OEM Scion Rack And Pinion

Scion Rack And Pinion Parts Questions & Experts Answers

• Steering Gear
  44200-52340
  Q: How to reassemble the Rack And Pinion on Scion xA?

  A: A new power steering rack housing oil seal gets installed through a process that begins with power steering fluid lubricating the new oil seal lip followed by the use of Special Service Tool: 09950-60010 (09951-00210, 09951-00370, 09952-06010), 09950-70010 (09951-07360) and a press to correctly install the housing oil seal. You must start by placing power steering fluid on the O-Ring before adding it to the rack and pinion followed by stretching a fresh piston ring manually then applying more power steering fluid before finger-adjusting its installation on the rack. The installation of the rack and pinion requires Special Service Tool: 09631-10041 to guide this process while you apply power steering fluid onto the rack housing before removing the tool. Press the rack bush oil seal with a press while using Special Service Tool: 09950-60010 along with 09951-00210, 09951-00340, 09952-06010 and 09950-70010 and 09951-07100. After applying power steering fluid to the new O-ring users should wrap vinyl tape around the rack and pinion end before correctly installing the rack bush into the rack housing. First install the hole snap ring through the cylinder end stopper using needle nose pliers. Install Special Service Tool: 09631-12071 (09633-00010) onto the rack housing and apply a 53 kPa vacuum for 30 seconds to check air tightness. Any vacuum change indicates improper oil seal installation. Install the power steering control valve on the rack housing by first applying grease to the needle roller bearing. Then use new gasket and matchmarks to align the pieces before tightening the 2 bolts to 21 Nm (214 kgf-cm, 15 ft. lbs.). Part No. 08833-00080 THREE BOND 1344 LOCTITE 242 or equivalent sealant to 2 or 3 threads of the rack guide spring cap, install the cap temporarily. The adjustment process involves both rack ends while fastening the rack guide spring cap to 25 Nm (250 kgf-cm, 18 ft. lbs.) torque using a 19 mm hexagon wrench to return the cap approximately 12 degrees. Then using Special Service Tool: 09616-00011 to turn the control valve while loosening the cap until the spring stops functioning and finally tightening the cap to achieve total preload specification (1.2 to 1.5 Nm, 12 to 15 kgf-cm, 10.6 to 13.3 inch lbs.). Install and temporarily fix the spring cap lock nut after sealing 2 or 3 threads and use a 19 mm hexagon wrench to secure the rack guide spring cap followed by locking the spring cap nut at 28 Nm (286 kgf-cm, 21 ft. lbs.) utilized with Special Service Tool: 09922-10010 while using a torque wrench with 345 mm (13.58 inch) fulcrum length. Total preload should be rechecked before the removal of RH and LH rack ends. Secondarily position the rack ends before tightening them to 60 Nm (614 kgf-cm, 44 ft. lbs.) while using Special Service Tool: 09922-10010 correctly. The pressure inside the boot after assembly can be affected by a grease clog in the rack and pinion end hole so it needs to be inspected before final installation. Apply silicon grease to the inside small caliber of the No. 2 rack and pinion boot then position it inside the rack housing groove while avoiding damage or boot twisting. The procedures should be repeated for installing the No. 1 rack and pinion boot. Secure the No. 2 rack boot clamp using Special Service Tool: 09240-00020, 09521-24010 by attaining a standard clearance of 3.0 mm (0.118 inch) or less while avoiding boot damage. The identical boot clamp installation procedures must be performed on the No. 1 rack and pinion boot clamp. Fasten the rack and pinion boot clips by using pliers. The installation of the tie rod end sub-assembly LH includes screwing the lock nut and tie rod end onto the rack end until the matchmarks line up and torques to 74 Nm (750 kgf-cm, 54 ft. lbs.), then finally torquing the lock nut after adjusting toe-in. Apply the identical methods to install the tie rod end sub-assembly RH. Power steering fluid should be applied to 2 new O-rings which will be installed to the turn pressure tube along with the use of Special Service Tool: 09023-38201 to fix the tube to the rack and pinion through torqueing to 12 Nm (118 kgf-cm, 9 ft. lbs.) using a torque wrench with 250 mm (9.84 inch) fulcrum length and maintaining the tool parallel to the wrench. The same installation process should be followed for the rack and pinion turn pressure tube on the left-hand side (LH).
• Gear Assembly
  44200-21123
  Q: How to reassemble the Rack And Pinion on Scion tC?

