How do you replace the water pump on a 1999 Chevy Malibu V6?

On a v 6 motor the water pump is located just above the air comperssor with a diagram of the belt route take the 4 outside pulley bolts loose first then take off serpentine belt it makes it easier to hold the pulley then 5 bolts holding the water pump Answer 1. Take timing cover off. 2.

Take motor mount off. 3. Take harmonic balancer off.4.

Take water pump hosing off.(7 bolts) 5. Take timing chain techner off.6. Take three nuts off water pump, pull water pump out and replace sounds like the above answer was confused with a chrystler product...you shouldn't listen to people like this.........they do not know about the simplicity of gm products...and who puts 7 bolts on a coolant hose..PLEASE!

There are only a few bolts, no need to undo hoses, just pop belt off (let dangle) and unbolt the water pump,after draining coolant to a suitable level, replace pump and gasket (with sealant) and reverse dissassembly (new pump does not come with pulley, so be shure to swap it out to the new pump) Actually, sounds like the above answer was confused with a 1999 Malibu w/ the 2.4, where the water pump is a (roughly) 7 hour job I just changed one of these pumps on a 3.1 v6 last week. It's realy quite simple. After you loosen the belt and remove the water pump pulley ( it's the top front pulley ) You will see the water pump mounting screws behind the pulley, remove these 5 screws and the pump comes right off.

One important thing to know is to remove small brass bleed screw where top radiator hose hooks to motor while your refilling system with coolant, then put the bleed screw back in after coolant squirts out the bleed hole.

If its a 6 cylinder, the water pump is very easy its closest to the front passanger side. Remove the pulley and theres a few 10mm bolts remove them ,remove the water pump and clean the area and reinstall the new pump. Its a 20 minute job remember to drain your antifreeze other wise it gets a little messy!

One should remove the belt first by releasing the tension from the tensioner pully The trick is to remove the four bolts holding the pulley in place. There is a special tool. However, you can hold one bolt while lossing another.

Then use two of the loose bolts as leverage for the last bolt.

Until you remove the cooling fan shroud you probably can't even see the w/pump. First, disconnect the air intake from the air cleaner. Then remove the air cleaner housing from the shroud.

The shr0oud is easily removed by undoing the 2 or 3 screws that are down near the bottom. After you get all the plastic out of the way, it shud be pretty clear sailing. Slacken the tension from the serpentine belt tensioner and remove the belt.

Now you have to drain the coolant, remove the w/p hoses and the pump Havn't done it yet on my '98 but have had to replace the alternator, and the foreplay is the same. Good Luck! MCP.

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