Water Pump

REMOVAL & INSTALLATION

3.0L Engine

1. Remove or disconnect the following:
   • Negative battery cable
   • Coolant
   • Accessory drive belt
   • Water pump pulley
   • Drive belt tensioner
   • Lower radiator and heater hose from the water pump
   • Water pump

   NOTE: Bolts 1, 2, 3 and 10 are for the front cover and are not removed for this procedure.

   To install:

   WARNING
   Be careful not to gouge the aluminum surfaces when scraping the old gasket material from the mating surfaces of the water pump and front cover.

2. Clean the gasket surfaces on the water pump and front cover. Lightly oil all bolt and stud threads, except those requiring special sealant.
3. Position a new water pump housing gasket on the water pump sealing surface using gasket sealant to hold the gasket in place.
4. With the water pump pulley and retaining bolts loosely installed on the water pump, align the water pump-to-engine front cover, then install the retaining bolts.
5. Tighten the bolts to the following specifications:
   • Bolt numbers 4, 5, 6, 7, 8 and 9: 15–22 ft. lbs. (20–30 Nm).
   • Bolt numbers 11 through 15: 71–106 inch lbs. (8–12 Nm).
6. Hand-tighten the water pump pulley retaining bolts.
7. Install the automatic belt tensioner assembly. Tighten the 2 retaining nuts and bolt to 35 ft. lbs. (47 Nm).
8. Install the alternator and power steering belts. Final tighten the water pump pulley retaining bolts to 15–22 ft. lbs. (20–30 Nm).
9. Position the hose clamps between the alignment marks on both ends of the hose, then slide the hose on the connection. Tighten the hose clamps to 20–30 inch lbs. (2.3–3.4 Nm).
10. Fill and bleed the cooling system.
11. Connect the negative battery cable.
12. Start the engine and check for leaks.

3.8L Engine

1. Remove or disconnect the following:
   • Negative battery cable
   • Coolant
   • Drive belts
   • Lower radiator hose
   • Lower nut on both front engine supports
   • Alternator
   • Power steering pressure line from the pump
   • Power steering reservoir filler cap
   • Water bypass hose and oil cooler hose from the heater water outlet tube
   • Heater water outlet tube from the water pump
   • Air conditioning bracket brace
2. Raise the engine approximately 2 inches (51mm) to provide necessary clearance for water pump removal.
3. Remove the water pump pulley.
4. Remove the drive belt tensioner form the power steering pump brace.
5. Remove the power steering pump brace and place the pump and brace aside in the engine compartment.
6. Remove the water pump.

   To install:

7. Clean all gasket mating surfaces thoroughly.

   WARNING
   Be careful not to gouge the aluminum surfaces when scraping the old gasket material from the mating surfaces of the water pump and front cover.

8. Cover the threads of the No. 1 engine front cover stud with Teflon® tape.
9. Install or connect the following:
   • New water pump housing gasket on the water pump sealing surface using gasket sealant to hold the gasket in place.
   • Water pump and tighten the bolts to 15–22 ft. lbs. (20–30 Nm) and the nuts to 71–106 inch lbs. (8–12 Nm).
   • Power steering pump brace
   • Drive belt tensioner
   • Water pump pulley
   • Air conditioning bracket brace
   • Heater water outlet tube
   • Water bypass hose and oil cooler hose
   • Power steering reservoir filler cap
   • Power steering pressure line
   • Alternator
   • Lower nut on both front engine supports
   • Lower radiator hose
   • Drive belts
10. Fill and bleed the cooling system.
11. Connect the negative battery cable.