GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Allure 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Air Cleaner Resonator Outlet Duct Replacement

Removal Procedure

    Object Number: 1551864 Size: SH
  1. Disconnect the positive crankcase ventilation (PCV) tube from the air inlet duct. Refer to Plastic Collar Quick Connect Fitting Service .

    2. Object Number: 1554558 Size: SH
  2. Loosen the air inlet duct clamp at the throttle body.
  3. Remove the air inlet duct from the throttle body.

    4. Object Number: 1556020 Size: SH
  4. Loosen the air inlet duct clamp at the mass air flow (MAF)/intake air temperature (IAT) sensor.
  5. Remove the air inlet duct from the MAF/IAT sensor.

Installation Procedure

    Object Number: 1556020 Size: SH
  1. Install the air inlet duct from the MAF/IAT sensor.

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

  2. Tighten the air inlet duct clamp at the MAF/IAT sensor.

    3. Tighten
    Tighten the clamp to 3 N·m (27 lb in).


    Object Number: 1554558 Size: SH
  3. Install the air inlet duct to the throttle body.
  4. Tighten the air inlet duct clamp at the throttle body.

    5. Tighten
    Tighten the clamp to 3 N·m (27 lb in).


    Object Number: 1551864 Size: SH
  5. Connect the PCV tube to the air inlet duct. Refer to Plastic Collar Quick Connect Fitting Service .