seal surface on the intake manifold.
2. Install a new flange seal.
3. Install the throttle body assembly.
NOTE: Refer to Fastener Notice in Cautions and Notices.
4. Install the throttle body assembly retaining fasteners.
Tighten
Tighten the throttle body retaining fasteners to 9 N.m (80 lb in).
5. Install the air cleaner adaptor stud.