Tools Required

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J 45185 Bore Gage Set. See Special Tools .

Fig 1: Measuring Inner Diameter Of Fluid Pump Body Bushing

Courtesy of GENERAL MOTORS CORP.

Using the J 45185 , measure the inner diameter of the fluid pump body bushing. See Special Tools . Measure the bushing in different locations and take the average.
Use micrometer to measure J 45185 reading. See Special Tools .
Specification: Fluid pump body bushing I.D: 38.113 - 38.188 mm (1.500 - 1.503 in)

Fig 2: Measuring Inner Diameter Of Stator Shaft Bushing

Courtesy of GENERAL MOTORS CORP.

Using the J 45185 , measure the inner diameter of the stator shaft bushing. See Special Tools . Measure the bushing in different locations and take the average.
Use micrometer to measure J 45185 reading. See Special Tools .
Specification: Stator shaft bushing I.D: 22.201 - 22.257 mm (0.874 - 0.876 in)
Replace the fluid pump assembly if the measurements are greater than the specification.