Pontiac Water Pump Problems

The water pump is a centrifugal pump that’s main purpose is to circulate fluid whenever the engine is running. Your water pump is an important component in your car as it keeps pumping coolant into the engine to prevent the engine from overheating. If there is a faulty bearing or a leak in your water pump, it could severely damage your engine. Read below where Experts answer questions on installing and replacing a Pontiac electric water pump.

How do I replace the water pump on my 1995 Pontiac Grand Prix SE?

To replace the water pump you need to first disconnect the battery ground cable and drain the engine coolant. You then need to remove the serpentine drive belt and disconnect the radiator heater hose. After this you can remove the water pump attaching the bolts and then the water pump. Before installing the water pump back make sure you clean the water pump mating surfaces and tighten the water pump attaching bolts in the specifications mentioned.

How do I replace the water pump on a 1997 Pontiac Firebird Trans AM?

To replace the water pump on your Trans AM you need to first raise and support the vehicle. Disconnect the electrical connectors from the engine coolant fan and remove the electric cooling fans. Remove the engine block coolant drain hole plug and the knock sensor. After this drain the coolant system and install the coolant drain plug and the knock sensor. To tighten the water pump you need to first tighten the coolant drain hole plug and then the knock sensor. You then have to remove the Intake Air Temperature, IAT sensor electrical connector. After this you need to remove the upper and lower radiator hoses from the water pump and the heater hoses from the water pump and the throttle body. You then need to disconnect the Engine Coolant Temperature, ECT sensor electrical connector.

Reposition the ignition coil and the bracket and remove the air pump and the bracket. Take out the water pump and the stud and remove the water pump from the vehicle. Remove the water pump gaskets and finally remove the driveshaft coupling and the water pump driveshaft seals. Clean the water pump gasket surfaces and the water pump bolts and nuts.

How do I change the water pump on a 1998 Pontiac Bonneville?

The water pump is bolted to the front of the engine block. To remove it you need to disconnect the negative battery cable. You then need to drain the coolant and remove the drive belt and remove the water pump pulley bolts. After this you need to remove the water pump pulley and clean the gasket mating surfaces. The installation procedure requires you to use a new gasket and install the water pump on the engine. After this install the water pump bolts. Proceed to install the drive belt and fill the coolant, connect the battery cable and check for any coolant leaks.

If when operating your vehicle you hear a low pitched grinding noise or notice water leaks around the water pump and gasket, a flashing thermostat light, the low coolant light glowing, or a faulty air conditioner your Pontiac water pump may need to be replaced. To learn how to install, replace, or change your vehicle’s water pump you should contact an Expert.