Chrysler 52028898AI THRMOSTAT

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On 2.7L and 3.5L V6 engines, the thermostat is located on the lower left side and top front of the engine, respectively. To replace, first disconnect the negative battery terminal and drain the cooling system. Loosen the hose clamp and detach the hose(s). Remove the thermostat housing cover and discard the O-ring seal. For 3.6L V6 engines, disconnect the radiator hose and remove the thermostat housing and gasket. Clean all mating surfaces before reassembly. Install a new gasket and place the thermostat in the same direction and position. Reattach the hose(s) and tighten the hose clamp(s). Refill the cooling system and check for leaks and proper thermostat operation.

The thermostat is probably stuck open and should be replaced.

Check the coolant level, drivebelt tension, and temperature gauge operation.

Start by disconnecting the cable(s) from the negative battery terminal(s) and draining the cooling system. The location of the thermostat housing varies depending on the engine type. Follow the upper radiator hose to the engine for the 3.6L engine and the 5.7L and 6.4L Hemi engine. For the 3.7L V6 and 4.7L V8 engines, follow the lower radiator hose to the engine. For the diesel engine, follow the upper radiator hose to the engine. Remove the necessary components to access the thermostat housing. Squeeze the tabs on the hose clamp to loosen it and detach the hose(s) from the thermostat housing. If the hose is stuck, twist it with adjustable pliers to break the seal. Remove the thermostat housing from the engine and remove the thermostat. Install a new rubber gasket around the thermostat and insert it into the thermostat housing. Install the thermostat housing and bolts onto the engine, then reattach the hose(s) and tighten the hose clamp(s) securely. Refill the cooling system, start the engine, and check for leaks and proper thermostat operation.