GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 45185 Bore Gage Set


    Object Number: 749558  Size: SH
  1. Using the J 45185 , measure the inner diameter of the fluid pump body bushing. Measure the bushing in different locations and take the average.
  2. Use micrometer to measure J 45185 reading.
  3. Specification
    Fluid pump body bushing I.D: 38.113 - 38.188 mm (1.500 - 1.503 in)


    Object Number: 749560  Size: SH
  4. Using the J 45185 , measure the inner diameter of the stator shaft bushing. Measure the bushing in different locations and take the average.
  5. Use micrometer to measure J 45185 reading.
  6. Specification
    Stator shaft bushing I.D: 22.201 - 22.257 mm (0.874 - 0.876 in)

  7. Replace the fluid pump assembly if the measurements are greater than the specification.