GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Allure 🢒 Engine 🢒 Engine Electrical 🢒 Drive Belt Tensioner Replacement

Removal Procedure
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Drain the cooling system. Refer to Cooling System Draining and Filling.
  3. Remove the coolant recovery reservoir. Refer to Coolant Recovery Reservoir Replacement.
  4. Remove the drive belt. Refer to Drive Belt Replacement.
  5. Remove the generator. Refer to Generator Replacement.
  6. Remove the heater hose adapters with the heater hoses from the drive belt tensioner. Refer to Heater Inlet Hose Replacement and to Heater Outlet Hose Replacement.

    7. Object Number: 326960 Size: SH
  7. Remove the drive belt tensioner bolts.
  8. Remove the drive belt tensioner.
  9. If replacing the drive belt tensioner, remove the thermostat bypass upper and lower pipe assemblies.

Installation Procedure
  1. If replacing the drive belt tensioner, lubricate the thermostat bypass upper and lower pipe assembly seals with engine coolant and install the upper and lower pipe assemblies.

    2. Object Number: 326960 Size: SH
  2. Install the drive belt tensioner.

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

  3. Install the drive belt tensioner bolts.

    4. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).

  4. Install the heater hose adapters with the heater hoses to the drive belt tensioner. Refer to Heater Inlet Hose Replacement and to Heater Outlet Hose Replacement.
  5. Install the generator. Refer to Generator Replacement.
  6. Install the drive belt. Refer to Drive Belt Replacement.
  7. Install the coolant recovery reservoir. Refer to Coolant Recovery Reservoir Replacement.
  8. Fill the cooling system. Refer to Cooling System Draining and Filling.
  9. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.