Removal and Installation - Thermostat

Special Service Tools / General Equipment

Hose Clamp Removal/Installation Tool

Removal

1. 1
   Drain the cooling system.
   Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding (303-03C Engine Cooling – General Procedures).
2. 2
   Loosen the clamp and disconnect the coolant hose.
   Use common service equipment: hose clamp removal/installation tool.

   

3. 3
   Remove the bolts and disconnect the coolant inlet pipe.
   Torque: 89 lb-in (10 N·m)

   

4. 4
   Remove the thermostat. Remove and discard the O-ring seal.

   

Installation

1. 1
   Lubricate the new O-ring seal.
   Refer to: Specifications (303-03C Engine Cooling, Specifications).
2. 2
   To install, reverse the removal procedure.
3. 3
   Fill and bleed the cooling system.
   Refer to: Engine Cooling System Draining, Vacuum Filling and Air Bleeding (303-03C Engine Cooling - General Procedures).