Steering; Power Steering; Steering System - Jeep Wrangler 1997 Manual

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MANUAL STEERING GEAR . . . . . . . . . . . . . . . . . 21 POWER STEERING . . . . . . . . . . . . . . . . . . . . . . . . 1
POWER STEERING GEAR . . . . . . . . . . . . . . . . . . . 9 STEERING COLUMN . . . . . . . . . . . . . . . . . . . . . . 29
POWER STEERING PUMP . . . . . . . . . . . . . . . , . . . 4 STEERING LINKAGE . . . . . . . . . . . . . . . . . . . . . . 31
GENERAL INFORMATION
STEERING SYSTEM . . . . . . . . . . . . . . . . . . . . . . 1
GENERAL INFORMATION
STEERING SYSTEM
The vehicle uses manual steering or optional power
steering .
The power steering system has a hydraulic pump . The
pump is a constant flow rate and displacement, vane-type
pump. The pump on the 4.OL engine has a reservoir
mounted to it (Fig. 1). The 2 .5L engine has a separate
pump reservoir mounted to the fan shroud (Fig. 2).
The steering gear used is a recirculating ball type
gear . The gear acts as a rolling thread between the
worm shaft and rack piston . The worm shaft is sup-
STEERING
GEAR
Fig. 1 Power Steering Gear & Pump-4.OL
STEERING
CONTENTS
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POWER STEERING
RETURN
HOSE
80a1c394
INDEX
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STEERING
19-1
DIAGNOSIS AND TESTING
POWER STEERING SYSTEM DIAGNOSIS
CHARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
ported by a thrust bearing at the lower end and a
bearing assembly at the upper end . When the worm
shaft is turned the rack piston moves. The rack pis-
ton teeth mesh with the pitman shaft. Turning the
worm shaft turns the pitman shaft, which turns the
steering linkage. This gear is used on all models .
The power steering system consists of-
" Hydraulic pump
" Recirculating ball steering gear
" Steering column
" Steering linkage
Fig. 2 Power Steering Gear & Pump-2.5L
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