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42RH/46RH/47RH TRANSMISSION DIAGNOSIS AND TESTING
BR
(5) Install new pump seal, O-ring, gasket, bushing.
Replace oil pump if cracked, porous or damaged in
any way.
(6) Loosen kickdown lever pin access plug three
turns. Apply Permatex No. 2 or equivalent to plug
threads and tighten plug to 17 N-m (150 in-lbs)
torque.
(7) Adjust front band.
(8) Lubricate pump seal and converter hub with
transmission fluid or petroleum jelly and install con
verter.
(9) Install transmission and converter housing
dust shield.
(10) Lower vehicle.
DIAGNOSIS CHARTS
The diagnosis charts provide additional reference
when diagnosisng a transmission fault. The charts
provide general information on a variety of transmis
sion, overdrive unit and lockup torque converter fault
conditions.
The hydraulic flow charts outline fluid flow and hy
draulic circuitry. Circuit operation is provided for
neutral, third, fourth and reverse gear ranges. Nor
mal working pressures are also supplied for each of
the gear ranges.