  A: The rack and pinion reassembly process requires application of both power steering fluid and molybdenum disulfide lithium base grease, MP grease or silicon grease on the indicated parts. The power steering cylinder tube oil seal requires proper installation at a 15 degrees angle because it protects against damage. Insert the oil seal without tool rotation by using Special Service Tool: 09631-00200. Set aside a new O-ring for the rack and pinion after expanding the new oil seal with caution while lubricating it with power steering fluid. The tricky process requires two steps. The rack teeth ends should get molybdenum disulfide lithium base grease treatment, then the Special Service Tool: 09631-20102 can be positioned on the rack and pinion before its rack housing installation. The cylinder end stopper installation requires vinyl tape on the RH side of the power steering rack and power steering fluid application to the new oil seal followed by proper assembly. The installation of the cylinder end stopper requires applying grease to its inner bush surface followed by using Special Service Tool: 09631-20120 to torque the stopper to 122 Nm (1,244 kgf-cm, 90 ft. lbs.). Test air tightness by using Special Service Tool: 09631-12071 (09633-00010) to measure vacuum pressure stability. To install the power steering control valve upper bearing requires applying grease followed by installing the upper oil seal and bearing using Special Service Tools: 09950-70010 (09951-07150) and 09950-60010 (09952-06010, 09951-00180, 09951-00300). Before fitting new valve spacers into the control valve, expand each of them by applying power steering fluid before installation. The control valve must be inserted into the valve housing without damaging the spacers or the oil seal lip. Secure the control valve housing to the rack and pinion housing through installing 2 bolts while performing torque at 18 Nm (185 kgf-cm, 13 ft. lbs.) with a new gasket. Before installing the rack guide with spring, apply grease on both components and rack guide contact surfaces while using sealant to address rack guide spring cap threads. Tighten the cap with a 24 mm straight hexagon wrench to inspect total preload by retightening followed by cap loosening when the rack and pinion ends are installed. Adjust the force on the rack and steering column through complete rotation by using Special Service Tool: 09616-00011 to reach a preload measurement between 0.9 - 1.6 Nm (9.2 to 16.3 kgf-cm, 8.0 to 14.2 inch lbs.). Mount the rack and pinion end sub-assembly using Special Service Tool: 09922-10010 while applying MP grease to the ball joint and installing it with 73 Nm (744 kgf-cm, 54 ft. lbs.) torque. The installation requires two new claw washers. Use a brass bar along with a hammer to secure stake the washers through the rack and pinion hole until it remains clear. Apply silicon grease on the No. 2 rack and pinion boot then install a new clamp before checking the correct installation without any accidental damage. The same procedure must be applied to install the No. 1 rack and pinion boot along with its clamps. The final step includes installing rack and pinion boot clips followed by using Special Service Tool: 09616-00011 to evaluate the rack boot movement. Screw the lock nut along with tie rod end to the rack end while matching the marks before repeating the same procedure on the right-hand side.
• Gear Assembly
  45510-12471
  Q: How to remove the power Rack And Pinion on Scion xB?

  A: The first step to remove the power rack and pinion requires placing the front wheels in a straight position while securing the steering wheel with a seat belt to prevent spiral cable damage. To start the process first remove the column hole cover silencer sheet followed by separating the No. 2 rack and pinion intermediate shaft assembly and then detach the No. 1 rack and pinion hole cover sub-assembly by removing clip A and detaching clip B from the body. The technician should first detach the front wheels alongside No. 1 engine under cover and No. 2 engine under cover and rear engine under covers LH and RH and front suspension member reinforcements LH and RH from both sides. The necessary tool 09960-20010 will separate the tie rod end from the rack and pinion knuckle but you should ensure correct alignment and secure the tool to stop tools from dropping. The technician should first detach front lower suspension arm sub-assemblies LH and RH from the vehicle and then take out the front suspension member rear braces LH and RH followed by removal of the front suspension crossmember sub-assembly. Then remove the bolt from the rack and pinion link assembly followed by both matchmarks on the rack and pinion intermediate shaft and rack and pinion link assembly. Afterward detach the rack and pinion hole cover sub-assembly from the rack and pinion link assembly. Separate the rack and pinion link assembly by undoing its 2 bolts with 2 nuts but do not rotate the nut when breaking the bolt then clamp the rack and pinion link assembly into a vise using Special Service Tool: 09612-00012 to finally remove the tie rod end sub-assemblies LH and RH while making notes for later reinstallation.