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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1655 (Engine Cooling System) >> Repair Instructions >> Cooling System Draining and Filling (Static Fill Without HP5) >> Filling Procedure

Filling Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    CAUTION: All entrapped air must be purged from the powertrain cooling system before the final coolant level can be determined. Proper coolant level is critical to avoid engine damage.
    NOTE: The vehicle must be level when filling the cooling system.
  1. Slowly add a mixture of 50/50 DEX-COOL antifreeze and clean water to the coolant surge tank. Fill the cooling system as indicated below:
    • For LE5/LAT vehicles when the engine block is not drained, add 3.5 liters (3.7 qts)
    • For LE5/LAT vehicles when the engine block is drained, add 6 liters (6.3 qts)
    • For LZ4/LY7 vehicles, add 5 liters (5.3 qts)
  2. Start the engine and check for leaks.
  3. Run the engine and cycle the vehicle from idle to 3,000 RPM in 30 second intervals until the engine cooling fan comes ON, the engine cooling fan turns ON at approximately 102°C (216°F). Repeat this process twice before the engine is turned OFF.
  4. Return the engine to idle, and idle for 30 seconds, then turn the engine OFF.
  5. Allow the vehicle to cool, before adding additional coolant.
    6. NOTE: The level in the surge tank will return into the cold fill range once the vehicle cools.
  6. Add additional coolant to the surge tank until the level is approximately 13 mm (0.5 in) above the surge tank seam.
  7. Install the coolant surge tank cap.
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