Steering Linkage: Reassembly
- INSTALL POWER STEERING CYLINDER TUBE OIL SEAL
- Apply power steering fluid to the lip of a new power steering cylinder tube oil seal.
- Install the power steering cylinder tube oil seal to the rack housing at a slant.NOTE:
- Ensure the power steering cylinder tube oil seal is installed in the correct direction as shown in the illustration.
- Install the power steering cylinder tube oil seal at an angle of approximately 15° so that the lowermost part comes to the point, indicated by the arrow in the illustration, to prevent damage to the side of the oil seal when it passes the 2 ports.
- Using SST, insert the power steering cylinder tube oil seal by pushing the SST in by hand until the oil seal passes the 2 ports.NOTE: Do not turn the SST when inserting the oil seal.
- Install SST (09631-00200) to SST (09951-07360) upside down.
- Using SST, level the power steering cylinder tube oil seal by pushing the SST in by hand. Using SST and a press, install the oil seal.
SST 09950-70010 (09951-07360), 09631-00200
- INSTALL POWER STEERING RACK
- Coat a new O-ring with power steering fluid and install it to the steering rack.
- Expand the new oil seal with your fingers.NOTE: Be careful not to overly expand the oil seal.
- Coat the oil seal with power steering fluid.
- Install the oil seal to the steering rack, and adjust with your fingers.
- Apply molybdenum disulfide lithium base grease to the rack teeth ends.
HINT:
If necessary, scrape the burrs off the rack teeth ends and burnish.
- Affix SST to the steering rack.
SST 09631-20102
Coat SST with power steering fluid.
- Install the steering rack to the rack housing.
- Remove SST.
- INSTALL CYLINDER END STOPPER
- Wrap vinyl tape around the RH side of the power steering rack and apply power steering fluid.
- Apply power steering fluid to the lip of a new cylinder end stopper oil seal.
- Install the cylinder end stopper oil seal to the RH side of the rack housing.NOTE:
- Ensure that the cylinder end stopper oil seal is installed in the correct direction as shown in the illustration.
- Do not damage the cylinder end stopper oil seal.
- Remove the vinyl tape from the power steering rack.
- Apply power steering fluid to a new cylinder end stopper O-ring.
- Install the cylinder end stopper O-ring to the cylinder end stopper.
- Install a new cylinder end stopper bush to the cylinder end stopper.
- Apply molybdenum disulfide lithium base grease to the entire inner side of the cylinder end stopper bush.
- Using SST, install the cylinder end stopper to the rack housing.
SST 09631-20120
Torque: 122 N*m (1,244 kgf*cm, 90 ft.*lbf)
- AIR TIGHTNESS TEST
- Install SST to the rack housing.
SST 09631-12071 (09633-00010)
- Apply a vacuum of 53 kPa (398 mmHg, 15.65 in.Hg) for approximately 30 seconds.
- Check that there is no change in the vacuum pressure.
If there is a change in the vacuum pressure, check the installation of the oil seals.
- Install SST to the rack housing.
- INSTALL POWER STEERING CONTROL VALVE UPPER OIL SEAL
- Coat the control valve upper bearing with molybdenum disulfide lithium base grease, and a new control valve upper oil seal lip with power steering fluid.
- Using SST and a press, press in the control valve upper oil seal.
SST 09950-70010 (09951-07150), 09950-60010 (09952-06010, 09951-00180, 09951-00300)
NOTE: Make sure that the oil seal is installed in the correct direction as shown in the illustration. - Using SST and a press, press in the control valve upper bearing.
SST 09950-70010 (09951-07150), 09950-60010 (09952-06010, 09951-00180, 09951-00320)
- INSTALL POWER STEERING CONTROL VALVE
- Expand 4 new valve spacers with your fingers.NOTE: Be careful not to overly expand the valve spacers.
- Coat the 4 valve spacers with power steering fluid.
- Install the 4 valve spacers to the control valve, and adjust with your fingers.
- Coat the control valve with power steering fluid.
- Install the control valve into the valve housing.NOTE: Be careful not to damage the valve spacers and oil seal lip.
HINT:
Wrap vinyl tape around the end of the steering rack in order to prevent damaging the oil seal.
- Install the control valve housing with the control valve and a new gasket to the rack housing with the 2 bolts.
Torque: 18 N*m (185 kgf*cm, 13 ft.*lbf)
- Expand 4 new valve spacers with your fingers.
- INSTALL RACK GUIDE
- Apply molybdenum disulfide lithium base grease to the compression spring and the contact surface of the rack guide and the power steering rack.
- Install the rack guide and the compression spring.
