OEM 2007 Toyota 4Runner Rack And Pinion

2007 Toyota 4Runner Rack And Pinion Parts Questions & Experts Answers

• Q: How to service and repair the Rack And Pinion on 2007 Toyota 4Runner?

  A: The power steering link servicing process begins with disconnecting the battery negative terminal and adjusting the front wheels in a straight line position. Start the power steering link service by first removing the steering pad then the steering wheel assembly followed by the lower column cover and turn signal switch and spiral cable and front wheels and 6 bolts of the rear engine under cover and completing the removal with engine under cover No. 1 and its four bolts. The crucial first step requires front stabilizer bar removal followed by disassembling the LH tie rod end sub-assembly by removing its cotter pin and nut before using Special Service Tool: 09628-62011 to separate it from the steering knuckle arm. Proceed with the same method to detach the components on the right-hand side. Start by detaching Steering Intermediate Shaft Sub-Assembly No. 2 after using Special Service Tool: 09023-12701 to loosen the flare nut for the pressure feed tube assembly. Then take out the 2 bolts for separation from the frame sub-assembly. Separate the rack and pinion outlet return tube through the removal of its clip followed by use of Special Service Tool: 09023-12701. The power steering link assembly needs removal by disconnecting its 2 bolts and 2 nuts where the nut should be rotated only when the bolt gets turned because of the detent feature in the nut. To perform disassembly fix the power steering link assembly using Special Service Tool: 09023-38201 while removing 2 turn pressure tubes. Then secure the Rack And Pinion assembly in a vise using Special Service Tool: 09612-00012. First remove both tie rod end sub-assemblies LH and RH along with steering rack boot clamps and clips then uninstall the steering rack end sub-assembly with the combination of a screwdriver and hammer to stake back the washer while maintaining the steering rack still with a spanner during the usage of Special Service Tool: 09922-10010 for rack end removal. The rack guide and power steering control valve and upper oil seal must be removed while mounting the control valve assembly into a soft jaw vise before using Special Service Tool: 09631-20060 to remove the bearing guide nut. After removing the cylinder end stopper and rack and pinion along with its oil seal and rack and pinion piston ring check for any clogs in the power steering rack. The rack and pinion reassembly process includes installing a new O-ring and Teflon ring before coating it with power steering fluid and using Special Service Tool: 09631-00350 to install the rack and pinion. Fasten the cylinder end stopper while applying power steering fluid on the O-ring and torque it to 145 Nm (1,479 kgf/cm, 107 ft. lbs.). The air tightness check requires Special Service Tools: 09631-12071 (09633-00010) to be followed by vacuum application. The power steering control valve requires installation with its upper oil seal and bearing in proper orientation and two bolts torqued at 18 Nm (184 kgf/cm, 13 ft. lbs.). Use sealant to apply on the rack guide spring cap threads before installation of both parts. To adjust total preload mechanics should first install rack ends temporarily before tightening the rack guide spring cap to 25 Nm (250 kgf/cm, 18 ft. lbs.) then return the cap to 30 degrees. Through the use of Special Service Tool: 09616-00011 adjust the preload to a range between 1.35 to 1.55 Nm (13.77 to 15.81 kgf/cm, 11.94 to 13.71 in. lbs.). The rack and pinion end sub-assembly needs installation while torque should be set to 98 Nm (1,000 kgf/cm, 72 ft. lbs.) before installing rack and pinion boots with clamps. Use Special Service Tool: 09616-00011 to check the power steering Rack And Pinion condition before applying MP grease while installing the dust cover. The steering turn pressure tube gets installed followed by torqueing it to 23 Nm (230 kgf/cm, 17 ft. lbs.). Tie rod end sub-assemblies need to be connected using a torque of 91 Nm (928 kgf/cm, 67 ft. lbs.). Reinstall engine under cover sub-assembly No. 1 and rear engine under cover assembly before attaching the front wheels while properly torquing them to 110 Nm (1,122 kgf/cm, 81 ft. lbs.). The final steps involve connecting steering components then checking the wheel center alignment before fluid addition and bleeding and leak assessment and lastly performing wheel alignment correction.