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Steering Wheel Lexus GS II рестайлинг

Manual & Power Steering 8 illustrations ~507 words

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Scheme 10: INSPECTION
Scheme 10: INSPECTION

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Scheme 11

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Scheme 12
  1. CHECK STEERING WHEEL FREEPLAY Stop the vehicle and face the tires straight ahead. Rock the steering wheel gently up and down with a finger lightly, check the steering wheel freeplay. Maximum freeplay: 30 mm (1.18 in.)
  2. CHECK STEERING EFFORT Center the steering wheel. Remove the steering wheel pad (See «REMOVAL»(ref-182438-S00027038112005081000000) ). Start the engine and run it at idle. Measure the steering effort in both directions. Reference: 7 N.m (70 kgf.cm, 61 in.lbf) HINT: Be sure to consider the tire type, pressure and contact surface before making your diagnosis. Disconnect the PPS solenoid connector. Measure the steering effort in both directions and check that the steering effort exceeds the reference value in (d), and that the power assist is operating. If steering effort is not heavier than (d), check the solenoid. HINT: Take the tire type, pressure and contact surface into consideration before making your diagnosis. Connect the connector. Torque the steering wheel set nut. Torque: 50 N.m (510 kgf.cm, 37 ft.lbf) Install the steering wheel pad (See «INSTALLATION»(ref-182438-S02065264302005081000000) ).

REPAIR PROCEDURES

HINT

This is the repair procedure for steering off center.

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Scheme 13: REPAIR PROCEDURES
Scheme 13: REPAIR PROCEDURES

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  1. INSPECT STEERING WHEEL OFF CENTER Apply masking tape on the top center of the steering wheel and steering column upper cover. Drive the vehicle in a straight line for 100 meters at a constant speed of 35 mph (56 km/h), and hold the steering wheel to maintain the course. Draw a line on the masking tape as shown in the illustration. Turn the steering wheel to its straight position. HINT: Refer to the upper surface of the steering wheel, steering spoke and SRS airbag line for the straight position. Draw a new line on the masking tape of the steering wheel as shown in the illustration. Measure the distance between the 2 lines on the masking tape of the steering wheel. Convert the measured distance to steering angle. Measured distance 1 mm (0.04 in.) = Steering angle approximately 1 deg. HINT: Make a note of the steering angle.
  2. ADJUST STEERING ANGLE Draw a line on the RH and LH tie rod and rack ends where it can easily be seen. Using a paper gauge, measure the distance from RH and LH tie rod ends to the rack end screws. HINT: Measure the RH side and LH side. Make a note of the measured values. Remove the RH and LH boot clips from the rack boots. Loosen the RH and LH lock nuts. Turn the RH and LH rack end by the same amount (but in different directions) according to the steering angle. 1 turn 360 deg. of rack end (1.5 mm (0.059 in.) horizontal movement) = 12 deg. of steering angle Tighten the RH and LH lock nuts. Torque: 56 N.m (570 kgf.cm, 41 ft.lbf) NOTE: Make sure that the difference in length between RH and LH tie rod ends and rack end screws are within 1.5 mm (0.059 in.). Install the RH and LH boot clips.