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HOMESERVICE MANUALSISUZU2006ASCENDER S, 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 652 (REAR SUSPENSION SYSTEM)REPAIR INSTRUCTIONSSUPPORT REPLACEMENT (FWD)INSTALLATION PROCEDURE
2006 Isuzu Ascender S, 4.2 S, 4WD

Installation Procedure

2006 Isuzu Ascender S, 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
    CAUTION: Refer to Fastener Caution .
  1. If a new rear support is being installed, a transfer of components is necessary.
    • Upper Control Arms

      Tighten the upper control arm to rear support nut and bolt to 160 N.m (118 lb ft).

    • Lower Control Arms

      Tighten the lower control arm to rear support nut and bolt to 110 N.m (81 lb ft).

    • Stabilizer bar and insulators

      Tighten the stabilizer shaft insulator clamp bolts to 70 N.m (52 lb ft).

      Tighten the stabilizer link to stabilizer shaft nut to 57 N.m (42 lb ft).

    • Knuckles - The lower control arm to knuckle bolt/nut will be installed and tightened when the coil spring is installed later in this procedure.

      Tighten upper control arm to knuckle bolt and nut to 160 N.m (118 lb ft).

  2. With the aid of an assistant, position the rear support onto the transmission jack and firmly secure the support to the jack with straps.
  3. Position the rear support assembly to the vehicle.
    4. Fig 1: Identifying Rear Support Assembly & Bolts
    GM1827991Courtesy of GENERAL MOTORS CORP.
  4. Install the 4 rear support to body bolts and tighten to 170 N.m (125 lb ft).
  5. Install the coil springs. Refer to Coil Spring Replacement .
  6. Install the adjustment links. Refer to Adjust Link Replacement .
  7. Install the trailing arms. Refer to Trailing Arm Replacement .
    8. Fig 2: View Of Stabilizer Link-To-Lower Control Arm Nut
    GM1827711Courtesy of GENERAL MOTORS CORP.
  8. While holding the stabilizer link, install the stabilizer link-to-lower control arm nut and tighten to 15 N.m (11 lb ft).
    9. CAUTION: Support the brake caliper with heavy mechanic wire, or equivalent, whenever it is separated from its mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak.
  9. Remove the supporting wire and position the brake caliper and bracket assemblies back onto the knuckles. Refer to Rear Brake Caliper Bracket Replacement .
  10. Install the rear brake hose bracket nut and bolt and tighten to 12 N.m (106 lb in).
  11. Position the wiring harness back to the original location, connect the routing clips to the rear support and upper control arms. Connect the rear wheel speed sensor electrical connectors.
    12. Fig 3: Identifying Rear Park Brake Cable & Park Brake Actuator
    GM1827996Courtesy of GENERAL MOTORS CORP.
  12. Connect the rear park brake cables through the mounting brackets and onto the park brake actuators.
    13. Fig 4: View Of Rear Park Brake Cable Routing Bolts
    GM1827691Courtesy of GENERAL MOTORS CORP.
  13. Install the rear park brake cable routing bolts to the trailing arms and tighten to 12 N.m (106 lb in).
  14. Install the exhaust muffler. Refer to Exhaust System Replacement (LY7) or Exhaust System Replacement (LNJ) .
  15. Install the tires and wheels. Refer to Tire and Wheel Removal and Installation .
  16. Check the rear alignment. Refer to Wheel Alignment Measurement .
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.