Remove the coolant pump as follows (see Figure 44330 for component location):
1. Upper Thermostat Housing
5. Coolant Pump
2. Lower Thermostat Housing
6. Crankshaft Damper
3. Connector Tube
7. Belt Tensioner
8. Cab Heater Tube
Coolant Pump and Related Components EGREngine
To avoid scalding from the expulsion of hot coolant, never remove the cooling system pressure cap while the engine is at operating temperature. Wear adequate protective clothing (face shield, rubber gloves, apron, and boots). Remove the cap slowly to relieve pressure.
Note: The oil filter is part of the rear coolant pump housing and must be removed as an assembly.
Note: Only five bolts can be removed during the removal of the rear coolant pump housing and oil filter assembly due to interference with damper. Loosening the bolt near the damper completely will allow remove of assembly.
Install the coolant pump as follows (see Figure 44330 for component location):
Note: One lower bolt, near the damper, must be installed in rear coolant pump and oil filter assembly prior to installation due to interference by damper.
Note: The oil filter is part of the coolant pump housing and must installed as an assembly.
Note: The belt tensioner has two locating pins on the rear that must align with corresponding holes in the cylinder block.