GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2004 🢒 Aztek - FWD 🢒 General Information 🢒 General Information 🢒 Engine Coolant Inlet Pipe Replacement

Removal Procedure

    Object Number: 1395459 Size: SH
  1. Drain the coolant until the coolant level is below the lower radiator hose. Refer to Cooling System Draining and Filling .
  2. Remove the lower radiator hose from the coolant inlet pipe. Refer to Radiator Outlet Hose Replacement .
  3. Remove the water coolant inlet pipe bolts and the coolant inlet pipe.
  4. Remove and discard the coolant inlet pipe seal.

Installation Procedure

    Object Number: 1395459 Size: SH
  1. Install the NEW coolant inlet pipe seal.

    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 coolant inlet pipe bolts.

    3. Tighten

    • Tighten the water outlet upper bolt (2) to 23 N·m (17 lb ft).
    • Tighten the water outlet lower bolt (1) to 50 N·m (37 lb ft).
  3. Install the lower radiator hose to the coolant inlet pipe. Refer to Radiator Inlet Hose Replacement .
  4. Fill the cooling system. Refer to Cooling System Draining and Filling .