K Yukon/Denali 4WD V8-6.5L DSL Turbo VIN S (1999)
1. Install the lower intake manifold gasket to the cylinder head.
2. Install the lower intake manifold to the cylinder head.
IMPORTANT: There are four stud/bolts, numbers 9, 11, 13, and 15 exposed to the crankcase, and should be sealed with Teflon sealer. Apply
thread locker GM P/N 12345493 to the threads of bolts and studs numbers 1 through 8 and 10, 12, 14, and 16.
NOTICE: Refer to Fastener Notice in Service Precautions.
3. Install the lower intake manifold bolts to the cylinder head.
^
Tighten the bolts to 42 Nm (31 lb ft).
4. Install the EGR/Boost solenoids (L56 only) with the bracket to the intake manifold studs.
5. Install the Glow Plug Relay to the lower intake manifold. Refer to Glow Plug Relay Replacement in Powertrain Managements.
