PLUG-ORIFICE 2799810 - Caterpillar

Removal Procedure
Turn the battery disconnect switch to the OFF position.
Refer to the Original Equipment Manufacture (OEM) for the location of the solenoid valve.
Drain the coolant from the cooling system to a level below the solenoid valve, into a suitable container for storage or for disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct draining procedure.
Illustration 1 g03727977
Disconnect the harness assembly from connection (3) on solenoid valve (2).
Loosen hose clamp (5) and remove hose assembly (4) from solenoid valve (2).
Loosen hose clamp (6) and remove hose assembly (7) from solenoid valve (2).
Remove bolts (1) and remove solenoid valve (2). Installation Procedure
Ensure that the solenoid valve is free from wear or damage. Replace the solenoid valve as an assembly if any component of the solenoid valve is not free from wear or damage.
Illustration 2 g03727977
Install solenoid valve (2) and install bolts (1). Tighten the bolts to a torque of 22 N m (195 lb in).
Install hose assembly (4) to solenoid valve (2). Tighten hose clamp (5) to a torque of 7 N m (62 lb in).
Install hose assembly (7) to solenoid valve (2). Tighten hose clamp (6) to a torque of 7 N m (62 lb in).
Connect the harness assembly to connection (3) on solenoid valve (2).
Fill the cooling system to the correct level. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Check" and Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct filling procedure.
Turn the battery disconnect switch to the ON position.