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Home >> Mazda >> 2016 >> CX-9 Touring, AWD >> Repair and Diagnosis >> Suspension >> Rear Suspension System >> Rear CROSSMEMBER Removal/Installation (2WD) >> Notes

Rear CROSSMEMBER Removal/Installation (2WD): Notes

WARNING:
  1. Verify that the rear crossmember is securely supported by a jack. If the rear crossmember falls off, it can cause serious injury or death, and damage to the vehicle.
CAUTION:
  • Performing the following procedures could cause an open circuit in the rear ABS wheel-speed sensor wiring harness if it is pulled by mistake. Before servicing, disconnect the rear ABS wheel-speed sensor and set it aside so that the wiring harness will not be pulled by mistake.
  1. Align the rear crossmember component and rear upper arm and mark them.
    Fig 1: Aligning Rear Crossmember Component And Rear Upper Arm Mark
    G10947381Courtesy of MAZDA MOTORS CORP.
  2. Switch the ignition ON (engine off).
  3. Release the electric parking brake.
  4. Switch the ignition off.
  5. Disconnect the negative battery terminal. (Refer to NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  6. Remove the wheels and tires. (Refer to WHEEL AND TIRE REMOVAL/INSTALLATION .)
  7. Disconnect the wiring harness clips and connector installed to the rear crossmember.
    Fig 2: Locating Wiring Harness Clips
    G10947382Courtesy of MAZDA MOTORS CORP.
  8. Remove the auto leveling sensor.
    Fig 3: Removing Auto Leveling Sensor
    G10947383Courtesy of MAZDA MOTORS CORP.
  9. Disconnect the rear ABS wheel-speed sensor wiring harness and the electric parking brake motor gear unit connector and set it aside so that it does not interfere with the servicing.
    Fig 4: Disconnecting Rear ABS Wheel-Speed Sensor Wiring Harness
    G10947384Courtesy of MAZDA MOTORS CORP.
  10. Remove the following parts:
    1. Floor under cover No. 2 (Refer to FLOOR UNDER COVER REMOVAL/INSTALLATION .)
    2. Floor under cover No. 1 (Refer to FLOOR UNDER COVER REMOVAL/INSTALLATION .)
    3. Brace bar
      Fig 5: Identifying Floor Under Cover Bolts
      G10947385Courtesy of MAZDA MOTORS CORP.
    4. Tunnel member
    5. TWC (Refer to EXHAUST SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G 2.5T] .)
    6. Protector (Refer to REAR LATERAL LINK REMOVAL/INSTALLATION .)
    7. Rear lateral link (Refer to REAR LATERAL LINK REMOVAL/INSTALLATION .)
    8. Rear coil spring (Refer to REAR COIL SPRING REMOVAL/INSTALLATION .)
    9. Rear lower arm (Refer to REAR LOWER ARM REMOVAL/INSTALLATION .)
  11. Disconnect the rear upper arm from the hub support. (Refer to REAR UPPER ARM REMOVAL/INSTALLATION (2WD) .)
  12. Remove in the order indicated in the table.
  13. Install in the reverse order of removal. (Refer to SUSPENSION LINKS INSTALLATION NOTE .)
  14. Inspect the wheel alignment and adjust it if necessary. (Refer to REAR WHEEL ALIGNMENT .)
  15. Perform the headlight auto leveling system initial setting. (Refer to HEADLIGHT AUTO LEVELING SYSTEM INITIALIZATION .)
    Fig 6: Rear Crossmember Components
    G10947386Courtesy of MAZDA MOTORS CORP.
    COMPONENT DESCRIPTION

    1 Rear crossmember component
    (See Rear Crossmember Component Removal Note .)
    (See Rear Crossmember Component Installation Note .)
    2 Rear stabilizer component
    3 Rear upper arm
    (See REAR UPPER ARM REMOVAL/INSTALLATION (2WD) .)
    4 Rear crossmember mudguard
    5 Rear crossmember
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