Contents Wiring diagrams Section: Cooling System (Mechanical) All sections

Engine Cooling System: Maintenance Nissan Altima L31

Cooling System (Mechanical) 2 illustrations ~152 words

Flushing Cooling System

  1. Fill radiator from filler cap above radiator upper hose and reservoir tank with water and reinstall filler cap above radiator upper hose.
  2. Run engine and warm it up to normal operating temperature.
  3. Rev engine two or three times under no-load.
  4. Stop engine and wait until it cools down.
  5. Drain water.
  6. Repeat steps 1 through 5 until clear water begins to drain from radiator.

Scheme 44

Scheme 44: REMOVAL AND INSTALLATION
WARNINGNever remove the radiator cap when the engine is hot. Serious burns could occur from high pressure coolant escaping from the radiator. Wrap a thick cloth around the cap. Slowly turn it a quarter turn to allow built-up pressure to escape. Carefully remove the cap by turning it all the way.
  1. Fill the radiator from the filler neck above the radiator upper hose and reservoir tank with clean water and reinstall radiator filler cap.
  2. Run the engine and warm it up to normal operating temperature.
  3. Rev the engine two or three times under no-load.
  4. Stop the engine and wait until it cools down.
  5. Drain the water from the system. Refer to «CHANGING ENGINE COOLANT»(ref-183495-S21164635392005081400000) .
  6. Repeat steps 1 through 5 until clear water begins to drain from the radiator.

Scheme 45

Scheme 45: REMOVAL AND INSTALLATION