GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 Escalade 🢒 HVAC 🢒 Heating, Ventilation, and Air Conditioning 🢒 Air Cleaner Resonator Outlet Duct Replacement

Removal Procedure

    Object Number: 1696754 Size: SH
  1. Remove the intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement.
  2. Remove the positive crankcase ventilation (PCV) line (1) from the air cleaner outlet duct.

    3. Object Number: 1965341 Size: SH
  3. Remove the radiator inlet hose clamp clip (2) from the air cleaner outlet duct (1).

    4. Object Number: 1965334 Size: SH
  4. Loosen the air cleaner outlet duct clamp (1) at the mass air flow (MAF)/intake air temperature (IAT) sensor.
  5. Loosen the air cleaner outlet duct clamp (2) at the throttle body.
  6. Lift up the air cleaner outlet duct at the resonator tab in order to separate the resonator from the stud on the intake manifold.
  7. Remove the air cleaner outlet duct (3) from the throttle body and MAF/IAT sensor.

Installation Procedure

    Object Number: 1965334 Size: SH

    Note: Ensure that the notch in the air cleaner outlet duct throttle body aligns with the boss on top of the throttle body.

  1. Install the air cleaner outlet duct (3) to the throttle body and MAF/IAT sensor. Ensure that the resonator tab aligns with the stud on the intake manifold.
  2. Push down on the air cleaner outlet duct resonator directly over the resonator tab in order to secure the resonator to the stud on the intake manifold.
  3. Tighten the air cleaner outlet duct clamp (2) at the throttle body.

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

  4. Tighten the air cleaner outlet duct clamp (1) at the MAF/IAT sensor.

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


    Object Number: 1965341 Size: SH
  5. Install the radiator inlet hose clamp clip (2) to the air cleaner outlet duct (1).

    6. Object Number: 1696754 Size: SH
  6. Install the PCV line (1) to the air cleaner outlet duct.
  7. Install the intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement.