Contents: Removal ⬇ Installation ⬇
Removal
1. Remove the heater unit (see Chapter 5).
2. Disconnect the negative battery cable.
3. Disconnect the wiring from the stepper motor (see illustration).
4. Remove the two screws, then take out the stepper motor. Remove and discard the O-ring (see illustrations).
Installation
5. Installation is carried out in the reverse order of removal, pay attention to the following:
- a) Install the new O-ring, applying a light coat of grease to ease installation.
- b) To prevent damage to the throttle body or stepper motor (the plunger tip of the motor projects more than 28 mm from the contact surface of the motor), gently push the plunger in until it stops. After the engine starts, the stepper motor will need to be reset using the ECU.
- c) Apply a few drops of Locking Compound to the threads, then carefully tighten the screws to the specified tightening torque Specifications.
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