Lexus NX: Front Lower Suspension Arm

Lexus NX Service Manual / Suspension / Front Suspension / Front Lower Suspension Arm

Components

COMPONENTS

ILLUSTRATION

*1

FRONT LOWER NO. 1 SUSPENSION ARM SUB-ASSEMBLY LH

*2

FRONT SUSPENSION CROSSMEMBER SUB-ASSEMBLY

N*m (kgf*cm, ft.*lbf): Specified torque

*

For use with SST

Removal

REMOVAL

CAUTION / NOTICE / HINT

HINT:

  • Use the same procedure for the RH and LH sides.
  • The procedure listed below is for the LH side.

PROCEDURE

1. REMOVE FRONT SUSPENSION CROSSMEMBER SUB-ASSEMBLY

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2. REMOVE FRONT LOWER NO. 1 SUSPENSION ARM SUB-ASSEMBLY LH

(a) Remove the 2 bolts, nut and front lower No. 1 suspension arm sub-assembly LH from the front suspension crossmember sub-assembly.

NOTICE:

Because the nut has its own stopper, do not turn the nut. Loosen the bolt with the nut secured.

Installation

INSTALLATION

CAUTION / NOTICE / HINT

HINT:

  • Use the same procedure for the RH and LH sides.
  • The procedure listed below is for the LH side.

PROCEDURE

1. TEMPORARILY INSTALL FRONT LOWER NO. 1 SUSPENSION ARM SUB-ASSEMBLY LH

(a) Temporarily install the front lower No. 1 suspension arm sub-assembly LH to the front suspension crossmember sub-assembly with the 2 bolts and nut.

NOTICE:

Because the nut has its own stopper, do not turn the nut. Tighten the bolt with the nut fixed in place.

2. INSTALL FRONT SUSPENSION CROSSMEMBER SUB-ASSEMBLY

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3. INSTALL FRONT WHEELS

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4. STABILIZE SUSPENSION

(a) Lower the vehicle.

(b) Bounce the vehicle up and down at the corners several times to stabilize the suspension.

5. TIGHTEN FRONT LOWER NO. 1 SUSPENSION ARM SUB-ASSEMBLY LH

(a) Using SST, tighten bolt A.

SST: 09961-01270

*a

Torque Wrench Fulcrum Length

Turn

Torque:

Specified tightening torque :

233 N·m {2376 kgf·cm, 172 ft·lbf}

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

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  • When using SST (fulcrum length of 200 mm (7.8740 in.)) + torque wrench (fulcrum length of 1055 mm (41.5354 in.)): 195.9 N*m (1998 kgf*cm, 144 ft.*lbf)

(b) Tighten bolt B.

Torque:

214 N·m {2182 kgf·cm, 158 ft·lbf}

NOTICE:

Since a stopper nut is used, tighten the bolt.

6. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT

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 Removal

REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. SST used when removing/installing the coil spring are shown

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