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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 374 (Engine Cooling System) >> Removal And Installation >> Water Pump >> Removal and Installation (For Mexico) >> Removal

Removal and Installation (For Mexico): Removal

WARNING: This page is about a different car, the 2019 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery terminal. Refer to Removal and Installation .
  2. Remove the engine room cover. Refer to Removal and Installation .
  3. Remove front air duct. Refer to Exploded View .
  4. Remove front under cover. Refer to Removal and Installation .
  5. Drain engine coolant from the radiator. Refer to Changing Engine Coolant .
    CAUTION:
    • Perform this step when the engine is cold.
    • Do not spill engine coolant on the drive belt.
  6. Drain the power steering fluid reservoir. Refer to Draining and Refilling .
  7. Remove the front wheel and tire (RH) using power tool. Refer to Adjustment .
  8. Remove the front fender protector (RH). Refer to Removal and Installation .
  9. Disconnect engine coolant reservoir hose and remove engine coolant reservoir tank.
  10. Set No. 1 cylinder at TDC on its compression stroke.
    • Align pointer with TDC mark on crankshaft pulley.
  11. Remove drive belt. Refer to DRIVE BELT .
  12. Remove the drive belt auto-tensioner assembly. Refer to DRIVE BELT .
  13. Remove the E-PSF cover, bracket and motor. Refer to Removal and Installation .
  14. Support engine and remove the engine insulator and bracket (RH). Refer to ENGINE MOUNT .
  15. Disconnect the A/C lines at the junction. Refer to Removal and Installation .
  16. Remove valve timing control cover (bank 1). Refer to VALVE TIMING CONTROL .
  17. Remove water pump cover. Refer to EXPLODED VIEW .
  18. Remove the timing chain tensioner (primary) as follows:
    GNSAWBIA0903Z-903Courtesy of NISSAN NORTH AMERICA, INC.
    1. Pull the lever (C) down to release the plunger stopper tab (B).
    2. Insert a suitable tool (A) into the tensioner body hole to hold the lever (C) and keep the plunger stopper tab (B) released.
      NOTE: An allen wrench [(1.2 mm (0.047 in)] is used as stopper pin (A) for an example.
    3. Compress the plunger (D) into the tensioner body (1) by pressing the slack guide (2).
    4. Keep the slack guide (2) pressed and lock the plunger (D) in by pushing the suitable tool (A) through the lever (C) and into the chain tensioner body hole.
    5. Remove timing chain tensioner bolts and then remove the timing chain tensioner.
      CAUTION: Do not drop timing chain tensioner bolts inside timing chain case.
  19. Remove the three water pump bolts (A). Make a gap between water pump sprocket (1) and timing chain, by carefully turning crankshaft pulley (2) counterclockwise until timing chain loosens on water pump sprocket (1).
    GNSAWBIA0904Z-904Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Do not drop water pump bolts inside timing chain case.
  20. Screw M8 bolts (A) [pitch: 1.25 mm (0.49 in) length: approx. 50 mm (1.97 in)] into water pump (1) upper and lower bolt holes until they reach the rear timing chain case.
    GNSAWBIA3172Z-172Courtesy of NISSAN NORTH AMERICA, INC.
  21. Hold the timing chain to side using a suitable tool and alternately tighten the M8 bolts for a half turn until the water pump can be removed.
    GNSAWBIA2670Z-670Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION:
    • Place a suitable shop cloth below the water pump housing to prevent any engine coolant from dripping into the timing chain case.
    • Remove water pump without causing sprocket to contact timing chain.
    • Pull water pump straight out while preventing vane from contacting socket in installation area.
    • It may be necessary to adjust the timing chain until it loosens enough to remove the water pump.
  22. Remove M8 bolts and O-rings from water pump.
    CAUTION: Do not reuse O-rings.
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