OEM 2005 Toyota 4Runner Rack And Pinion

2005 Toyota 4Runner Rack And Pinion Parts Questions & Experts Answers

• Q: How to Overhaul the Rack and Pinion in Power Steering Systems on 2005 Toyota 4Runner?

  A: The specific precautions surrounding restraint systems and service need attention when starting the power steering link assembly overhaul process. Turn off the vehicle power by disconnecting the negative terminal of the battery and set the front wheels to a directly facing position. Start the power steering link assembly overhaul by removing the horn button assembly followed by the steering wheel assembly using SST 09950-50013 (09951-05010, 09952-05010, 09953-05020, 09954-05021), steering column cover lower and turn signal switch assembly and spiral cable sub-assembly. The next steps include removing 6 bolts from the engine under cover assembly rear along with taking out 4 bolts from the engine under cover sub-assembly No.1. The front stabilizer bar requires removal before using SST 09628-62011 to break the steering knuckle arm loose from the tie rod end sub-assembly LH while removing its nut and cotter pin. You should perform the identical sequence of steps on the right-hand side. To detach the steering intermediate shaft sub-assembly No.2 move ahead with SST 09023-12700 for disconnecting the pressure feed tube assembly through loosening its flare nut before separating the pressure feed tube assembly from the frame sub-assembly using 2 bolts. SST 09023-12701 allows you to remove the outlet return tube while following the removal of the clip and hose from the rack and pinion. The power steering link assembly comes out after removing two bolts and two nuts but turning the bolt instead of the nut because of its detent feature. The power steering link assembly fix process involves removing 2 turn pressure tubes with SST 09023-38201 then securing the Rack And Pinion assembly between aluminum plates in a vise using SST 09612-00012. First mark the tie rod end segments along with lock nut and rack end and then loosen the lock nut before extracting both tie rod end and lock nut before repeating the procedure for the opposite side. The technician should first unscrew the steering rack boot clamps LH and RH while being cautious about boot integrity and then proceed to remove the steering rack boot clips LH and RH. To remove the steering rack end sub-assembly use SST 09922-10010 but ensure to utilize it in the proper direction after staking back the washer with a screwdriver and hammer alongside maintaining the steering rack steady with a spanner. SST 09922-10010 guides users to detach the lock nut before they can use a 24 mm hexagon wrench to dismantle the rack guide spring cap and subsequently extract both spring and rack guide from the assembly. To proceed with this task remove two bolts then pull out the control valve assembly with its accompanying housing and detach the O-ring. Use SST 09631-20060 to take out the bearing guide nut from the soft jaw vise after securing the control valve assembly while paying special attention to avoid damaging the oil seal lip. Use SST 09950-60010 (09951-00300) and 09950-70010 (09951-07100) to remove the O-ring followed by the dust cover then drive out the oil seal from the bearing guide nut. Apply wind vinyl tape to the control valve shaft before tapping out the valve assembly with its bearing guide nut from the housing while being careful to protect the oil seal lip. Follow a careful process to remove four teflon rings from the control valve assembly without damaging the grooves. The operation requires using SST 09950-70010 (09951-07150) and 09950-60010 (09951-00250) to extract the upper oil seal before removing the cylinder end stopper alongside its O-ring utilizing SST 09631-20120. Utilizing SST 09950-70010 (09951-07200) operators should carefully press the steering rack and oil seal to eliminate them from the assembly without letting the rack fall. After pressing they should remove the oil seal. A wire should be used to check for blockages in the power steering rack's vent hole during inspection. Measure the torque on the 5th turn on the ball joint stud of the LH tie rod end sub-assembly using a torque wrench and repeat the process on the RH side. Use a screwdriver to remove the steering rack piston ring before installing a fresh O-ring that has been coated with power steering fluid to the steering rack. Expanding a new teflon ring along with fluid application precedes its rack installation. Install SST 09631-00350 on the steering rack and rinse with power steering fluid while also removing any material burrs that may exist at the rack teeth end. After installing the rack into its housing apply SST for another coating before installing the rack directly opposite to the starting position. Apply fluid to a new oil seal lip before properly installing it without tilting the component. After coating the fresh O-ring with fluid drive in the cylinder end stopper using a wooden block with a hammer then secure it with SST 09631-20120 at 145 Nm torque (1,479 kgf-cm, 107 ft. lbs.). This testing procedure demands you to use SST 09631-12071 (09633-00010) at the rack housing unions to check an air tightness by maintaining vacuum pressure at 53.33 kPa (400 mm Hg, 15.75 inch Hg) over 30 seconds. Any oil seal problems require immediate attention.