Honda 51621-TK6-A71 Damper Unit, Left Front

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If the lower insulator is being replaced, set it into position with the dropped portion seated in the lowest part of the seat, extend the damper rod to its full length and install the dust boot, place the coil spring onto the lower insulator, with the end of the spring resting in the lowest part of the insulator, install the upper insulator and the spring seat, install the upper spring seat and the strut bearing, install the strut piston rod nut and tighten it to the torque, remove the spring compressors, install the mounting base on the strut, then install the strut coil spring assembly.

Place the strut mounting cushion onto the strut and guide the unit into place, install the strut mounting base, washer and upper mounting nut, install new strut-to-knuckle bolts and nuts, raise the front suspension with a jack to load the strut with the vehicle weight, then tighten the strut-to-knuckle bolts and nuts to the torque, connect the stabilizer bar link to the strut and tighten the nut to the torque, hold the strut piston rod with an Allen wrench and tighten the strut upper mounting nut to the torque, install the wheel and lug nuts, then lower the vehicle and tighten the lug nuts to the torque, have the front end alignment checked and, if necessary, adjusted.

Installation is the reverse of removal. Be sure the mounting cushions and upper washer are properly installed on the piston rod. Remove the plastic retainers and take off the steering column U-joint cover. Then tighten the NEW upper mounting nut to the torque. Raise the floor jack to simulate normal ride height, then tighten the NEW lower mounting bolt to the torque. Install the wheel and lug nuts. Lower the vehicle and tighten the lug nuts to the torque.