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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Cooling System - 3.5L) >> Water Pump >> Removal and Installation >> Installation

Removal and Installation: Installation

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  1. Install new O-rings to water pump.
  2. Apply engine oil and coolant to the O-rings as shown.
    • Locate the O-ring with white paint mark to engine front side.
      Fig 1: Installing O-Rings To Water Pump
      G02884043Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Install the water pump.
    CAUTION: Do not allow cylinder block to interfere with the O-rings when installing the water pump.
    • Check that timing chain and water pump sprocket are engaged.
    • Insert water pump by tightening mounting bolts alternately and evenly.

      Water pump mounting bolts 8.5 - 10.7 N.m (0.86 - 1.10 kg-m, 75 - 95 in-lb) 

      Fig 2: Installing Water Pump
      G02884044Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Remove dust and foreign material completely from backside of chain tensioner and from installation area of rear timing chain case.
  5. Turn the crankshaft pulley approximately 20° clockwise so that the timing chain on the timing chain tensioner side is loose.
    NOTE: When installing the timing chain tensioner, engine oil should be applied to the oil hole and tensioner.
    Fig 3: Turning Crankshaft Pulley
    G02884045Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Install the timing chain tensioner.

    Timing chain tensioner mounting bolts 7.0 - 9.3 N.m (0.71 - 0.95 kg-m, 62 - 82 in-lb) 

  7. Remove the stopper pin.
    Fig 4: Removing Stopper Pin
    G02884046Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Install chain tensioner and water pump cover.
    1. Before installing, remove all traces of sealant from mating surface of water pump cover and chain tensioner cover using a scraper.

      Also remove traces of sealant from the mating surface of the front cover.

      Fig 5: Removing Traces Of Sealant
      G02884047Courtesy of NISSAN MOTOR CO., U.S.A.
    2. Apply a continuous bead of RTV Silicone Sealant or equivalent, to mating surface of chain tensioner cover and water pump cover. Refer to RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS .
  9. Install water drain plug on water pump side of cylinder block.
  10. Install idler pulley.

    Idler pulley bolts : 25 - 31 N.m (2.5 - 3.2 kg-m, 18 - 23 ft-lb) 

  11. Installation of remaining components is in the reverse order of removal.
    Fig 6: Applying A Continuous Bead Of RTV Silicone Sealant
    G02884048Courtesy of NISSAN MOTOR CO., U.S.A.
    • Refill engine coolant.
    • After starting engine, let idle for three minutes, then rev engine up to 3, 000 RPM under no load to purge air from the high-pressure chamber of the chain tensioner. The engine may produce a rattling noise. This indicates that air still remains in the chamber and is not a matter of concern.