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Hammer Time
Hammer Time, L1 Master Technician
Category: Car
Satisfied Customers: 4942
Experience:  ASE Mastertech with Adv level Engine performance cert.
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how to replace a 1997 nissan altima water pump

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Submitted: 10 years ago.
Category: Car
Expert:  Hammer Time replied 10 years ago.



See Figures 1, 2 and 3

Click image to see an enlarged view
Fig. 1: The water pump pulley is attached by four small bolts

Click image to see an enlarged view
Fig. 2: Silicone gasket sealer (arrow) is used to seal the water pump to the front cover

Click image to see an enlarged view
Fig. 3: Water pump bolts are of various lengths. When installing the water pump, be sure the bolts are returned to their original positions

  1. Disconnect the negative battery cable.

  2. Drain and recycle the engine coolant.

  3. Remove the upper radiator.

  4. Remove the accessory drive belts from the pulleys.

  5. Remove the alternator.

  6. Place a floor jack beneath the engine oil pan using a piece of wood as a cushion.

  7. Raise the engine slightly using a floor jack and remove the passenger's side engine mount.

The mounting bolts are different sizes and must be reinstalled in the correct location; therefore, it is a good idea to arrange the bolts so that they can be easily identified during installation.

  1. Unfasten the attaching bolts and remove the water pump from the engine.

To install:

  1. Make sure all gasket surfaces are clean, then properly apply a continuous bead of liquid gasket to the water pump mounting surface.

  2. Install the pump to the engine. Tighten the 6mm bolts to 57-66 inch lbs. (6-8 Nm) and the 8mm bolts to 12-14 ft. lbs. (16-19 Nm).

  3. Install the water pump pulley and tighten the bolts to 57-66 inch lbs. (6-8 Nm).

  4. Install the passenger's side engine mount.

  5. Install the alternator.

  6. Install the accessory drive belts on their pulleys.

  7. Install the upper radiator.

  8. Fill and bleed the cooling system.

  9. Start the engine and check for leaks.

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