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Home >> Mazda >> 2006 >> MX-5 Miata Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Crankshaft Position (CKP) Sensor Removal/Installation >> Installation
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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: Removing ATF Hose
      G04323036Courtesy of MAZDA MOTORS CORP.
    2. Remove the cylinder block lower blind plug and install the SST. 
    3. Fig 2: Installing SST
      G04323037Courtesy of MAZDA MOTORS CORP.
    4. Turn the crankshaft pulley to the clockwise until it stops.
  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: Installing CKP Sensor
    G04323038Courtesy 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.