
| Preliminary ProceduresRemove the upper I/P trim panel. Refer toInstrument Panel Upper Trim Panel Replacement.Reposition any wiring or hoses to gain access to air inletvalve actuator. | |
1 | Air Inlet Valve Actuator Screw (Qty:-3) Caution:Refer toFastener Caution Tighten1.5-Y(13-lb-in) |
2 | Air Inlet Valve Actuator ProcedureDisconnect wiring connector at actuatorCalibrate the air inlet valve actuator. Refer toActuator Recalibration. |
Heater Outlet Hose Replacement (LEA)
Air Inlet Valve Actuator ReplacementSelecting the Right Engine Oil
(Diesel Engines)
Selecting the right engine oil
depends on both the proper oil
specification and viscosity grade:
Specification
Ask for and use engine oils that
meet the dexos2 specification.
Engine oils that have been
approved by GM as meeting the
dexos2 specification are marked
with the dexos2 approved ...