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Re: bad water pump on a 2001 cavalier
Then you can do this one yourself....here is the info:
REMOVAL & INSTALLATION CAUTION When draining the coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.
Disconnect the negative battery cable.
Properly drain the cooling system into an approved container.
Remove all accessory drive belts or the serpentine belt.
Remove the alternator and bracket. For details, please refer to Section 2 of this manual.
Unscrew the water pump pulley mounting bolts and then pull off the pulley.
Unfasten the mounting bolts, then remove the water pump.
Using a putty knife, clean the gasket mounting surfaces.
Location and mounting of the water pump on the 2.2L engine :
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First, check to make sure your cooling fan is working, if not , could be fan motor , relay or temp sensor. if it is, it may be a clogged radiator?? start with these things first, they are the easest ...there are a lot more things it could be... that will be more involved (harder) to get into...Hope this helps you ?? Good Luck
Stick with me on this
1.Put the car on jack stands
2.Remove the exhuast manifold, Do not rotate the flex cuopling more then 4 degrees od damage will occur.
3.Diconnect the coolant inlet pipe from the water pump outlet hose, Disconnect from the engine, disconnect it from the thermostate housing and remove it.
4.lower the car back down of the jack stands.
5.Detach the brack booster hose.
6.Remove the timing chain cover and the tensioner.
7.Remove the heater outletpiper from the water pump.
8.Remove the water pump cover bolts.
9.Remove the water pump retianer nuts.
Remove the old gasket and clean.
10.On bench. Install the waterpump and cover but lreave the bolts finger tight.
11.Install back in car, leave water pump bolts looseto allow for positioning.
12.Install water pump cover to engine, tighten by hand.
13.Lubricate oringand install metal outlet pipe back into pump, hand tighten.
14a.Tighten the water pump to timing chain nuts
14b.Tighten the water pump cover to water pump housing bolts.
14c.Tighten water pump cover to engine block bolts.
14d.Tighten the radiator outlet pipe to water pump.
15.Install timing chain tensioner.
16.Install exhuast manifold.
17.Install exhuast pipe.
18. Fill it up and bleed the system.
Normally, the fan will not spin at the same RPM as the engine. This is
the purpose of the fan clutch. On the fan clutch sits a little thermal
spring that engages the clutch to spin the fan at the same rpm as the
motor when the motor gets hotter than normal.
Being able to hold onto the fan while the motor is running, is normal (not recommended, but normal).
You can test the clutch by heating it and then trying to spin the fan
while the motor is off. If it is still easy to spin, you could have a
bad fan clutch, or you didn't heat it enough. It is kind of a crappy
way to test.
You not having cooling issues leads me to guess that your clutch is
alright. But I don't know what type of climate you live it, nor do I
know in what condition your clutch is.
They can actually be difficult to replace. Easy theory, but actually
doing the job may be harder than you think. They are threaded onto the
water pump pulley (just one big threaded stud). To remove you need to
either be really crafty, or you need a wrench designed to hold the
pulley in place while you loosen the clutch and fan assembly. No, the
pulley drive belt is not enough to keep the pulley from turning (it
will either slip or you will turn the crank of the motor).
Usually they are on there pretty tight! When I replaced my water pump
on my truck, I could not remove the fand and clutch from the water pump
while in the truck (I had to remove my radiator shroud and remove it
all in one piece) then I had to weld the old water pump impeller to the
casting to keep it from spinning then broke it loose with a 2ft breaker
Once you get the old one off, remove the fan and bolt it to your new clutch unit. Then thread it on the water pump.
I would check the thermostat first; its the easiest to get to and usually the first to go. Unfortunatly if it is bad it usually takes the pump with it when it goes : ( My Fathers car is going through the same thing. But his pump is bad as well.