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HOMESERVICE MANUALSMAZDA2008CX-7 GRAND TOURING, 2.3 L, FWDREPAIR AND DIAGNOSISENGINE MECHANICALMECHANICALENGINE MECHANICAL [SERVICE INFORMATION 2.3L)TIMING CHAIN REMOVAL/INSTALLATION [L3 WITH TC]NOTES
2008 Mazda CX-7 Grand Touring, 2.3 L, FWD

Timing Chain Removal/Installation [L3 With TC]: Notes

2008 Mazda CX-7 Grand Touring, 2.3 L, FWDSECTION Notes
  1. Disconnect the negative battery cable.
  2. Remove the under cover.
  3. Remove the splash shield.
  4. Remove the charge air cooler. (See INTAKE AIR SYSTEM REMOVAL/INSTALLATION[L3 WITH TC] ).
  5. Remove the high pressure fuel pump. (See HIGH PRESSURE FUEL PUMP REMOVAL/INSTALLATION[L3 WITH TC] ).
  6. Remove the ignition coils. (See IGNITION COIL REMOVAL/INSTALLATION[L3 WITH TC] ).
  7. Disconnect the wiring harness.
  8. Remove the ventilation hose.
  9. Remove the drive belt. (See DRIVE BELT REMOVAL/INSTALLATION[L3 WITH TC] .)
  10. Remove the crankshaft position (CKP) sensor. (See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION[L3 WITH TC] ).
  11. Remove the P/S oil pump with the hoses and pipes still connected. (See POWER STEERING OIL PUMP REMOVAL/INSTALLATION ).
    NOTE:
    • Position and secure the P/S oil pump out of the way with a rope or wire.
  12. Remove the bracket shown in the figure, and place the power steering pressure hose outside of the vehicle.
  13. Remove in the order indicated in the figure. See Fig 1.
    Fig 1: Exploded View Of Cylinder Head Components With Torque Specifications
    G04859473Courtesy of MAZDA MOTORS CORP.
  14. Install in the reverse order of removal.
  15. Start the engine and inspect and adjust the following:
    1. Engine oil amount (See ENGINE OIL LEVEL INSPECTION[L3 WITH TC] ).
    2. Runout and contact of pulley and belt.
    3. Ignition timing, idle speed, and idle mixture (CO and HC) verification (See ENGINE TUNE-UP[L3 WITH TC] .)
      Fig 2: Power Steering Pressure Hose And Steering Gear With Torque Specifications
      G04859472Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.