How to Replace install water pump GMC
Some of the auto experts say, water pump is the heart of engine. If it fails, many things get damage and entire engine can choke up. Then what should you know about water pumps in your vehicle? Sell Auto Parts gives you a brief description about the water pump and it even enables you to find the best at reasonable price.
First, let us know how does the water pump works?
The water pump pushes coolant through a vehicle’s cooling system. The water pump is driven by an accessory belt at the front of the engine or by the timing belt, or by the timing chain.
How do you find your water pump is in bad condition?
Water pumps require replacement if they begin to leak coolant or become noisy. Leaking water pumps can result in damage to the drive and timing belts, as well as cause the engine to overheat. A failed water pump can be caused by other problems in the cooling system, such as a failing thermostat, radiator, or head gasket. If the water pump is not maintaining proper coolant circulation the engine will overheat, causing leaks, possible head gasket damage, and ultimately a failed motor. Failure to shut down an engine while overheating will eventually cause stalling, necessitating a tow.
How to diagnose damaged water pumps?
The technician will check for leaks and wetness around the water pump area. With the engine running, they may also use a stethoscope to check for noise indicating wear of the water pump bearing. If visible, the belt driving the pump will be inspected; along with the water pump pulley to be sure the pump is being driven properly. In the case of electric water pumps on some newer cars, the engine’s computer will be checked for codes, and the relevant tests will be performed to determine the proper repair.
How to replace water pumps?
To replace the water pump, the cooling system is drained and the fan belt or timing belt and pulleys are removed. If the water pump is operated by a fan belt, the hose going from the water pump to the radiator is removed, as are the bolts securing the water pump to the engine. The water pump is removed from the engine, and the engine surfaces are cleaned. A new water pump and gasket are installed, and the cooling system is refilled with fresh coolant. If the water pump is operated by the timing belt, the timing belt covers, timing belt, and all related components are disassembled. The hardware securing the water pump to the engine is removed, and the water pump is removed from the engine. The surfaces are cleaned and a new water pump and gasket are installed. All timing belt–related components, fan belts, and pulleys are installed, and the cooling system is refilled with fresh coolant.
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