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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 90 (Engine Cooling System) >> Removal And Installation >> Thermostat And Thermostat Housing >> Removal and Installation >> Removal

Removal and Installation: Removal

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Do not remove the radiator cap when the engine is hot. Serious burns could occur from high-pressure engine coolant escaping from the radiator. Wrap a thick cloth around the cap. Slowly push down and turn it a quarter turn to allow built-up pressure to escape. Carefully remove the cap by pushing it down and turning it all the way.
NOTE: When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.
  1. Drain engine coolant from the radiator. Refer to Changing Engine Coolant .
    CAUTION: Perform when engine is cool.
  2. Remove cowl top extension. Refer to Removal and Installation .
  3. Remove front air duct. Refer to Removal and Installation .
  4. Remove coolant reservoir hose.
  5. Remove coolant reservoir tank. Refer to Exploded View .
  6. Drain the power steering fluid reservoir. Refer to Draining and Refilling .
  7. Remove the power steering oil pump. Refer to Removal and Installation .
  8. Support the engine (1) and transaxle (2) using suitable jack (A).
    G08432175Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION:
    • Position a suitable jack under the engine and transaxle assembly as shown.
    • Do not damage the front exhaust tube or transaxle oil pan with the jack.
  9. Remove The RH engine insulator and bracket. Refer to Removal and Installation .
  10. Disconnect radiator hose (lower).
  11. Remove engine coolant inlet thermostat assembly and gasket.
    G04160027Courtesy of NISSAN NORTH AMERICA, INC.
    • Do not disassemble engine coolant inlet and thermostat. Replace them as a unit if necessary. 
    • Do not reuse gasket.