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Home >> Mazda >> 2012 >> 6 i Touring >> Repair and Diagnosis >> External Pages >> Different car >> Section 571 (Engine Control System (MZI-3.7)) >> Heated Oxygen Sensor (Ho2S) Removal/Installation [MZI-3.7] >> HO2S (RH) Removal/Installation

HO2S (RH) Removal/Installation

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable.
  2. Remove the following part for easier access.
    1. Remove the windshield wiper arm and blade. See WINDSHIELD WIPER ARM AND BLADE REMOVAL/INSTALLATION .
    2. Remove the cowl grille. See COWL GRILLE REMOVAL/INSTALLATION .
    3. Remove the windshield wiper motor. See WINDSHIELD WIPER MOTOR REMOVAL/INSTALLATION .
    4. Remove the cowl panel. See COWL PANEL REMOVAL/INSTALLATION .
  3. Disconnect the HO2S (RH) connector.
  4. Remove the front wheel and tire (RH). See GENERAL PROCEDURES (SUSPENSION) .
  5. Remove the splash shield (RH).
  6. Disconnect the front drive shaft (RH) from the transaxle side. See DRIVE SHAFT REMOVAL/INSTALLATION .
    NOTE:
    • If necessary, lubricate the HO2S (RH) with Penetrating and Lock Lubricant loosen to aid in removal.
  7. Remove the HO2S (RH) using the SST  .
    NOTE:
    • Apply a light coat of anti-seize lubricant to the threads of the HO2S.
  8. Install in the reverse order of removal.
    Fig 1: Removing/Installing HO2S (RH) Using SST With Torque Specifications
    G06205281Courtesy of MAZDA MOTORS CORP.
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