Water pump 1997 grand am pontica 3100 how to change a water pump

SOURCE: How to change a water pump on a 1999 Buick Century 3100?

the water pump on the 3.1 isnt to hard to change ...

1. Disconnect the negative battery cable.
2. Partially drain the cooling system into a suitable container.
3. Remove the drive belt guard.
4. Loosen the water pump pulley bolts before removing the drive belt. This should help keep the pulley from turning as the bolts are loosened.
5. Remove the drive belt. Remove the water pump pulley bolts and remove the pulley.
6. Remove the water pump bolts and separate the pump from the engine front cover.

SOURCE: Instructions on how to change a water pump on a

For this job yur best bet would be to get the Haynes repair guide from your local autoparts store. i am a tech and wheni did my water pump. i was glad as hell i had bought the manual as I was missing a fewe steps and wasnt able to figure out how the heck the pulley was to come out.

SOURCE: how do i refill the radiator properly after

Fill the radiater completly then sart the car and let it warm up.After it starts putting heat out of the defroster the top up the rad and let it run a few more minutes then shut it off.Wait about a minute,top up ther rad and put the cap back on,then restart and top up the overfvlow bottle.

SOURCE: When replacing water pump on

No. But if your that far into the engine it is very little more that you need to remove to replace it. If it has never been replaced and you have more than 50,000 miles I would recommend replacing it.

Jeremy W.

• 5332 Answers
• Posted on Mar 08, 2011

SOURCE: I would like to find something on the web that

This guy did a really nice job showing how to do this this.



After the new water pump is installed fill th cooling system. There may be two bleeder valves one for sure is on the pipe that comes out of the back of the water pump and there may be one on the T-stat housing where the upper hose attaches. Open both of those until antifreeze come out of them.

Start the engine. Top off coolant as necessary and periodically open the bleeder screws until coolant comes out. Let the engine idle until it has come up to operating temp and the fans come on. Put the radiator cap back on and your good to go.

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