Shock Absorber and Spring Assembly: Installation

WARNING: This page is about a different car, the 2018 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

Install the shock absorber and the upper mount. Use the General Equipment: Spring Compressor

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NOTE: If the individual spring and/or shock components are not being serviced, continue to the installation procedure.

NOTE: For reference during assembly, index the upper mount, spring and shock absorber.

Compress the spring until the tension is released from the shock absorber. Use the General Equipment: Spring Compressor

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NOTE: Use the hex-holding feature to prevent the shock rod from turning while installing the nut.

While holding the shock rod, install the new shock absorber and the shock rod nut.

Torque: 41 lb.ft (55 Nm)

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1. Install the shock absorber and spring assembly.
2. Position the lower arm up.
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Install the new shock absorber and spring assembly upper nuts.
Torque: 46 lb.ft (63 Nm)

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Install the new shock absorber and spring assembly lower nuts.
Torque: 66 lb.ft (90 Nm)

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NOTE: Do not use power tools to remove or install the stabilizer bar link nuts. Damage to the stabilizer bar link ball joints and boots may occur.

NOTE: The stabilizer bar links are designed with low friction ball joints that have a low breakaway torque.

NOTE: Use the hex-holding feature to prevent the ball stud from turning while removing or installing the stabilizer bar link nut.

Install the new front stabilizer link upper nut.

Torque: 59 lb.ft (80 Nm)

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1. Install the wheel knuckle.
2. Install the new lower ball joint nut.
  Torque: 76 lb.ft (103 Nm)
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Install the new upper ball joint nut.
Torque: 46 lb.ft (63 Nm)

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NOTE: The suspension height sensors must be disconnected prior to servicing suspension components. Damage to the suspension height sensors and/or the vehicle dynamic suspension system may occur. The sensors will need to be recalibrated after reassembly.

NOTE: If equipped with dynamic suspension.

Position the height sensor arm bracket and install the height sensor arm bracket screw.

Torque: 177 lb.in (20 Nm)

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Install the IWE bolts.
Torque: 106 lb.in (12 Nm)

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Position the brake hose bracket and install the brake hose bracket bolt.
Torque: 22 lb.ft (30 Nm)

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NOTE: Do not use a hammer to separate the outer tie-rod end from the wheel knuckle or damage to the wheel knuckle may result.

NOTE: Use care when installing the tie rod separator or damage to the outer tie-rod end boot may occur.

NOTE: Use the hex-holding feature to prevent the stud from turning while installing the nut.

Position the tie rod end and install the new tie rod end nut.

Torque: 76 lb.ft (103 Nm)

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NOTE: While placing the wheel bearing and wheel hub into the wheel knuckle, hold the CV outboard joint with outboard pressure to maintain spline engagement with the IWE actuator gear.

Using a hand vacuum pump apply and hold 24 inHg of vacuum to the IWE actuator through the large port on IWE to retract the actuator.

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NOTE: Measure the depth of the CV shaft threaded end to the inner bearing race (shown in illustration). The minimum depth is 15.5 mm (0.61 in). If the depth is less than 15.5 mm (0.61 in) rotate the CV shaft to clear a binding condition between the IWE and CV splines. Installing the axle nut and tightening without the proper depth of protrusion will result in damage to the IWE.

Measure the CV shaft threaded end to the inner bearing race.

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NOTE: Verify the spline engagement by checking for spline lash before installing the wheel hub nut or component damage may occur.

NOTE: With vacuum still applied to the IWE.
1. Install the new the axle nut.
  Torque: 30 lb.ft (40 Nm)
2. Verify free rotation of the hub with no CV joint rotation. No clicking or grinding noise should be present.
3. Release vacuum and rotate bearing slightly to engage actuator (may hear single click when IWE system engages). Verify hub and CV joint rotate together.
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NOTE: If the dust cap to bearing interface is damaged, damaged parts must be replaced.

Install the dust cap.

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1. Position the wheel speed sensor wire and install the wheel speed sensor wire bracket bolt.
  Torque: 106 lb.in (12 Nm)
2. Install the wheel speed sensor wire bracket bolt on the wheel knuckle.
  Torque: 106 lb.in (12 Nm)
3. Clip the wheel speed sensor wire to the brake hose and bracket.
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NOTE: The wheel speed sensor electrical connector is located in the engine compartment secured to the fender apron.

Connect the wheel speed sensor electrical connector.

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Install the brake disc. Refer to: Brake Disc .
NOTE: If equipped with dynamic suspension.

NOTE: RH side only.
- Connect the shock absorber and spring assembly electrical connector on the RH side frame.
- Position the shock absorber and spring assembly wiring harness and connect the wiring harness clips into the frame.
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NOTE: If equipped with dynamic suspension.

NOTE: LH side only.

Connect the shock absorber and spring assembly electrical connector.

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NOTE: If equipped with dynamic suspension.

NOTE: LH side only.
- Connect the shock absorber and spring assembly wiring harness clips.
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Install the wheel and tire. Refer to: Wheel and Tire .
If equipped with dynamic suspension, calibrate the suspension height sensor. Connect the scan tool and carry out the Ride Height Calibration routine. Follow the scan tool directions.