2013 Mazda MX-5 Miata Grand Touring, Automatic TransFACTORY OEM SERVICE PROCEDURE

Crankshaft Position (CKP) Sensor Removal/Installation: Installation

CAUTION:
  • When foreign material, such as an iron chips, gets on the CKP sensor, it can cause abnormal output from the sensor because of flux turbulence and adversely affect engine control. Be sure there is no foreign material on the CKP sensor when replacing.
  1. Perform the following procedure so that piston No. 1 is at the top dead center.
    1. Move the ATF hose slightly out of the way. (AT)
      Fig 1: Identifying ATF Hose
      G06151100Courtesy of MAZDA MOTORS CORP.
    2. Remove the cylinder block lower blind plug and install the SST. 
    3. Turn the crankshaft pulley to the clockwise until it stops.
      Fig 2: Identifying Cylinder Block Lower Blind Plug
      G07877812Courtesy of MAZDA MOTORS CORP.
  2. Using a straight edge, draw a straight line directly in the center of the 5th tooth of the crankshaft pulley pulse wheel (counting counterclockwise from the empty space).
    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 CKP sensor.
    Fig 3: Identifying CKP Sensor, Center Line Of CKP Sensor And Paint Mark At 5Th Tooth
    G06151102Courtesy of MAZDA MOTORS CORP.
  4. Install the CKP sensor fitting bolts.

    Tightening torque 

    5.5-7.5 N.m {56-76 kgf.cm, 49-66 in.lbf} 

  5. Remove the SST then install the cylinder block lower blind plug.

    Tightening torque 

    18-22 N.m {1.9-2.2 kgf.m, 14-16 ft.lbf} 

  6. Install in the reverse order of removal.
Factory Service Tools

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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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