Engine Cooling
Coolant PumpService Repair No - 26.50.01
Removal
1. Disconnect the battery ground cable.
2. Raise and support the vehicle.
WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.
3. Drain the cooling system.
WARNING: Since injury such as scalding could be caused by escaping steam or coolant, do not remove the filler cap from the coolant expansion tank while the system is hot.
4. Remove the cooling fan.
5. Remove the cooling fan drive belt.
^ Using a 1/2 inch square drive bar, rotate the drive belt tensioner clockwise.
6. Remove the cooling fan drive pulley.
^ Remove the 3 bolts.
7. Remove the cooling fan drive hub bearing.
^ Remove the 5 bolts.
8. Remove the cooling fan belt tensioner.
^ Remove the bolt.
9. Release the accessory drive belt.
^ Rotate the accessory drive belt tensioner counter-clockwise, using a 3/8" drive wrench.
10. NOTE: Note the fitted position.
Remove the accessory drive belt.
11. Remove the coolant pump drive pulley.
^ Remove the 3 bolts.
12. Remove the coolant pump.
^ Remove the 5 bolts.
^ Discard the gasket.
Installation
1. NOTE: Install a new gasket.
Install the coolant pump.
^ Clean the component mating faces.
^ Tighten the 5 bolts to 10 Nm (7 ft. lbs.).
2. Install the coolant pump drive pulley.
^ Tighten the 3 bolts to 10 Nm (7 ft. lbs.).
3. Install the accessory drive belt.
4. Install the cooling fan belt tensioner.
^ Tighten the M10 bolt to 45 Nm (33 ft. lbs.).
5. Install the cooling fan drive hub bearing.
^ Tighten the bolts to 10 Nm (7 ft. lbs.).
6. Install the cooling fan drive pulley.
^ Tighten the bolts evenly to 25 Nm (18 ft. lbs.).
7. Install the cooling fan drive belt.
^ Using a 1/2 inch square drive bar, rotate the drive belt tensioner clockwise.
8. Install the cooling fan.
9. Connect the battery ground cable.
10. Refill the cooling system.