GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2001 🢒 Alero 🢒 Engine 🢒 Engine Cooling 🢒 Engine Coolant Inlet Pipe Replacement

Removal Procedure
  1. Drain cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the exhaust manifold heat shield.

    3. Object Number: 181844 Size: LH
  3. Remove the coolant inlet pipe bolts through the exhaust manifold.
  4. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  5. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  6. Remove the engine splash shield. Refer to Engine Splash Shield Replacement in Body Front End.
  7. Remove the bolts from the transaxle-to-engine block brace and remove the brace.
  8. Remove the radiator hose from the coolant inlet pipe.
  9. Remove the coolant inlet pipe to oil pan bolt.
  10. Remove the coolant inlet pipe, thermostat and seal.

Installation Procedure

    Object Number: 181844 Size: LH
  1. Install the seal and the inlet pipe.

    2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Install the inlet pipe to the oil pan bolt.

    3. Tighten
    Tighten the inlet pipe bolt to 26 N·m (19 lb ft).

  3. Connect the radiator hose to the inlet pipe.
  4. Install the transaxle-to-engine block brace.
  5. Install the engine splash shield. Refer to Engine Splash Shield Replacement in Body Front End.
  6. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  7. Lower the vehicle.
  8. Install the coolant inlet pipe bolt through the exhaust manifold.

    9. Tighten
    Tighten the coolant inlet pipe bolt to 14 N·m (124 lb in).

  9. Install the exhaust manifold heat shield.
  10. Fill the cooling system. Refer to Cooling System Draining and Filling .