Question 1

How to remove and install the Rack And Pinion on Toyota 4Runner?

Accepted Answer

Proceed with rack and pinion removal by positioning the front wheels straight ahead before removing the steering wheel pad and the steering wheel. The first step involves removing engine under cover by unscrewing 10 bolts then moving on to take away stabilizer bar before disconnecting RH(LH) tie rod ends. Special Service Tool 09023-38400 enables disconnecting intermediate shaft No. 2 and the pressure feed and return tubes. First disconnect the bolt and nut attached to the bracket of the PS rack and pinion assembly before removing its set bolts along with the nut and washer and PS rack and pinion assembly itself. The next step requires removal of both the bracket and grommet from the assembly. Begin the installation process by first installing the grommet and bracket followed by the PS rack and pinion assembly while torquing the rack and pinion assembly set bolt to 165 Nm (1,700 kgf-cm, 123 ft. lbs.) followed by the rack and pinion assembly set bolt, nut, and washer to 130 Nm (1,330 kgf-cm, 96 ft. lbs.) and finally torquing the bolt and nut to the bracket at 165 Nm (1,700 kgf-cm, 123 ft. lbs.). Special Service Tool 09023-38400 enables the connection of pressure feed and return tubes where the pressure feed tube requires 41 Nm (420 kgf-cm, 30 ft. lbs.) torque and the return tube needs 45 Nm (460 kgf-cm, 33 ft. lbs.) torque using a torque wrench with a 300 mm (11.81 inch) fulcrum length for precise measurements. Afterward, attach intermediate shaft No. 2 then install the RH and LH tie rod ends before putting on the stabilizer bar. When lifting the vehicle place its front wheel in a straight position before installing the steering wheel while centering the cable spiral and fastening the screw securely before system connection. Power steering bleeding should occur while checking steering wheel center alignment followed by steering nut tightening to 50 Nm (510 kgf-cm, 37 ft. lbs.). Mount the steering wheel pad before completing the check of front wheel alignment and engine under cover installation with 10 bolts that require 30 Nm of torque (300 kgf-cm, 22 ft. lbs.).

Question 2

How to service and repair the Rack And Pinion on Toyota Camry?

Accepted Answer

Service and repair operations on the rack and pinion begin with applying power steering fluid or molybdenum disulfide lithium base grease to marked parts. The servicework begins with disconnecting the battery negative terminal followed by horn button assembly removal and steering wheel assembly extraction through Special Service Tool: 09950-50013 (09951-05010, 09952-05010, 09953-05020, 09950-05021). The process starts by taking out the front wheel with the spiral cable sub-assembly and then proceeding to disconnect the left and right tie rod assemblies using Special Service Tool: 0962-62011. Loosen the bolt while disconnecting the steering intermediate shaft sub-assembly and mark the parts together for reinstallation. Both front stabilizer link assemblies need disconnection along with front stabilizer brackets followed by removing pressure feed tube assembly and return tube assembly using Special Service Tool: 09023-12700. The procedure includes removing the power steering rack and pinion assembly and heat insulator (used for 1MZ-FE engine type) and the left and right turn pressure tubes through the use of Special Service Tool: 09023-38200. Install Special Service Tool: 09612-0012 to the rack and pinion power steering rack and pinion assembly before you remove the left and right tie rod assemblies while checking their torque measurements. Disassemble the boot clips and clamps from the rack and pinion with caution while preserving their condition and remove the boots. Use Special Service Tool: 09922-10010 to unstake the claw washer before removing the rack and pinion ends sub-assembly. After that separate the rack guide and power steering control valve using a combination of 27 mm socket wrench and Special Service Tool: 09616-00011. First remove the control valve upper oil seal alongside the cylinder end stopper. After that extract both the power steering rack and bush to inspect the rack for wear and runout. The power steering cylinder tube oil seal and rack steering piston ring must be removed and new O-rings and rack steering piston rings must be installed with proper lubrication. The power steering cylinder tube oil seal installation requires Special Service Tool: 09950-60010 (09951-00420, 09951-00250, 09952-06010) before installing the power steering rack and bush with appropriate seal orientations. Use Special Service Tool: 09631-12071 (09633-00010) to check air tightness after installing the cylinder end stopper. Vacuum stability tests will verify correct installation of the oil seals.

Question 3

How to service and repair the Rack And Pinion on Toyota Tacoma?

Accepted Answer

Service and repair of the rack and pinion requires the front wheels to be set straight ahead. First disconnect the steering wheel pad and steering wheel component before removing the RH and LH tie rod ends as well as the intermediate No. 2 shaft. The maintenance process begins with removing the manual rack and pinion assembly through standard equipment to detach its Rack And Pinion assembly set bolts, nuts and washers. Begin installation by putting the manual rack and pinion assembly into place and tightening both Rack And Pinion assembly set bolts along with nuts and washers to 201 Nm (2,050 kgf-cm, 148 ft. lbs.). Position the front wheels straight ahead before connecting the intermediate No. 2 shaft to the RH and LH tie rod ends through front vehicle lifting. Install the steering wheel after centering the spiral cable by aligning matchmarks on the column main shaft and wheel and tightening the nut only to secure. Also connect the connector during this step. Proceed to check the steering wheel center point then torque the steering wheel set nut to 35 Nm (360 kgf-cm, 26 ft. lbs.). You must install the steering wheel pad before inspecting the front wheel alignment.

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