Water Pumps
Buick Century
Honda Civic DX

Where is the water pump located and how do you replace it on a 1999 Buick Century?


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2011-09-13 11:19:54
2011-09-13 11:19:54

That water pump is in the front passenger side of the engine. Find the lower radiator hose comming out of the bottom of the radiator. It attaches to the water pump. The water pump is operated by the main belt. You see it as a black wheel at the top left of the engine. To remove it, drain the coolant, (DO NOT DRAIN WHILE HOT) and you may want to take out the coolant reservoir, and whatever else is easy that is in your way. Then either with a 3/4 socket wrench or a special belt puller tool you can rent/loan from most auto part stores, loosen the belt and slip it off. You can then easily remove 5 bolts to free the water pump. Replacement is simple, as the water pump will only go in one way. Don't forget the gasket, a new water pump should come with one. If it does not, they are cheap to buy. This is also a good time to replace your hoses and buy new coolant. Remember, dispose of your coolant properly and DO NOT let children or pets near coolant! It tastes like koolaide and will kill them.


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The heater fuse on a 2000 Buick Century is located on the right side of the engine compartment, in a water tight box. It houses many of the major fuses for the vehicle's electrical system.

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I had the same problem with my 90 buick century, Replacing the temperature sensor did the trick, it is located above and behind the water pump.

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