Chrysler 5184498AI Water Pump

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Disconnect the negative battery cable from the remote ground terminal or battery. Set the parking brake, raise the front of the vehicle and support it securely on jackstands. Drain the cooling system. For the 2.4L four cylinder engine, remove the accessory drivebelt, accessory drivebelt splash shield, water pump pulley bolts, water pump pulley, and water pump mounting bolts. For the 2.7L V6 engine, remove the radiator fan assembly, accessory drivebelt, timing chain and guides, and water pump bolts. For the 3.5L V6 engine, remove the timing belt and water pump mounting bolts. For the 3.6L V6 engine, remove the coolant reservoir tank, right side engine mount, engine mount block from the water pump, lower engine cover, right front wheel, inner fender splash shield, drivebelt, idler pulley, air conditioning compressor, bypass and lower radiator hoses, and water pump mounting bolts. Clean the bolt threads and threaded holes in the timing case cover. Compare the new pump to the old one. Remove all traces of old gasket material or the O-ring seal. Clean the engine and water pump mating surfaces. Apply a thin coat of RTV sealant to the new water pump O-ring and position it in the groove on the back of the water pump. Install a new seal, then carefully mate the pump to the engine. Install the water pump mounting bolts and tighten them to the torque. The remainder of installation is the reverse of removal. Refill and bleed the cooling system. Run the engine and check for leaks and proper operation.

Remove the timing belt and water pump mounting bolts.

Remove the timing belt and water pump mounting bolts. Inspect the water pump for damage and replace if needed. Scrape off old gasket material and install a new O-ring on the coolant inlet pipe. Place the new gasket on the water pump and install it, then press the pump assembly until the coolant inlet pipe seats properly. Install the pump-to-mounting bolts and refill the cooling system.

There are two ways to check the operation of the water pump while it's installed on the engine. If the pump is defective, it should be replaced with a new or rebuilt unit. Water pumps are equipped with weep or vent holes. If a failure occurs in the pump seal, coolant will leak from the hole. In most cases, you'll need a flashlight to find the hole on the water pump from underneath to check for leaks. If the water pump shaft bearings fail, there may be a howling sound at the front of the engine while it's running. With the engine off, shaft wear can be felt if the water pump pulley is rocked up-and-down.