Removal & Installation
- Drain cooling system.
- Raise and support the vehicle.
- Disconnect the crankshaft position (CKP) sensor electrical connector.
- Disconnect the A/C compressor electrical connector.
- Lower the vehicle.
- Disconnect the A/C cycling switch connector.
- Disconnect the fuel lines. For additional information, refer to FUEL SYSTEM - GENERAL INFORMATION or FUEL SYSTEM - GENERAL INFORMATION - NATURAL GAS .
- Disconnect the ignition coils electrical connectors.
- Disconnect the fuel injector electrical connectors.
- Remove the positive crankcase ventilation (PCV) tube and position out of the way.
- Disconnect the electrical connector.
- Remove the evaporative emission (EVAP) canister purge valve. For additional information, refer to EVAPORATIVE SYSTEM PURGE VALVE .
- Reposition the hold-down clamp and remove the hose from the bypass tube.
- Disconnect the harness from the valve cover and position out of the way.
- Remove the LH engine mount. For additional information, see ENGINE MOUNT - LH .
- Lower engine.
- Remove the studs, the bolts and the valve cover.
- To install, reverse the removal procedure.
- Apply sealant in the location shown.
- Tighten the bolts in the sequence shown.
NOTE:
The valve cover harness retaining studs positions 2 and 3 retain the fuel charging wiring.