- Apply sealant to 2 or 3 threads of the rack guide spring cap.
Sealant: Part No. 08833-00080, THREE BOND 1344, LOCTITE 242 or equivalent
- Using a 24 mm straight hexagon wrench, temporarily install the rack guide spring cap.
- INSPECT TOTAL PRELOAD
- Using a 24 mm straight hexagon wrench, loosen and retighten the rack guide spring cap.
- Temporarily install the steering rack ends to the power steering rack.NOTE: Do not fully turn the power steering rack without the steering rack end as it may damage the oil seal in the rack housing and the cylinder end stopper bush.
- Using SST, fully turn the power steering rack right and left 10 times to settle.
SST 09616-00011
- While turning the control valve using SST, loosen the rack guide spring cap in small amounts until the preload falls within the specified range.
SST 09616-00011
Standard preload (turning): 0.9 to 1.6 N*m (9.2 to 16.3 kgf*cm, 8.0 to 14.2 in.*lbf)
NOTE: Retighten and loosen the rack guide spring cap if preload falls below the specified range. - Remove the steering rack ends from the power steering rack.
- INSTALL STEERING RACK END SUB-ASSEMBLY
- Install 2 new claw washers, and temporarily install the rack ends.
HINT:
Align the claws of the claw washers with the steering rack grooves.
- Apply MP grease to the rack end ball joint.
- Using 2 SST, install the rack end sub-assembly (LH side).
SST 09922-10010
Torque: 73 N*m (744 kgf*cm, 54 ft.*lbf)
HINT:
- Use SST 09922-10010 in the direction shown in the illustration.
- Use a torque wrench with a fulcrum length of 345 mm (13.58 in.).
- Using SST, hold the rack and install the rack end sub-assembly.
- Using SST and a 22 mm wrench, tighten the rack end sub-assembly (RH side).
SST 09922-10010
Torque: 73 N*m (744 kgf*cm, 54 ft.*lbf)
HINT:
- Use SST 09922-10010 in the direction shown in the illustration.
- Use a torque wrench with a fulcrum length of 345 mm (13.58 in.).
- Using SST, hold the rack and install the rack end sub-assembly.
- Using a brass bar and hammer, stake the 2 claw washers.NOTE: Avoid any impact to the steering rack.
- Ensure that the steering rack hole is not clogged with grease.
HINT:
If the hole is clogged, the pressure inside the boot will change after it is assembled and the steering wheel is turned.
- Install 2 new claw washers, and temporarily install the rack ends.
- INSTALL NO. 2 STEERING RACK BOOT
- Apply silicon grease to the inside of the small opening of the No. 2 rack boot.
- Temporarily install a new steering rack boot clamp to the large opening of the steering rack boot at the position shown by arrow (A).NOTE:
- Use a new steering rack boot clamp.
- Do not expand the steering rack boot clamp more than necessary to perform installation.
- Do not deform the steering rack boot clamp.
- Tightening force of the steering rack boot clamp becomes uneven if it is installed after being expanded as shown in the illustration. As a result, rust is caused by water entering from the clearance between the boot and rack housing, causing a malfunction.
- Use only the supply parts which are applicable to the vehicle to secure the boot.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
HINT:
After disengaging the claw of a new steering rack boot clamp, temporarily install it from the end without expanding the clamp diameter as much as possible.
- Install the rack boot to the groove on the rack housing.NOTE:
- Be careful not to damage or twist the boot.
- Do not damage the steering rack boot.
- Ensure that the steering rack boot clamp is installed before installing the steering rack boot to the rack housing.
- INSTALL NO. 1 STEERING RACK BOOT
HINT:
Perform the same procedure as for the No. 2 rack boot.
- INSTALL NO. 2 STEERING RACK BOOT CLAMP
- Using pliers and a screwdriver, install a new rack boot clamp.
NOTE:- Be careful not to damage or twist the rack boot.
- Do not twist the steering rack boot.
- INSTALL NO. 1 STEERING RACK BOOT CLAMP
HINT:
Perform the same procedure as for the clamp.
- INSTALL STEERING RACK BOOT CLIP
- Using pliers, install the 2 boot clips.
- Using SST, turn the control valve, and check that the rack boots expand and contract smoothly.
SST 09616-00011
- INSTALL TIE ROD END SUB-ASSEMBLY LH
- Screw the lock nut and the tie rod end to the rack end until the matchmarks are aligned.
HINT:
After adjusting toe-in, torque the lock nut.
- Screw the lock nut and the tie rod end to the rack end until the matchmarks are aligned.
- REMOVE TIE ROD END SUB-ASSEMBLY RH
HINT:
Perform the same procedure as for the LH.