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How do you change the water pump ona 1999 Nissan Quest?

1. Drain the Cooling System

- Park your vehicle on a level surface.

- Shut off the engine and allow it to cool down.

- Open the radiator cap.

- Locate the drain plug on the bottom of the radiator and loosen it to allow the coolant to drain into a catch basin.

- Close the drain plug once the coolant has drained.

2. Remove the Drive Belt

- Use a wrench to loosen the tensioner pulley and remove the drive belt.

3. Unbolt the Water Pump

- Locate the water pump on the front of the engine. Remove the bolts holding it in place and carefully remove the water pump.

4. Remove the Old Gasket

- Use a gasket scraper to remove the old gasket material from the mating surfaces of the water pump and the engine.

5. Install the New Gasket and Water Pump

- Apply a thin layer of sealant to the new gasket and position it on the water pump.

- Carefully install the water pump on the engine and secure it with the bolts.

- Tighten the bolts to the specified torque.

6. Install the Drive Belt

- Put the drive belt back onto the pulleys. Ensure the belt is correctly aligned before reattaching the cover.

7. Refill the Cooling System

- Close the radiator cap and add new coolant to the system until it reaches the full mark on the radiator.

8. Test the System for Leaks

- Start the engine and let it run for a few minutes.

- Check for any leaks around the water pump and connections.

- Turn off the engine and let it cool down.

- Once the engine is cool, check the coolant level and top off if necessary.

9. Double Check

- Tighten the water pump bolts one more time after the car is finished cooling.