Question 1

How to replace the Suspension Strut Rod assembly on the LH side on Toyota Highlander?

Accepted Answer

The LH side strut rod replacement begins with wheel removal. First support the rear axle carrier before you remove the bolt, nut and disconnect the parking brake cable. Disassemble the strut rod from the front aspect by removing its bolt and nut and disconnecting it by fixing the nut when you remove the bolt. Proceed by taking out the bolt, nut and strut rod from the rear axle carrier then reposition the nut before unthreading the bolt. Secure the temporary strut rod installation by attaching it to the rear position and inserting the inner bolt then tightening it to a secure level. Sustain the rear axle carrier and fasten the strut rod on the inner side with a torque setting of 113 Nm (1,150 kgf-cm and 83 ft. lbs.). Check the suspension stability by using a wood block to lift the rear axle carrier while ensuring the 2WD bolt of suspension arm assembly No. 1 faces horizontally at the center of the axle hub and 4WD models have their rear drive shaft in level alignment. The rear suspension is completed by using a torque wrench to tighten the strut rod assembly to 123 Nm (1,250 kgf-cm, 91 ft. lbs.) followed by installing the brake cable assembly using a bolt with nut that should be torqued to 5.0 Nm (51 kgf-cm, 44 inch lbs.). The rear wheel requires torque installation to 103 Nm along with a subsequent check of the wheel alignment status.

Question 2

How to service and repair the rear Suspension Strut Rod on Toyota Highlander?

Accepted Answer

The first step for servicing or repairing the rear strut rod requires removal of the rear wheel. A jack should support the rear axle carrier until you remove the bolt and nut which separates the parking brake cable. Your goal should be disconnecting the strut rod at the front side by first removing its bolt and nut yet being cautious about the nut movement throughout this step. After extracting the rear axle carrier strut rod you need to shield its nut from rotation. The installation process begins by fixing the strut rod on the rear side with bolt and nut but keeping it loosely secured. Position the rear axle carrier while connecting the front side strut rod to its bolt and nut with the nut held in place during bolts temporary tightening. Stabilize the suspension by supporting the rear axle carrier with a wood block while using load to position the installed bolt of suspension arm assembly No. 1 so it points straight across the rear axle hub for FF or points straight across the rear drive shaft assembly for 4WD. The suspension assembly needs full tightening by using a torque wrench to apply 80 Nm torque force (816 kgf-cm and 59 ft. lbs.) equally to both bolts. Fasten the parking brake cable with its bolt and nut before tightening the bolt to 39 Nm (400 kgf-cm, 29 ft. lbs.) and the nut to 6.0 Nm (61 kgf-cm, 53 inch lbs.). You should install the rear wheel before tightening it to 103 Nm (1,050 kgf-cm, 76 ft. lbs.) and examining the rear wheel alignment.

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