Water Pump: Service and Repair

Coolant Pump - 6.0L Diesel

Material:

Removal
1. Remove the cooling fan stator.
2. Loosen the 4 coolant pump pulley bolts.





3. Rotate the drive belt tensioner clockwise and remove the accessory drive belt from the coolant pump pulley.
4. Remove the 4 bolts and the coolant pump pulley.
5. Remove the 4 bolts and the coolant pump.
^ Discard the O-ring seal.
6. Clean and inspect the coolant pump sealing surfaces.

Installation

1. NOTE: Lubricate the new O-ring seal with clean engine coolant prior to installation.

Install a new O-ring on the coolant pump.

2. CAUTION: Do not rotate the coolant pump housing once the coolant pump has been positioned in the cylinder block. Damage to the O-ring seal will occur.

Position the coolant pump and install the 4 bolts.
^ Tighten to 23 Nm (17 ft. lbs.).
3. Position the coolant pump pulley and install the 4 bolts finger tight.





4. Rotate the drive belt tensioner clockwise and install the accessory drive belt onto the coolant pump pulley.
5. Tighten the 4 coolant pump pulley bolts.
^ Tighten to 31 Nm (23 ft. lbs.).
6. Install the cooling fan stator.