Vehicles are equipped with front wheel drive and independent MacPherson strut (shock absorber) front suspension. RAV4 can also be equipped with all wheel drive. Suspension consists of vertically mounted strut assemblies, control arms, and stabilizer bar. Shock absorbers are mounted between inner fender and steering knuckle. Tie rod ends connect rack and pinion steering to steering knuckle. Ball joint connects steering knuckle to lower control arm. On some models, a suspension crossmember is used. A stabilizer bar attaches to lower control arms.
BALL JOINT CHECKING
NOTE: Ball joint must be removed for the following checking procedure. See LOWER
CONTROL ARM and BALL JOINTS under REMOVAL & INSTALLATION.
Remove ball joint and place in vise, with ball joint stud pointing upward. Flip stud back and forth about 5 times. Reinstall the ball joint nut. Place torque wrench on ball joint nut and turn nut continuously 1 turn every 2 to 4 seconds. Read torque measurement on 5th turn. See BALL JOINT TURNING TORQUE SPECIFICATIONS table. If torque is not within specification, replace ball joint.
WHEEL BEARING CHECKING
NOTE: Wheel bearings are not adjustable. Whenever bearings are removed, replace with NEW bearings, races and oil seals.
1. Remove front wheel. Remove brake caliper and disc. Support caliper out of way. Using dial indicator placed near center of axle hub, check backlash by moving hub in bearing shaft direction. If backlash exceeds .002" (.05 mm), replace bearing.
2. Check deviation at axle hub surface, outside of hub bolt by moving hub with twisting motion. If deviation is more than .002" (.05 mm), replace bearing. Reinstall disc, brake caliper and front wheel.
source pdf: http://lakebox.dnsalias.com/photos/1998%20RAV4/manuals/1999_non_factory/FRONT%20SUSPENSION.pdf
Saturday, March 19, 2011
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