2016 Mazda 5 GS, Automatic TransFACTORY OEM SERVICE PROCEDURE

Crankshaft Position (CKP) Sensor Removal/Installation: Installation

CAUTION:
  • When foreign material such as an iron chip is on the CKP sensor, it can cause abnormal output from the sensor because of flux turbulence and adversely affect the engine control. Be sure there is no foreign material on the CKP sensor when replacing.
  • Do not assemble the CKP sensor or change the installation position using any method other than the following. Otherwise, it could negatively affect engine controls, such as the ignition timing and fuel injection.
  1. Perform the following procedure so that cylinder No. 1 is at TDC.
    1. Disconnect the drive shaft (RH) from joint shaft, set the drive shaft (RH) out of the way. (MTX) (See DRIVE SHAFT REMOVAL/INSTALLATION .)
    2. Remove the cylinder block lower blind plug and install the SST.
      G13726875Courtesy of MAZDA MOTORS CORP.
    3. Rotate the crankshaft pulley clockwise until the crank weight contacts the SST so that cylinder No. 1 is at TDC.
  2. Fit the center of the CKP sensor with the fifth tooth (counting counterclockwise from the empty space A as shown in the figure) of the pulse wheel.
    G13726876Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • If the line is not accurately drawn, ignition timing, fuel injection and other engine control systems will be adversely effected. Draw the straight line carefully using a straight edge.
  3. Align the center line of the CKP sensor and the line drawn in Step 2, then install the sensor.
  4. Install the CKP sensor fitting bolts.
    Fig 1: Crankshaft Position Sensor Bolts With Torque Specification
    G13726877Courtesy of MAZDA MOTORS CORP.
  5. Remove the SST then install the cylinder block lower blind plug.
    Fig 2: Cylinder Block Lower Blind Plug With Torque Specification
    G13726878Courtesy of MAZDA MOTORS CORP.
  6. Install the drive shaft (RH). (MTX) (See DRIVE SHAFT REMOVAL/INSTALLATION .)
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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.

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