Clutch B Measurement

WARNING: This page is about a different variant/trim than selected.

When the B-clutch is replaced, the proper selectable shim must be installed to achieve specified clearance.

Measurement (special tool #8901A, Pressing Tool), (special tool #10429, Gauge, Force)

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Place the clutch B, with the wave plate on top, on a suitable arbor press.
Position tools (special tool #8901A, Pressing Tool) (3) (using just the cross bar) (3) and (special tool #10429, Gauge, Force) (2) on top of the B-clutch wave plate (1) and under the press ram.

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Apply 500 N (112 lbs.) of downward force on clutch B to compress the wave plate.
Using a suitable micrometer, measure the thickness of the compressed clutch B (3). Record the measurement as (A) to calculate the clutch B clearance in order to determine the correct selectable shim thickness.

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With a suitable depth micrometer, place it at the mounting surface of the transmission oil pump (2) and measure to the base of the B-clutch retainer on the case (1). This measurement should be 61.05 mm. Record the measurement as (B) to calculate the clutch B clearance in order to determine the correct selectable shim thickness.

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Using a suitable depth micrometer, measure the clutch B piston.
Measure between the fluid pump sealing surface and the bottom of the straight edge. Record the measurement as (C) to calculate the clutch B clearance in order to determine the correct selectable shim thickness.

Calculation

Take the case depth (B) subtract (C) subtract (A) remainder is the clearance of the clutch B. If the clearance is not within specification a thinner or thicker reaction plate can be installed to achieve proper clearance.