GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 Sonoma Pickup - 2WD 🢒 Suspension 🢒 Automatic Level Control 🢒 Automatic Level Control Solenoid Valve Replacement

Removal Procedure

    Object Number: 411251 Size: SH
  1. Remove the plastic cap from the automatic level control solenoid valve.
  2. Remove the retaining nut and washer from the automatic level control solenoid valve.
  3. Remove the body side trim panel. Refer to Body Side Trim Panel Replacement in Interior Trim.

    4. Object Number: 411257 Size: SH
  4. Disconnect the air lines from the automatic level control solenoid valve.

    5. Object Number: 411261 Size: SH
  5. Loosen the automatic level control solenoid valve to the body side trim panel mounting nut.
  6. Remove the automatic level control solenoid valve from the body side trim panel.

    7. Object Number: 411265 Size: SH
  7. Disconnect the electrical connector from the automatic level control solenoid valve.

Installation Procedure

    Object Number: 411265 Size: SH
  1. Connect the electrical connector to the automatic level control solenoid valve.
  2. Install the automatic level control solenoid valve to the body side trim panel.

    3. Object Number: 411261 Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Tighten the automatic level control solenoid valve to the body side trim panel mounting nut.

    4. Tighten
    Tighten the automatic level control solenoid valve to body side trim panel mounting nut to 6 N·m (53 lb in).


    Object Number: 411257 Size: SH
  4. Connect the air lines to the automatic level control solenoid valve.
  5. Install the body side trim panel. Refer to Body Side Trim Panel Replacement in Interior Trim.

    6. Object Number: 411251 Size: SH
  6. Install the automatic level control solenoid valve washer and retaining nut at automatic level control solenoid valve.

    7. Tighten
    Tighten the automatic level control solenoid valve retaining nut to 3 N·m (27 lb in).

  7. Install the plastic cap to the automatic level control solenoid valve.