Question 1

How to remove the rack and pinion power steering gear on Toyota Corolla?

Accepted Answer

The first process to extract the rack and pinion power steering rack and pinion includes aligning front wheels straight ahead before removing front wheels. Your first step should be removing both engine under covers from the left and right sides then disconnecting the exhaust pipe assembly in front. The practitioner must disconnect the left tie rod end sub-assembly through removal of the cotter pin and nut before using Special Service Tool: 09628-62011 to detach it from the steering knuckle. Complete the right tie rod end sub-assembly process in exactly the same manner. First remove the two clips that secure the column hole cover silencer sheet before attaching a seat belt to prevent wheel rotation to mark the intermediate shaft assembly No. 2 and the intermediate shaft. First loosen bolt A before removing bolt B which allows separation of the intermediate shaft assembly No. 2. For assembly sub-assembly No. 1 disconnect the pressure feed tube assembly by removing its bolt and tube clamp from the power steering rack and pinion while using Special Service Tool: 09023-12701. The first step entails removal of the front stabilizer link assemblies from each side after disconnecting the front suspension arm sub-assemblies lower No. 1 from both left and right sides. The hood sub-assembly and cylinder head cover No. 2 can be removed before the engine assembly suspension through installation of two engine hangers (Parts No.: No. 1 engine hanger 12281-22021, No. 2 engine hanger 12281-15040, Bolt 91512-B1016). Engine hangers No. 1 (12281-22021) and No. 2 engine hanger (12281-15040) with bolt 91512-B1016 must be installed before use of the chain hoist for engine support. The hoist needs to avoid attaching to any other section of the engine. To begin the process remove the four bolts securing the front suspension crossmember sub-assembly before splitting the center member from the rest of the parts and disconnecting the engine mounting insulator RR from the crossmember. The front suspension crossmember sub-assembly including rack and pinion assembly will come out after supporting the crossmember with a transmission jack and removing its four bolts. The final step includes placing matchmarks on the steering intermediate shaft before removing its bolt and shaft then the rack and pinion power steering rack and pinion assembly can be removed by taking out the four crossmember bolts while maintaining the nut from rotating during the bolt torque process.

Question 2

What Are the Proper Steps, Required Tools, and Torque Specifications for Removing, Overhauling, and Reinstalling the Power Rack And Pinion Assembly on Toyota Corolla?

Accepted Answer

The installation requires coating the parts marked by arrows with power steering fluid or molybdenum disulfide lithium base grease. First disconnect the negative terminal of the battery then check the center front wheel while removing the horn button assembly and steering wheel assembly by using SST 09950-50013 (09951-05010, 09952-05010, 09953-05020, 09954-05021). Disconnect the tie rod end sub-assembly LH by removing its cotter pin and nut then using SST 09628-62011 to separate it from the steering knuckle. Start by removing the front wheels and both engine under covers. Repeat for the RH side. Begin by taking off the column hole cover silencer sheet and proceed with disconnecting the steering intermediate shaft through SST 09023-38400 before moving onto the pressure feed tube assembly then return tube sub-assembly. First disconnect both front stabilizer link assemblies then separate the lower sub-assemblies of front suspension arm units from their left-hand and right-hand sides. You should first detach the hood sub-assembly, cylinder head cover No.2 while suspending the engine assembly by installing the two engine hangers (No.1 engine hanger: 12281-22021, No.2 engine hanger: 12281-15040, Bolt: 91512-B1016, Torque: 38 Nm). The front suspension crossmember sub-assembly requires removal by disconnecting it from the engine mounting insulator FR and the frame which can be supported by a transmission jack before removing the bolts. Start your procedure by detaching No.1 steering column hole cover sub-assembly and its components including steering intermediate shaft and rack and pinion power steering assembly using full bolt removal. Dismount the left and right turn pressure tubes with SST 09023-38200 before removing the O-rings when the rack and pinion power steering assembly sits in a vise that uses SST 09612-00012. Check the torque specifications of LH and RH tie rod end sub-assemblies after their removal. SST 09922-10010 helps users uninstall the steering rack end sub-assembly after they remove both steering rack boots No.1 and No.2 by clearly marking the RH and LH rack ends. Begin by removing the rack guide and power steering control valve and their neighboring components to check for damage and wear on the power steering rack. The new bearings receive proper positioning and receive required lubrication during integration. Sealants and torque requirements should be used during reassembly of the power steering control valve and rack assembly. Reinstall the steering rack end sub-assemblies to the steering rack hole before placing steering rack boots. The technician will combine the tie rod ends with engine under covers and front wheels before inspecting the center front wheel and adjusting steering wheel alignment. After power steering fluid addition and system bleeding you need to check for any signs of leakage then replace the cylinder head cover No.2 along with the hood sub-assembly while making necessary adjustments and achieving correct wheel alignment and SRS warning light operation.

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