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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 889 (Maintenance) >> Engine Maintenance >> Changing Engine Coolant >> Draining Engine Coolant

Draining Engine Coolant

WARNING: This page is about a different car, the 2007 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove engine undercover.
  2. Open radiator drain plug at the bottom of radiator and remove the radiator filler cap. This is the only step required for a partial cooling system drain.
  3. For a complete cooling system drain, remove the reservoir tank and drain the coolant, and then clean the reservoir tank before installation.
    • Do not allow coolant to spill on the drive belts.
  4. When performing a complete cooling system drain (to remove the engine or for engine repair), remove the water drain plug (water pump side) and the water drain plug.
  5. Check the drained coolant for contaminants such as rust, corrosion or discoloration.
    Fig 1: Identifying Radiator Drain Plug
    G04894351Courtesy of NISSAN MOTOR CO., U.S.A.