## Fan Controls

#### Radiator Fan Switch Test

10-17

Radiator Fan Switch Replacement

NOTE: Bleed air from the cooling system after installing the radiator fan switch (see page 10-6).

1. Remove the radiator fan switch from the radiator (see page 10-17).

1. Suspend the radiator fan switch (A) in a container of water as shown.

1. Heat the water, and check the temperature with a thermometer. Do not let the thermometer (B) touch the bottom of the hot container.

1. Measure the continuity between terminal No.1 and terminal No.2 according to the table.

1. Disconnect the radiator fan switch connector, then remove the radiator fan switch (A).

1. Install the radiator fan switch with a new O-ring (B).

a a a