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Home >> Mazda >> 2007 >> CX-9 Touring, 3.5 C, FWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (MZI-3.5) >> Knock Sensor (KS) Removal/Installation
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Knock Sensor (KS) Removal/Installation

NOTE:
  • Put a tray under the converter housing to receive the engine coolant.
  1. Disconnect the negative battery cable.
  2. Remove the following part for easier access. Perform the following procedure to remove the intake manifold
    1. Remove the ventilation hose. (see QUICK RELEASE CONNECTOR (EMISSION SYSTEM) REMOVAL/INSTALLATION )
    2. Remove the vacuum hose (to purge solenoid valve). (see QUICK RELEASE CONNECTOR (EMISSION SYSTEM) REMOVAL/INSTALLATION )
    3. Remove the fuel hose. (see QUICK RELEASE CONNECTOR (FUEL SYSTEM) REMOVAL/INSTALLATION )
    4. Remove the fuel distributor. (see FUEL INJECTOR REMOVAL/INSTALLATION .)
    5. Remove the intake manifold. (see INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  3. Remove in the order indicated in the table.
    NOTE:
    • Lubricate the new O-ring with clean engine coolant for installation.
  4. Install in the reverse order of removal.
    Fig 1: Identifying Tray Under Converter Housing
    G04969711Courtesy of MAZDA MOTORS CORP.
    Fig 2: Water Inlet Pipe And KS Connector With Torque Specifications
    G04969712Courtesy of MAZDA MOTORS CORP.
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