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Coolant Temperature Switch Removal and Installation

NOTE: On 4-151 engine, the sensor (or switch) is located at the rear of the cylinder block. On 6-258 engines, the coolant temperature switch is integral with the intake manifold heater (EFE) coolant temperature control switch. This switch is located at the rear of the intake manifold.

1. Disconnect wire connector.
2. Remove switch.
3. Reverse procedure to install. Tighten switch to 72 inch lbs.