Engine Coolant Thermostat: Removal

WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: DO NOT LOOSEN RADIATOR DRAIN-COCK WITH SYSTEM HOT AND PRESSURIZED. SERIOUS BURNS FROM COOLANT CAN OCCUR.

Fig 1: Identifying Thermostat Cross Section View

Courtesy of DAIMLERCHRYSLER CORP.

Do not waste reusable coolant. If solution is clean, drain coolant into a clean container for reuse.

If thermostat is being replaced, be sure that replacement is specified thermostat for vehicle model and engine type.

Disconnect negative battery cable at battery.
Drain cooling system (Refer to STANDARD PROCEDURE - DRAINING COOLING SYSTEM ).
Raise vehicle on hoist.
Remove splash shield.
Remove lower radiator hose clamp and lower radiator hose at thermostat housing.
Remove thermostat housing mounting bolts, thermostat housing and thermostat ( Fig 2).

Fig 2: Identifying Thermostat And Thermostat Housing
Courtesy of DAIMLERCHRYSLER CORP.