| TUCSON(LM) >2012 > G 2.0 DOHC > Steering System > Electric Power Steering > Steering Gear box>Repair procedures |

Replacement
1. | Remove the front wheel & tire.
Tightening torque : 88.3 ~ 107.9N.m(9.0 ~ 11.0Kgf.m, 65.1 ~ 79.6lb-ft)
Be careful not to damage to the hub bolts when removing the front wheel & tire.
2. | Disconnect the stabilizer link(B) with the front strut assembly(A) after loosening the nut.
Tightening torque : 98.1 ~ 117.7N.m(10.0 ~ 12.0Kgf.m, 72.3 ~ 86.8lb-ft)
3. | Remove the sprit pin and castle nut and then disconnect the tie-rod end(A) from the front knuckle.
Tightening torque : 34.3 ~ 44.1N.m(3.5 ~ 4.5Kgf.m, 25.3 ~ 32.5lb-ft)
4. | Loosen the bolt & nut and then remove the lower arm(A).
Tightening torque : 98.1 ~ 117.7N.m(10.0 ~ 12.0Kgf.m, 72.3 ~ 86.8lb-ft)
5. | Loosen the nut and then remove the dust cover(A).
6. | Loosen the bolt (A) and then disconnect the universal joint assembly from the pinion of the steering gear box.
Tightening torque : 29.4 ~ 34.3N.m(3.0 ~ 3.5Kgf.m, 21.7 ~ 25.3lb-ft)
Lock the steering wheel in the straight ahead position to prevent the damage of the clock spring inner cable when you handle the steering wheel.
7. | Loosen the bolt(A) & nut(B) and then remove the roll rod stopper.
Tightening torque : 107.9 ~ 127.5N.m(11.0 ~ 13.0Kgf.m, 79.6 ~ 94.0lb-ft)
8. | Disconnect the muffler rubber hanger(A).
9. | Loosen the bolts & nuts and then remove the sub frame.
Tightening torque : 176.5 ~ 196.1N.m(18.0 ~ 20.0Kgf.m, 130.2 ~ 144.7lb-ft)
10. | Loosen the bolt & nut and then remove the protactor(A).
11. | Loosen the bolt and then remove the stabilizer (A) from the sub frame.
Tightening torque : 44.1 ~ 53.9N.m(4.5 ~ 5.5Kgf.m, 32.5 ~ 39.8lb-ft)
12. | Loosen the bolt and then remove the steering gearbox(A).
Tightening torque : 58.8 ~ 78.5N.m(6.0 ~ 8.0Kgf.m, 43.4 ~ 57.9lb-ft)
13. | Installation is the reverse of the removal.
14. | Check the alignment. (Refer to SS group 'Tires/Wheels - alingment')
Disassembly
1. | Fix the steering gear box assembly (A) on the vice.
2. | Remove the bellows clip (A) in the direction of the arrow. (The left and right same work.)
3. | Give space to bellows bend (B) by using the ring pliers (A). (The left and right same work)
4. | After making the space to the bellows and tie-rod end contact part by using the (-) driver, remove the bellows (A) in the direction of the arrow.(The left and right same work)
5. | Remove the tie-rod & tie-rod end assembly (A).(The left and right same work)
6. | After fixing the yoke plug (A), remove the rock nut (B).
7. | Remove the yoke plug (A).
8. | Remove the yoke spring (A) and leaf spring (B).
• | Note that there may be urethane pads or back side of O-ring in place of leaf spring.
• | The number of leaf spring can be differs from depending on vehicle.
9. | Remove the support yoke assembly (A) from the inner lack hosing.
• | In case of support yoke assembly (A), the number and availability of O-ring can differ from depending on vehicle.
10. | Remove the dust packing & cap (A).
11. | Remove the top plug (A) by using the spanner.
• | When removing the top plug, top plug is made of aluminum, so be careful to avoid distortion.
12. | Remove the pinion assembly (A).
13. | Remove the rack bar (A) in the direction of the arrow.
Reassembly
1. | After spreading grease on the rack bar gear part (A), install rack bar (B) in the direction of the arrow.
• | When inserting the rack bar, be careful not to damage to inner rack housing.
2. | After spreading grease on the pinion gear part, install the pinion assembly (A).
3. | After spreading three bond (Loctite) on the top plug (A) thread, install the top plug by using the spanner.
• | When installing the top plug, top plug is made of aluminum, so be careful to avoid distortion.
4. | Install the dust packing & cap (A).
5. | Install the support yoke (A).
• | Before installing the support yoke assembly, make sure to whether the O-ring damage.
6. | Install the Yoke plug (A) and leaf spring (B).
• | The number of leaf spring can differ from depending on vehicle, pay attention to direction.
• | Direction of leaf spring
7. | After spreading three bond (Loctite) on the Yoke plug (A) thread, install the Yoke plug.
8. | Adjust Yoke with reference to the “How to adjust Yoke”.(Refer to "Steering gear box(Adjustment)" in ST group)
9. | After fixing the yoke plug, install the rock nut (A).
10. | Install the tie-rod & tie-rod end assembly (A). (The left and right same work)
11. | Caulk (A) the rack bar and tie-rod assembly joints. (The left and right same work)
• | When you doing caulking, use the air tool or chisel.
12. | After spreading sealant on the rack hosing and the bellow joints (A), install the bellows (B) in the direction of the arrow.
Inspection
1. | Rack bar
A. | Check the rack gear for damage.
B. | Check the rack bar for bend and deformation.
2. | Pinion assembly
A. | Check the pinion gear for damage
B. | Check the oil seal for damage.
3. | Check the inside of rack housing for damage.
4. | Check the bellows for being torn.