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Home >> Scion >> 2008 >> tC L4-2.4L (2AZ-FE) >> Repair and Diagnosis >> Steering and Suspension >> Steering >> Service and Repair >> Removal and Replacement >> Disassembly

Disassembly








POWER STEERING: STEERING LINKAGE: DISASSEMBLY

DISASSEMBLY

1. FIX POWER STEERING LINK ASSEMBLY





(a) Using SST, remove the left turn pressure tube.
SST: 09023-38201
Using SST, remove the right turn pressure tube.
SST: 09023-38201






(b) Using SST, secure the power steering link assembly.
SST: 09612-00012
HINT: Tape the SST before use.





2. REMOVE TIE ROD END SUB-ASSEMBLY LH
(a) Put matchmarks on the tie rod end and rack end.
(b) Loosen the lock nut, and remove the tie rod end and lock nut.
3. REMOVE TIE ROD END SUB-ASSEMBLY RH
HINT: Perform the same procedure as for the LH.





4. INSPECT TIE ROD END SUB-ASSEMBLY LH
(a) Secure the tie rod end in a vise.
(b) Install the nut to the stud bolt.
(c) Flip the ball joint back and forth 5 times or more.
(d) Using a torque wrench, turn the nut continuously at a rate of 2 to 4 seconds per turn and take the torque reading on the 5th turn.
Turning torque - Torque: 0.49 to 3.43 Nm (5.0 to 35 kgf-cm, 4.3 to 30.4 in-lbf)
If not within the specified torque range, replace the tie rod end sub-assembly.
5. INSPECT TIE ROD END SUB-ASSEMBLY RH
HINT: Perform the same procedure as for the LH.

6. REMOVE STEERING RACK BOOT CLIP
(a) Remove the 2 boot clips.






7. REMOVE NO. 2 STEERING RACK BOOT CLAMP
(a) Using pliers, loosen the clamp as shown in the illustration.
(b) Using a screwdriver, remove the clamp.
NOTE: Be careful not to damage the boot.

8. REMOVE NO. 1 STEERING RACK BOOT CLAMP
HINT: Perform the same procedure as for the clamp.

9. REMOVE NO. 2 STEERING RACK BOOT
10. REMOVE NO. 1 STEERING RACK BOOT
11. REMOVE STEERING RACK END SUB-ASSEMBLY





(a) Using a screwdriver and hammer, unstake the RH and LH claw washers.
NOTE: Avoid any impact to the steering rack.





(b) Using a 22 mm wrench and a vise, hold the steering rack (RH side).
(c) Using SST, remove the rack end (RH side) and claw washer from the steering rack.
SST: 09922-10010
NOTE: Use SST 09922-10010 in the direction shown in the illustration.

(d) Using 2 SST, remove the rack end (LH side) and claw washer from the steering rack.
SST: 09922-10010
NOTE: Use SST 09922-10010 in the direction shown in the illustration.





12. REMOVE RACK GUIDE
(a) Using a 24 mm straight hexagon wrench, remove the rack guide spring cap.
(b) Remove the compression spring and the rack guide.
13. REMOVE POWER STEERING CONTROL VALVE





(a) Remove the 2 bolts and the control valve housing with the control valve.
(b) Remove the gasket.






(c) Wrap vinyl tape around the spline of the control valve in order to prevent damaging the oil seal.
(d) Using a plastic-faced hammer, tap out the control valve.






(e) Using a screwdriver, remove the 4 control valve spacers.
NOTE: Be careful not to damage the spacer grooves on the control valve.
HINT: Tape the screwdriver tip before use.





14. REMOVE POWER STEERING CONTROL VALVE UPPER OIL SEAL
(a) Using SST and a press, press out the control valve upper bearing and the upper oil seal from the control valve housing.
SST: 09950-70010
09951-07100
SST: 09950-60010
09951-00240






15. REMOVE CYLINDER END STOPPER
(a) Using SST, remove the cylinder end stopper from the rack housing.
SST: 09631-20120
(b) Using a screwdriver, remove the cylinder end stopper O-ring from the cylinder end stopper.
(c) Using a screwdriver, remove the cylinder end stopper bush from the cylinder end stopper.
NOTE: Do not damage the cylinder end stopper.

16. REMOVE POWER STEERING RACK





(a) Using a bolt (M14 x P1.5) and a press, press out the power steering rack with the cylinder end stopper oil seal.
(b) Remove the cylinder end stopper oil seal from the power steering rack.






(c) Using a screwdriver, remove the oil seal and the O-ring.
NOTE: Be careful not to damage the oil seal groove on the power steering rack.
HINT: Tape the screwdriver tip before use.

17. REMOVE POWER STEERING CYLINDER TUBE OIL SEAL





(a) Set the SST.
SST: 09612-70100
09612-07110
09612-07210
NOTICE:
- Lightly apply MP grease to the tip of SST (09612-07230) and inside of SST (09612-07210 and 09612-07110) before use.
- Completely install SST (09612-07110) to SST (09612-07210) to prevent damage to the inside of the rack housing.





(b) Insert SST (09612-07210) into the rack housing at a slant until it comes in contact with the power steering cylinder tube oil seal. Install SST (09612-07220) to SST (09612-07210).
SST: 09612-70100
09612-07110
09612-07210
09612-07220
NOTE: Do not damage the inside of the power steering rack housing.





(c) Hold SST (09612-07220) and pull SST (09612-07210) to position SST (09612-07110) to the inside of the rack housing.
SST: 09612-70100
09612-07110
09612-07210
09612-07220
HINT: Ensure that SST (09612-07110) is positioned at the chamfered part between the power steering cylinder tube oil seal and the rack housing.





(d) Install SST (09612-07240) to SST (09612-07230). Insert the tip of SST (09612-07230) into the service hole of SST (09612-07110) in the rack housing.
SST: 09612-70100
09612-07110
09612-07230
09612-07240
SST 09612-70100 (09612-07110, 09612-07230, 09612-07240)
- Ensure the SST (09612-07240) is installed to prevent damage to SST (09612-07110).
- Do not damage the inside of the rack housing.





(e) Install SST (09951-07150) to SST (09612-07230). Using a press, remove the power steering cylinder tube oil seal.
SST: 09612-70100
09612-07110
09612-07230
09612-07240
SST: 09950-70010
09951-07150
SST 09612-70100 (09612-07110, 09612-07230, 09612-07240), 09950-70010 (09951-07150)
NOTE: Do not damage the rack housing.
HINT: Change SST (09951-07150) for another, from the set, with different length as needed.
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