Variable Valve Timing Actuator: Service and Repair
Variable Valve Timing (VVT) Unit
This is a "Trustmark Authoring Standards (TAS) Repair Procedure"
- TAS style procedures can be identified by steps that have no accompanying step text and the magenta color of the electrical connectors and fasteners such as nuts, bolts, clamps or clips.
- TAS removal and installation procedures use a sequence of color illustrations to indicate the order to be followed when removing/disassembling or installing/assembling a component.
- Many of the TAS procedures will have the installation information within the removal steps.
- The TAS color illustrations use a variety of symbols to indicate important details of the procedures. It is important to understand these symbols in order to properly used the TAS procedures.
Refer to How to Use TAS Procedures and TAS Symbol Glossary at Vehicle | Description and Operation for additional information on these TAS procedures.
For additional information, refer to How to Use TAS Procedures How to Use TAS Procedures
Removal
CAUTION: Extreme cleanliness must be exercised when handling these components.
NOTE:
This procedure is the same as the timing chain and gears procedure.
1 Remove the cover and disconnect the battery ground cable.
For additional information, refer to Specifications Specifications
2 Remove the variable valve timing (VVT) unit.
For additional information, refer to Timing Chain Service and Repair
Installation
1 Install the VVT unit.
For additional information, refer to Timing Chain Service and Repair
2 Connect the battery ground cable and install the cover.
For additional information, refer to Specifications Specifications