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Description
YST060
POWER STEERING GEAR
ST-12
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YST061
POWER STEERING GEAR
Description (Cont'd)ST-13
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Removal and Installation
Before removing, clean exteriors of gear housing and oil pump
with steam and dry with compressed air.
STEERING GEAR
IThe steering gear must not be disassembled. Replace as an
assembly.
I Remove only the parts shown in the illustration.
NST008
POWER STEERING GEAR
ST-14
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Inspection and Adjustment
STEERING GEAR PRELOAD
Measure preload in worm gear.
1. Mount steering gear to Tool (KV48100301) and place it in avise, as shown in the illustration.
2. Turn worm gear several times by hand completely to the left and right (full lock to lock).
3. Measure preload at 360É from straight-ahead position.
a. Turn worm gear counterclockwise until full lock position. Then turn clockwise more than two turns until the straight-
ahead position.
Straight-ahead position is the position where the two mat-
ing marks are in line (approx. 765É from full lock position).
b. Turn worm gear one full turn (360É) clockwise and measure total preload at this position.
c. Turn worm gear two full turns (720É) counterclockwise and measure total preload.Total preload at 360É from straight-ahead position:
: 0.4 - 1.2 N ×m (0.04 - 0.12 kg-m, in-lb)
4. Measure total preload at straight-ahead position.
a. Place worm gear in straight-ahead position. See step 3.a.
b. Measure total preload in straight-ahead position. Total preload at straight-ahead position:
: 0.6 - 1.6 N ×m (0.06 - 0.16 kg-m ,5-14in-lb)
5. If either one of the above measured values are not within specifications, adjust total preload by turning sector shaft
adjusting screw. Tighten adjusting screw lock nut with tools.Lock nut:
:30N ×m (3 kg-m, 22 ft-lb)
YST022
YST023
SST653A
EST011
POWER STEERING GEAR
ST-15
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Removal and Installation
YST062
POWER STEERING OIL PUMP
ST-16
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Removal and Installation
YST063
STEERING LINKAGE
ST-17
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Remove gear arm with Tool.
Remove tie-rod from knuckle arm with Tool.
YST064
YST024
NFA010
STEERING LINKAGE
Removal and Installation (Cont'd)ST-18
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Disassembly and Assembly
IDLER ARM ASSEMBLY
IApply coat of multi-purpose grease to bushing.
I Press bushing into idler body, and insert shaft of idler bracket
carefully until bushing protrudes.
Tighten nut to the specified torque.
:54-69N ×m (5.5 - 7.0 kg-m, 40 - 50 ft-lb)
CROSS ROD AND TIE-ROD
1. When tie-rod ball joints and tie-rod bar are separated, adjust
tie-rod length correctly.
Adjustment should be done between ball stud centers.L: Standard 287 mm (11.30 in)
2. Lock tie-rod clamp nuts so that ball joint on outer ball stud is as follows with respect to that on inner ball stud.
CAUTION:
Make sure that tie-rod bars are screwed into tie-rod tube more
than 35 mm (1.38 in). Refer to illustration.
NST012
YST019
STEERING LINKAGE
ST-19
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