Mazda MX-5 NA silhouetteMX-5 NA

OIL PUMP

D-12prose procedure
Continued from D-11

Disassembly Note

Oil seal

Oil seal disassembly

  1. 1
    Remove the oil seal with a screwdriver protected with a rag.
    Protect the pump body with a rag.
    Illustration of the oil pump body with a screwdriver wrapped in a rag prying out the oil seal. Caption inside the figure: 'PROTECT THE PUMP BODY WITH A RAG'.
    05U0DX-030

INSPECTION

Pressure Spring

Pressure spring inspection

  1. 1
    Inspect the spring for weakness or breakage.
  2. 2
    Measure the free length. Replace the spring if necessary.
    Photograph of vernier calipers measuring the free length of the pressure spring.
    05U0DX-031
Free length
45.5 mm (1.791 in)

Rotor Clearance

Rotor clearance inspection

  1. 1
    Measure the following clearances. Replace the rotor if necessary.
    Photograph of a feeler gauge being inserted between the inner and outer rotor teeth to measure the tooth tip clearance.
    05U0DX-032
Tooth tip clearance
0.20 mm (0.0079 in) max.
Outer rotor to pump body clearance
0.22 mm (0.0087 in) max.
Side clearance
0.14 mm (0.0055 in) max.
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