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Service Manual 40-90 HP.E-TEC Cooling System [Temperature Sender Servicing]

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Service Manual 40-90 HP.E-TEC Cooling System [Temperature Sender Servicing]
5008148
BRP Marine

TEMPERATURE SENDER SERVICING

Removal

Loosen sensor and remove by hand. Use care to avoid breaking threads.

Clean sensor threads, sensor, and sensor cavity.

Installation

Fill bottom of sensor cavity with 0.7 cc of Thermal Joint Compound, P/N 322170. Sensor cavity should be filled to 1 inch (25 mm) below the top edge of the cavity.
Install sensor. DO NOT use gasket sealing com pound. SLOWLY tighten temperature sensor to a torque of 50 to 70 in. lbs. (5.6 to 8.0 N·m).

  1. Temperature sensor
  2. Sensor cavity
  3. Thermal joint compound

Wait 10 minutes for trapped air to bleed from cavity. Thermal compound may seep past threads. Retighten sensor.

THERMOSTAT SERVICING

Disassembly

Remove the thermostat cover and O-ring from cylinder head.

Remove spring, thermostat, and gasket.

Remove the cylinder head if cylinder head thermostat seal requires replacement. Place new seal in the cylinder head with side marked “TO CYL

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