K Yukon/Denali 4WD V8-6.5L DSL Turbo VIN S (1999)
Valve Cover: Service and Repair
REMOVAL PROCEDURE
1. Disconnect both the battery negative cables from the batteries. Refer to Battery Cable in Powertrain Management.
2. Remove the CDR valve from the valve rocker arm cover.
3. Remove the upper intake manifold from the lower intake manifold. Refer to Intake Manifold Replacement (Upper).
4. Remove the lower intake manifold from the cylinder head(s). Refer to Intake Manifold Replacement (Lower).
5. Remove the heat shield between the turbocharger and the valve rocker arm cover (right side only).
6. Remove the engine wiring harness from the rear of the right valve rocker arm cover and move to the side (for removing the right side valve rocker
arm cover only).
IMPORTANT: It is not necessary to disconnect the glow plug electrical connector to perform this service procedure.
7. Remove the engine wiring harness from the left side of the engine and move to the side (for removing the left valve rocker arm cover only).
