GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Engine 🢒 Engine Controls and Fuel - 6.6L 🢒 Turbocharger Control Solenoid Valve Replacement

Removal Procedure

    Object Number: 1335577 Size: SH
  1. Remove the exhaust gas recirculation (EGR) valve cooler. Refer to Exhaust Gas Recirculation Valve Cooler Replacement.
  2. Remove the turbocharger oil feed pipe banjo bolt and washer.
  3. Reposition the turbocharger oil feed pipe out of the way.

    4. Object Number: 1335540 Size: SH
  4. Disconnect the engine wiring harness electrical connector from the turbocharger vane control solenoid valve.

    5. Object Number: 1873292 Size: SH
  5. Remove the turbocharger vane control solenoid valve bracket bolt (1) and bracket (2).
  6. Remove the turbocharger vane control solenoid valve (3) from the turbocharger.

Installation Procedure

    Object Number: 1873292 Size: SH
  1. Install the turbocharger vane control solenoid valve (3) to the turbocharger.

    2. Caution: Refer to Fastener Caution in the Preface section.

  2. Install the turbocharger vane control solenoid valve bracket (2) and bolt (1).

    3. Tighten
    Tighten the bolt to 23 N·m (17 lb ft).


    Object Number: 1335540 Size: SH
  3. Connect the engine wiring harness electrical connector to the turbocharger vane control solenoid valve.

    4. Object Number: 1335577 Size: SH
  4. Position the turbocharger oil feed pipe to the turbocharger.
  5. Install a NEW turbocharger oil feed pipe washer and the banjo bolt.

    6. Tighten
    Tighten the bolt to 34 N·m (25 lb ft).

  6. Install the EGR valve cooler. Refer to Exhaust Gas Recirculation Valve Cooler Replacement.
  7. Perform the turbocharger learn procedure. Refer to Turbocharger Learn.