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CHAPTER 4 CHASSIS
8. Examine the A-arm bushing and A-arm shaft.
Replace if worn. Discard hardware.
9. Remove the bottom stabilizer bar nut.
10. Loosen two bolts that secure the A –arm bushing to frame by alternating each about 1/3 of
the way until the A-arm can be removed. The lower A-arm should now be free to remove.
11. Insert new A-arm bushings and new A-arm shaft into new A-arm.
12. Install new A-arm assembly onto vehicle frame. Apply Loctite™ 242 to screw threads of the
A arm bolts and torque bolts to 44 ft. lbs. (60 Nm ).
DO NOT reuse old bolts. Serious injury or death could result if fasteners come loose during
operation.
13. Attach A-arm to rear knuckle. Tighten upper and lower bolts to 44 ft. lbs. (60 Nm ).
14. Install the shock and tighten shock bolt to 44 ft. lbs. (60 Nm ).
15. Install the stabilizer and tighten nut.
16. Re-install the hub assy. Install washer, and the spindle nut to 103 ft.lbs (140Nm). Aim the
gap of the shaft for use the chisel to hit the nut until it locked.
17. Install the brake caliper. Apply Loctite™ 243 to screw threads of the bolts and torque bolts
to 18ft. lbs. (25 Nm ).
18. Install the wheel and torque nuts to 55ft. lbs. (75 Nm ).
19. lower the vehicle to the ground. Apply Loctite™ 243 to screw threads of the A arm bolts and
torque bolts to 44 ft. lbs. (60 Nm ).
Upon A-arm installation completion, test vehicle at low speeds before putting into regular
service.
T-Boss550 SERVICE MANUAL20.0
CHAPTER 4
CHASSIS
PAGE. 4-
6
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