FRONT UPPER SUSPENSION ARM (for 2WD) INSTALLATION

Tech Tips


  • Use the same procedures for the RH side and LH side.

  • The procedures listed below are for the LH side.

  • A bolt without a torque specification is shown in the standard bolt chart Click here.


  1. TEMPORARILY TIGHTEN FRONT NO. 1 SUSPENSION UPPER ARM ASSEMBLY LH


    1. A01GKZZ

      Insert the bolt as shown in the illustration. Then temporarily install the front No. 1 suspension upper arm assembly LH to the No. 1 arm attachment plate inner LH with the nut.

  2. TEMPORARILY TIGHTEN FRONT NO. 2 SUSPENSION UPPER ARM ASSEMBLY LH


    1. A01GK8V

      Insert the bolt as shown in the illustration. Then temporarily install the front No. 2 suspension upper arm assembly LH to the No. 2 arm attachment plate inner LH with the nut.

  3. INSTALL NO. 1 ARM ATTACHMENT PLATE INNER LH


    1. A01GHXDE01

      Install the No. 1 arm attachment plate inner LH with the 3 bolts and spacers.

      Torque:
      32 N*m  { 326 kgf*cm, 24 ft.*lbf }

  4. INSTALL NO. 2 ARM ATTACHMENT PLATE INNER LH


    1. A01GKHAE01

      Install the No. 2 arm attachment plate inner LH with the 2 bolts and spacer.

      Torque:
      32 N*m  { 326 kgf*cm, 24 ft.*lbf }

  5. INSTALL STEERING KNUCKLE SUB-ASSEMBLY LH


    1. A01GM2P

      Install the steering knuckle to the front No. 1 suspension upper arm LH and front No. 2 suspension upper arm LH with the nuts.

      Torque:
      60 N*m  { 612 kgf*cm, 44 ft.*lbf }

    2. Install new clips.

      Note

      If it is necessary to align the holes for the clips after installing the nuts, the nuts can be tightened up to 60° more.

  6. INSTALL FRONT PNEUMATIC CYLINDER LH O-RING (w/ Air Suspension)

    Tech Tips

    It is unnecessary to perform the following procedures if the pneumatic cylinder with front shock absorber has been replaced with a new one.


    1. Lightly coat 2 new O-rings with MP grease.

    2. A01GLEAE01

      Install the 2 new O-rings and a new plate to a straight tube or equivalent, as shown in the illustration.

    3. A01GKNT

      Insert the tube end with the 2 O-rings and plate into the pneumatic cylinder with front shock absorber LH. Then, lightly push in the O-rings and plate with a thick piece of paper.

    4. While holding the O-rings and plate in place with the paper, slowly pull out the tube.

    5. A01GHOQE01

      Install a new tube connector.

      Note

      Push in the tube connector until a "click" sound is heard.

  7. INSTALL FRONT SHOCK ABSORBER ASSEMBLY LH (w/o Air Suspension)


    1. A01GNK6

      Install the front shock absorber on the vehicle by installing the 3 nuts on the suspension support side.

      Torque:
      67 N*m  { 683 kgf*cm, 49 ft.*lbf }
    2. A01GLTN

      Tighten the lock nut.

      Torque:
      28 N*m  { 280 kgf*cm, 20 ft.*lbf }

  8. INSTALL PNEUMATIC CYLINDER WITH FRONT SHOCK ABSORBER ASSEMBLY LH (w/ Air Suspension)


    1. A01GNO4

      Install the pneumatic cylinder with front shock absorber assembly LH on the vehicle by installing the 3 nuts on the suspension support side.

      Torque:
      67 N*m  { 683 kgf*cm, 49 ft.*lbf }

  9. INSTALL ABSORBER CONTROL ACTUATOR (w/ Air Suspension)


    1. A01GLMGE01

      Check that the control rod of the pneumatic cylinder with front shock absorber assembly LH is in the position shown in the illustration.

      Note

      If the control rod is not in the position shown in the illustration, turn the control rod to adjust the position and install the absorber control actuator.

    2. A01GIKJ

      Install the absorber control actuator to the actuator support bracket. Turn the actuator clockwise approximately 40° until a click is felt.

      Note

      Do not excessively turn the actuator.

  10. INSTALL FRONT SHOCK ABSORBER CAP LH (w/ Air Suspension)


    1. Connect the connector to the shock absorber control actuator.

    2. A01GMKA

      Install the shock absorber cap with the 3 nuts.

