GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 TrailBlazer - 4WD 🢒 Engine 🢒 Engine Cooling 🢒 Air Cleaner Resonator Outlet Duct Replacement

Removal Procedure

    Object Number: 1522413 Size: SH
  1. Disconnect the positive crankcase ventilation (PCV) fresh air tube (2) from the air cleaner resonator outlet duct (1).

    2. Object Number: 898123 Size: SH
  2. Loosen the clamps at the following:
    3. • Mass air flow (MAF)/intake air temperature (IAT) sensor
    • Throttle body
  3. Remove the air cleaner outlet duct bolt.
  4. Remove the air cleaner outlet duct.

Installation Procedure

    Object Number: 898123 Size: SH
  1. Install the air cleaner outlet duct.

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

  2. Install the air cleaner outlet duct bolt and tighten to 10 N·m (89 lb in).
  3. Tighten the clamps at the following:
    4. • MAF/IAT sensor
    • Throttle body
    • Tighten the clamps to 7 N·m (62 lb in).

    Object Number: 1522413 Size: SH
  4. Connect the PCV fresh air tube (2) to the air cleaner resonator outlet duct (1).