GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Engine 🢒 Engine Controls and Fuel - 4.3L 🢒 Air Cleaner Outlet Resonator Replacement

Removal Procedure

    Object Number: 1877054 Size: SH
  1. Disconnect the positive crankcase ventilation (PCV) hose (1) from the air cleaner outlet resonator.

    2. Object Number: 1877032 Size: SH
  2. Loosen the air cleaner outlet resonator clamp (1) at the mass air flow (MAF)/intake air temperature (IAT) sensor.
  3. Loosen the air cleaner outlet resonator clamp (2) at the throttle body.
  4. Remove the air cleaner outlet resonator from the throttle body and the MAF/IAT sensor.

Installation Procedure

    Object Number: 1877032 Size: SH
  1. Install the air cleaner outlet resonator to the MAF/IAT sensor and throttle body.

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

  2. Tighten the air cleaner outlet resonator clamp (2) at the throttle body.

    3. Tighten
    Tighten the clamp to 4 N·m (35 lb in).

  3. Tighten the air cleaner outlet resonator clamp (1) at the MAF/IAT sensor.

    4. Tighten
    Tighten the clamp to 4 N·m (35 lb in).


    Object Number: 1877054 Size: SH
  4. Connect the PCV hose (1) to the air cleaner outlet resonator.