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Jerry, Master Mechanic
Category: Pontiac
Satisfied Customers: 17219
Experience:  ASE Master tech. 30+ years mechanic, shop forman, service manager
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2000 pontiac grand am: i change a water pump..liter engine

Customer Question

how do i change a water pump on a 2000 pontiac grand am with a 3.8 liter engine
Submitted: 7 years ago.
Category: Pontiac
Expert:  Jerry replied 7 years ago.

Hello and welcome to Just, Super mechanic here. About your vehicle.



Removal Procedure








  1. Disconnect the negative battery cable.
  2. Drain the cooling system. Recover the coolant. Refer to Draining and Filling Cooling System.
  3. Remove the drive belt.
  4. Remove the water pump pulley bolts.
  5. Remove the water pump pulley.
  6. Remove the coolant pump attaching bolts.
  7. Remove the coolant pump.
  8. Clean the coolant pump and the sealing surfaces.

Installation Procedure






  1. Install the water pump and new gasket.
    • Tighten the bolts to 10 Nm (89 inch lbs.).
  1. Install the water pump pulley and the bolts.
  2. Install the drive belt.
  3. Tighten the water pump pulley bolts.
    • Tighten the bolts to 25 Nm (18 ft. lbs.).
  1. Connect the negative battery cable.
    • Tighten the bolts to 16 Nm (12 ft. lbs.).
  1. Refill the cooling system.
  2. Inspect the cooling system for leaks.




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