CYLINDER HEAD TEMPERATURE (CHT) SENSOR REMOVAL/INSTALLATION [MZI-3.7]

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  Note
  • Do not reuse the CHT sensor, install a new sensor.

1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7].)

2. Perform the following procedure for easier access:

  1. Complete the “BEFORE SERVICE PRECAUTION”. (See BEFORE SERVICE PRECAUTION [MZI-3.7].)
  2. Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION [MZI-3.7].)
  3. Remove the ventilation hose. (See QUICK RELEASE CONNECTOR (EMISSION SYSTEM) REMOVAL/INSTALLATION [MZI-3.7].)
  4. Remove the throttle body connector. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-3.7].)
  5. Remove the vacuum hose (to purge solenoid valve). (See QUICK RELEASE CONNECTOR (EMISSION SYSTEM) REMOVAL/INSTALLATION [MZI-3.7].)
  6. Remove the vacuum hose (to master back). (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-3.7].)
  7. Remove the dynamic chamber. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-3.7].)
  8. Remove the fuel hose. (See QUICK RELEASE CONNECTOR (EMISSION SYSTEM) REMOVAL/INSTALLATION [MZI-3.7].)
  9. Remove the fuel distributor. (See FUEL INJECTOR REMOVAL/INSTALLATION [MZI-3.7].)
  10. Remove the intake manifold. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-3.7].)

3. Disconnect the CHT sensor connector.

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4. Remove the CHT sensor using the following tools:

  • Deep socket
  3/8" Drive 20 mm, 6 point
  • Ratchet handle and torque wrench
  3/8" Drive, Compact head type

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5. Install in the reverse order of removal.

  Tightening torque

  9—10 N·m {92—101 kgf·cm, 80—88 in·lbf}

6. Complete the “AFTER SERVICE PRECAUTION”. (See AFTER SERVICE PRECAUTION [MZI-3.7].)