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Removal and Installation: Removal

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain coolant. Refer to "CHANGING ENGINE COOLANT ".
    CAUTION: Perform when the engine is cold.
  2. Remove engine coolant reservoir tank. Refer to "REMOVAL AND INSTALLATION ".
  3. Remove IPDM E/R bolts and position aside. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".
  4. Remove right-hand wheel and tire assembly using power tool.
  5. Remove splash shield.
  6. Remove drive belts. Refer to "REMOVAL AND INSTALLATION - DRIVE BELTS ".
  7. Remove idler pulley and idler pulley bracket.
  8. Support engine at lower oil pan with a transmission jack and remove front engine insulator and bracket. Refer to "REMOVAL AND INSTALLATION - FRONT ENGINE INSULATOR AND BRACKET ".
  9. Remove water drain plug on water pump side of cylinder block.
  10. Remove chain tensioner cover and water pump cover.
    Fig 1: Removing Chain Tensioner Cover & Water Pump Cover
    G02447091Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Remove the chain tensioner assembly.
    1. Pull the lever down and release the plunger stopper tab.
      Fig 2: Releasing Plunger Stopper Tab
      G02447092Courtesy of NISSAN MOTOR CO., U.S.A.
    2. Insert the stopper pin into the tensioner body hole to hold the lever and keep the stopper tab released.
      NOTE: An Allen wrench [2.5 mm (0.098 in.)] is used for a stopper pin as an example.
    3. Insert the plunger into the tensioner body by pressing the timing chain slack guide.
    4. Keep the slack guide pressed and hold the plunger in by pushing the stopper pin deeper through the lever and into the tensioner body hole.
    5. Make a gap between water pump gear and timing chain by turning the crankshaft pulley approximately 20° clockwise.
      Fig 3: Turning Crankshaft Pulley
      G02447093Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Remove chain tensioner.
    CAUTION: Be careful not to drop chain tensioner bolts inside front timing chain case.
    Fig 4: Removing Chain Tensioner
    G02447094Courtesy of NISSAN MOTOR CO., U.S.A.
  13. Remove the three water pump bolts. Make a maximum gap between water pump gear and timing chain by turning crankshaft pulley counterclockwise until timing chain loosens on water pump sprocket.
    Fig 5: Removing Water Pump Bolts
    G02447095Courtesy of NISSAN MOTOR CO., U.S.A.
  14. Screw M8 bolts [pitch: 1.25 mm (0.49 in) length: approx. 50 mm (1.97 in.)] into water pump's upper and lower bolt holes until they reach the timing chain case. Then, alternately tighten each bolt for a half turn, and pull out the water pump.
    Fig 6: Tightening Water Pump Pull Bolts
    G02447096Courtesy of NISSAN MOTOR CO., U.S.A.
    • Pull straight out while preventing vane from contacting socket in installation area.
    • Remove water pump without causing sprocket to contact timing chain.
  15. Remove M8 bolts and O-rings from water pump.
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