STEERING ± Power Steering Gear Box and Linkage
37A-26
" HA LOWER OIL SEAL INSTALLATION
Using the special tool, press the oil seal into the valve housing.
The upper surface of the oil seal must project outwards about
1 mm from the housing end surface.
Caution
When the oil seal is flush with or lower than the housing
edge, reassemble the components. Otherwise, oil leaks
will result.
" IA RACK SUPPORT COVER/LOCKING NUT
INSTALLATION
1. Apply specified sealant to the rack cover support thread.
Specified fluid:
3M ATD Part No.8661 or equivalent
2. Using the special tool, tighten the rack support cover to
22 Nm.
3. Return the rack support cover by about 30_.
4. Tighten the locking nut to the specified torque, using the
special tool to prevent the rack support cover from spinning.
" JA PINION TOTAL ROTATION TORQUE ADJUSTMENT
1. Using the special tool, measure total rotation torque by
turning the pinion gear at a speed of one rotation per
4 to 6 seconds.
Standard value:
Total rotation torque: 0.6 ± 1.5 Nm
Torque fluctuation: 0.5 Nm or less
2. If the total rotation torque or torque fluctuation does not
meet the standard values, adjust by returning the rack
support cover within a range of 0 to 30_.
Caution
(1) Adjust around the maximum limit of the standard
values.
(2) See that no ratcheting or catching are present
when operating the rack towards the shaft
direction.
(3) Measure the total pinion torque through the whole
stroke of the rack.
3. If the adjustment is impossible in the given range, check
the components of the rack support cover, and replace
if necessary.
Approx. 1 mm
MB990941
Oil
seal
Housing
MB991621
MB991006
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