      Torque:
      20 N*m  { 204 kgf*cm, 15 ft.*lbf }

  11. INSTALL ENGINE ROOM SIDE COVER LH


    1. Install the engine room side cover LH with the 5 clips.

  12. INSTALL AIR CLEANER INLET COVER SUB-ASSEMBLY


    1. Install the 4 clips and air cleaner inlet cover.

  13. TEMPORARILY TIGHTEN FRONT NO. 2 SUSPENSION LOWER ARM ASSEMBLY LH


    1. A01GMFE

      Temporarily install the front No. 2 suspension lower arm with the nut.

      Tech Tips

      Tighten the nut after the vehicle is stabilized.

    2. A01GKV4E01

      Temporarily install the front No. 2 suspension lower arm LH to the steering knuckle with the nut.

      Tech Tips

      Tighten the nut after the vehicle is stabilized.

    3. A01GM42

      Install the bottom side of the pneumatic cylinder with front shock absorber assembly LH to the No. 2 suspension lower arm LH. Then insert the bolt from the rear of the vehicle and temporarily install it with the nut.

      Tech Tips

      Tighten the nut after the vehicle is stabilized.

  14. CONNECT NO. 8 HEIGHT CONTROL TUBE (w/ Air Suspension)


    1. A01GMEBE01

      When installing a new pneumatic cylinder with front shock absorber assembly LH:

      Remove the attachment.

    2. Connect the No. 4 height control tube to the cylinder.

    3. Connect the No. 1 tube connector.

  15. INSTALL AIR CONNECTOR CLIP HOLDER (w/ Air Suspension)


    1. A01GLJNE01

      Install the air connector clip holder to the No. 1 tube connector.

  16. INSTALL FRONT STABILIZER LINK ASSEMBLY LH


    1. A01GJW2

      Install the front stabilizer link with the 2 nuts.

      Torque:
      84 N*m  { 857 kgf*cm, 62 ft.*lbf }

      Tech Tips

      If the ball joint turns together with the nut, use a hexagon (6 mm) wrench to hold the stud.

  17. CONNECT FRONT HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH


    1. A01GILO

      Install the bracket of the front height control sensor LH to the front No. 2 suspension lower arm LH with the bolt.

      Torque:
      5.4 N*m  { 55 kgf*cm, 48 in.*lbf }

  18. CONNECT FRONT NO. 1 SUSPENSION LOWER ARM ASSEMBLY LH


    1. A01GHYM

      Connect the No. 1 suspension lower arm to the steering knuckle with the nut.

      Torque:
      145 N*m  { 1479 kgf*cm, 107 ft.*lbf }

    2. Install a new clip.

      Note

      If it is necessary to align the holes for the clip after installing the nut, the nut can be tightened up to 60° more.

  19. CONNECT TIE ROD ASSEMBLY LH


    1. Connect the tie rod LH to the steering knuckle with the nut.

      Torque:
      60 N*m  { 612 kgf*cm, 44 ft.*lbf }

    2. Install a new clip.

  20. INSTALL FRONT DISC BRAKE DUST COVER LH


    1. A01GI2R

      Install the front disc brake dust cover LH with the 4 bolts.

      Torque:
      8.0 N*m  { 82 kgf*cm, 71 in.*lbf }

  21. INSTALL FRONT DISC

    A01GJS0E04
    Text in Illustration
    *A for 18 inch Disc

    Note

    The 18 inch disc has an identification mark. Make sure of the identification mark when installing the disc.

    Item Identification mark
    18 inch disc LH L
    18 inch disc RH R

    Tech Tips

    The 17 inch disc has no identification mark. The disc can be installed to the LH or RH side.


    1. A01GKBTE02
      Text in Illustration
      *a Matchmark

      Align the matchmarks, and install the front disc.

      Tech Tips

      When replacing the front disc with a new one, select the installation position where the front disc has the minimum runout.

  22. CONNECT FRONT DISC BRAKE CALIPER ASSEMBLY LH


    1. A01GLC2

      Install the front disc brake caliper assembly LH to the steering knuckle with the new 2 bolts.

      Torque:
      135 N*m  { 1377 kgf*cm, 100 ft.*lbf }

      Note


      • Do not twist the flexible hose.

      • Make sure the screw parts are free from foreign matter and are not damaged.

