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Final generation of the Pontiac Grand Am.

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How do I change the water pump?

Grand am SE model. 2.4 L

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6 solutions

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The best and easiest way to find out is through Autozone.com

"Disconnect the negative battery cable.

Drain the cooling system.

Remove or disconnect the following:

WARNING

Do not rotate the flex coupling more than 4 degrees or damage may occur.

Oxygen Sensor (O 2 S) electrical connector

Exhaust manifold heat shield

Coolant inlet housing bolt through the exhaust manifold

Exhaust manifold brace-to-manifold bolt

Manifold-to-exhaust pipe studs

Coolant inlet housing-to-water pump cover bolt

Exhaust pipe from the exhaust manifold by pulling it downward

Coolant inlet pipe from the oil pan

Brake vacuum pipe from the camshaft housing

Exhaust manifold from the cylinder head

Heater hose from the heater outlet pipe

Timing chain cover and tensioner

Water pump cover-to-engine bolts

3 water pump-to-timing chain housing nuts

Water pump and cover assembly

Water pump cover from the pump

To install:

Install or connect the following:

Water pump with a new gasket to the cover and tighten the bolts finger-tight

Water pump cover-to-engine bolts and tighten finger-tight

Water pump-to-timing chain housing nuts and tighten finger-tight

Coolant inlet pipe into the water pump cover and tighten the bolts finger-tight

With all gaps closed, torque the bolts, in the following sequence, to the proper values:

Pump assembly-to-chain housing nuts to 19 ft. lbs. (26 Nm).

Pump cover-to-pump assembly to 124 inch lbs. (14 Nm).

Water pump cover-to-engine bolts to 19 ft. lbs. (26 Nm).

Coolant inlet pipe assembly-to-water pump cover bolts to 124 inch lbs. (14 Nm).

Install or connect the following:

Exhaust manifold to the cylinder head. Torque the nuts to 11 ft. lbs. (15 Nm).

Brake vacuum pipe to the camshaft housing

Coolant inlet pipe to the oil pan. Torque the nuts to 19 ft. lbs. (25 Nm).

Timing chain tensioner. Torque the bolts to 89 inch lbs. (10 Nm.).

Front cover. Torque the bolts to 106 inch lbs. (12 Nm).

Exhaust pipe to the manifold. Torque the bolts to 26 ft. lbs. (35 Nm).

Exhaust manifold brace to the manifold. Torque the bolt to 41 ft. lbs. (56 Nm) and the nuts to 19 ft. lbs. (26 Nm).

Exhaust manifold to the exhaust pipe. Torque the nuts to 26 ft. lbs. (35 Nm).

Heater hose to the heater pipe

Exhaust manifold heat shield. Torque the bolts to 124 inch lbs. (14 Nm).

O 2 S electrical connector

Negative battery cable

Refill the cooling system.

Start the engine and check for leaks."

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Commentaires:

Do you know what size torque wrench you need?

par

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If you go to you tube they probably have a video that will show you

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I was figured out about leaking water from somewhere over belt and leak out long time and I wonder it's water pump or manifold but I check it drip under the pulley round belt.

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I remember reading that there is a weep hole at the top of the water pump and if the bearing goes out, wears out, fails, etc, that coolant will indeed leak out. My car is a daily driver, I need her to get me to work...She's got over 101,000 miles and I haven't ever had to replace the original water pump. It's got to be getting old by now....and sinse I should get a new water pump, why not replace the timing chain while I'm at it? But I hate to think about how far you have to break it all down to get to where I want to go...I think I feel a bit lightheaded!

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To much work just change the water pump.

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yes

The water pump is a pain because u have to take apart the motor pretty much ....unbolt motor mount ugh!!

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shane sera éternellement reconnaissant.
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