Mazda MX-5 NA silhouetteMX-5 NA

ON-VEHICLE MAINTENANCE — Harnesses, Water bypass pipe, Cylinder head bolt

B-18prose procedure
Continued from B-17

Harnesses

  1. 1
    Disconnect the harness connectors shown in the figure.
    Engine-bay view showing harness connector locations to disconnect, with callouts for INJECTOR, GROUND, CRANK ANGLE SENSOR, IGNITION COIL, OXYGEN SENSOR, P/S PRESSURE SWITCH, WATER THERMOSWITCH, ISC, and THROTTLE SENSOR.
    05U0BX-040

Removal note

Water bypass pipe

  1. 1
    Remove the exhaust manifold nut as shown in the figure.
    Close-up view of exhaust manifold area with an arrow pointing to the exhaust manifold nut to be removed for water bypass pipe access.
    05U0BX-041
  2. 2
    Remove the water bypass pipe from the cylinder head assembly.

Cylinder head bolt

Cylinder head bolt — Removal

  1. 1
    Loosen the cylinder head bolts in two or three steps in the order shown in the figure.
    Top view of cylinder head showing the numbered loosening sequence (1 through 10) for cylinder head bolts.
    05U0BX-042
  2. 2
    Remove the cylinder head bolts.
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