      • Be careful not to overtighten the bolts, as the steering knuckle is made of aluminum.

    2. A01GJTP

      Connect the flexible hose to the steering knuckle with the bolt.

      Torque:
      20 N*m  { 204 kgf*cm, 15 ft.*lbf }

  23. CONNECT SPEED SENSOR CONNECTOR


    1. Connect the speed sensor connector to the speed sensor.

      Note


      • Do not damage the tip of the speed sensor.

      • Do not allow foreign matter to contact the tip or installation area of the speed sensor.

      • Do not twist the speed sensor wire.

    2. A01GK0K

      Install the speed sensor wire to the front No. 1 suspension lower arm with the 2 bolts.

      Torque:
      8.5 N*m  { 87 kgf*cm, 75 in.*lbf }

  24. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

  25. INSTALL COWL TOP VENTILATOR LOUVER


    1. Install the cowl top ventilator louver for 1UR-FSE Click here.

    2. Install the cowl top ventilator louver for 1UR-FE Click here.

  26. PERFORM INITIALIZATION


    1. Perform the initialization Click here.

  27. STABILIZE SUSPENSION (w/o Air Suspension)


    1. Install the front tires.

      Torque:
      140 N*m  { 1428 kgf*cm, 103 ft.*lbf }

    2. Lower the vehicle and bounce it up and down several times to stabilize the front suspension.

    3. Remove the front tires.

    4. A01GLI7

      Jack up the front suspension lower arm with a wooden block between the jack and front suspension lower arm. Apply a load to the front suspension so that the front suspension lower arm is placed in a horizontal position.

  28. STABILIZE SUSPENSION (w/ Air Suspension)


    1. Install the front wheels.

      Torque:
      140 N*m  { 1428 kgf*cm, 103 ft.*lbf }

    2. Lower the vehicle and start the engine. Then fill the pneumatic cylinder with front shock absorber assembly LH with air.

      Tech Tips

      If the vehicle height is not restored within 2 minutes, stop the engine and then start the engine again.

    3. Bounce the vehicle up and down several times to stabilize the front suspension.

    4. Remove the front wheels.

      Note

      Do not turn the power switch ON (IG).

    5. A01GN88

      Jack up the front suspension lower arm with a wooden block between the jack and front suspension lower arm. Apply a load to the front suspension so that the front suspension lower arm is horizontal.

  29. TIGHTEN FRONT NO. 1 SUSPENSION UPPER ARM ASSEMBLY LH


    1. A01GIXK

      Tighten the installation nut of the front No. 1 suspension upper arm assembly LH.

      Torque:
      50 N*m  { 510 kgf*cm, 37 ft.*lbf }

  30. TIGHTEN FRONT NO. 2 SUSPENSION UPPER ARM ASSEMBLY LH


    1. A01GJBG

      Tighten the installation nut of the front No. 2 suspension upper arm assembly LH.

      Torque:
      50 N*m  { 510 kgf*cm, 37 ft.*lbf }

  31. TIGHTEN FRONT NO. 2 SUSPENSION LOWER ARM ASSEMBLY LH


    1. A01GMFP

      Tighten the installation nut of the front No. 2 suspension lower arm assembly LH.

      Torque:
      145 N*m  { 1479 kgf*cm, 107 ft.*lbf }
    2. A01GHOG

      Tighten the installation nut of the steering knuckle.

      Torque:
      145 N*m  { 1479 kgf*cm, 107 ft.*lbf }

      Note

      If it is necessary to align the holes for the clips after installing the nuts, the nuts can be tightened up to 60° more.

    3. Install a new clip.

    4. A01GM42

      Tighten the installation bolt of the shock absorber cylinder.

      Torque:
      108 N*m  { 1101 kgf*cm, 80 ft.*lbf }

  32. INSTALL FRONT WHEEL

    Torque:
    140 N*m  { 1428 kgf*cm, 103 ft.*lbf }

  33. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT


    1. Inspect and adjust the front wheel alignment Click here.

  34. ADJUST VEHICLE HEIGHT

    Click here

    Note

    If the height control sensor has been replaced, be sure to adjust the vehicle height.

  35. INSPECT FOR AIR LEAK (w/ Air Suspension)

    Click here

  36. ADJUST HEADLIGHT ASSEMBLY

    Click here

  37. ADJUST OBJECT RECOGNITION CAMERA

    Click here