SENSOR GP-SPEED 5465409 - Caterpillar

Removal Procedure
Refer to Operation and Maintenance Manual, "System Pressure Release".
Personal injury can result from hot coolant, steam and alkali.At operating temperature, engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot coolant or steam. Any contact can cause severe burns.Remove filler cap slowly to relieve pressure only when engine is stopped and radiator cap is cool enough to touch with your bare hand.Do not attempt to tighten hose connections when the coolant is hot, the hose can come off causing burns.Cooling System Conditioner contains alkali. Avoid contact with skin and eyes.
Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct draining and filling procedure.
Illustration 1 g01961173
Remove panel (1).
Illustration 2 g01961179
Remove bolts (2). Remove bolt (3) and bracket (4).
Illustration 3 g02504376
Cooling system coolant additive contains alkali. To help prevent personal injury, avoid contact with the skin and the eyes. Do not drink cooling system coolant additive.
A large amount of coolant can remain in tube (6). Be prepared to collect any excess coolant in a suitable container.
Remove bolts (5). Disconnect tube assembly (6).
Illustration 4 g02073994
Open the thermostatic valve to allow the coolant to drain from the bottom of the radiator. Remove bolts (7). Disconnect tube assembly (8).
Illustration 5 g02073997
Disconnect harness assembly (9).
Illustration 6 g03498496
Disconnect harness assembly (10) and remove the connecting hardware.
Illustration 7 g02074004
Attach a suitable lifting device onto thermostatic valve (11). The weight of thermostatic valve (11) is approximately 34 kg (75 lb).
Illustration 8 g02074013
Remove bolts (12). Remove thermostatic valve (11). Installation Procedure
Install thermostatic valve (11) in the reverse order of removal.