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Re: removing the serpentine belt
there is a diagram somewhere under the hood that gives you belt routing and where the tensioner is and which way it swings to take belt off. sometimes its a 15mm and the longer the wrench the easier it is to swing it.
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Drain the coolant. Slightly loosen the water pump pulley bolts, but don't remove. Remove the serpentine belt, by inserting a 3/8" ratchet in the square hole of the tensioner, and turn counter-clockwise until belt can be removed. Remove the water pump pulley bolts, remove pulley. Remove the water pump mounting bolts to the engine. Remove the water pump. Carefully clean off all old gasket material, use course sandpaper the clean the engine side surface. Install water pump with new gasket, install bolts, tighten to 18 ft/lbs. install the pulley and snug bolts. Reinstall belt and retighten pulley bolts. Fill with coolant, open bleeder valve until coolant runs out. Close bleeder, Install rad cap, start engine until thermostat opens to get all the air out of the system. Let engine cool, recheck coolant level, and check for leaks.
Hi. Here's the proceudere on how to replace the water pump of your 97 Chevy Cavalier.
•1 Drain the cooling system. Place a large oil drain container under the drain fitting located on the bottom of the radiator. Turn the drain fitting counterclockwise until fluid is draining from the radiator. Use a pair of pliers to turn the drain fitting if you cannot turn it by hand. Turn the fitting clockwise to tighten it after all of the fluid has drained from the radiator.
•2 Remove the cooling fan. Disconnect the electrical connection from the fan motor. Remove the bolts holding the fan assembly to the radiator support with a ratchet wrench. Pull the fan assembly up from the engine compartment and remove it.
•3 Remove the serpentine belt. Place a wrench over the belt tensioner and rotate the tensioner to release the tension on the belt. Pull the belt off the pulleys and remove it from the vehicle.
•4 Remove the water pump pulley. Place a screwdriver behind the pulley to lock it in place while removing the pulley mounting bolts with a ratchet wrench.
•5 Disconnect the coolant hoses running to the water pump.
•6 Remove the water pump mounting bolts with a ratchet wrench or wrench and remove the water pump from the vehicle.
•7 Clean the mating surfaces of the engine block and new water pump with a towel saturated with lacquer thinner.
•8 Apply a thin layer of RTV sealer to both sides of the new water pump gasket and place the gasket on the new water pump.
•9 Place the water pump against the engine block and finger tighten the water pump mounting bolts to hold the pump in place. Tighten the bolts with a torque wrench to 18 foot-pounds.
•10 Place the pulley on the water pump and install the water pump pulley mounting bolts with a ratchet wrench.
•11 Attach any hoses previously disconnected from the water pump.
•12 Install the serpentine belt. Route the belt over the pulleys according to the routing diagram in the engine compartment. Place a wrench over the belt tensioner and rotate the tensioner to tighten the tension on the belt.
•13 Install the cooling fan. Gently lower the cooling fan in position and install the mounting bolts attaching the fan assembly to the radiator support with a ratchet wrench. Attach the electrical connection to the fan motor.
•14 Refill the cooling system to the appropriate level, start the vehicle and check for leaks around the water pump.
Before servicing the vehicle, refer to the Precautions Section.
Drain the coolant from the engine.
Remove or disconnect the following:
Negative battery cableSerpentine drive belt guardLoosen the water pump pulley boltsSerpentine drive beltWater pump pulleyWater pumpWater pump gasket
Clean the gasket mounting surfaces.
Install or connect the following:
GasketWater pump. Torque the bolts to 89 inch lbs. (10 Nm).Water pump pulley and hand-tighten the bolts at this timeSerpentine drive beltWater pump pulley bolts to 18 ft. lbs. (25 Nm)Serpentine drive belt guard
Fill the cooling system.
Start the engine and check for leaks, repair if necessary.
Road test the vehicle and verify there is no air in the cooling system.
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
of this guide.
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.
Fig. 1: Location and mounting of the water pump on the 2.2L engine
Fig. 2: If the pulley turns when you try to loosen the
bolts, attach sockets and ratchets to two of the bolts, insert a prybar
to hold the pulley in place and loosen the bolts - 2.2L engine
Fig. 3: Remove the pulley from the water pump
Fig. 4: The water pump is retained by four bolts, remove them and...
Fig. 5: ...remove the water pump from the engine
Fig. 6: Thoroughly clean the gasket mating surfaces on the engine block as well as...
Fig. 7: ...the water pump (if it is being reused)
Fig. 8: Always use a quality new gasket like this one from Fel-Pro®
in. (3mm) wide bead of RTV sealant on the water pump sealing surface or
install a new gasket, on models so equipped. Install the pump and
tighten the retaining bolts to 18 ft. lbs. (25 Nm).
Install the water pump pulley, then tighten the mounting bolts to 22 ft. lbs. (30 Nm).
As outlined in
, install the alternator and bracket.
Install the drive belts or serpentine belt, as applicable.
Fill the cooling system to the proper level.
Connect the negative battery cable, then start the engine and check for leaks.
Hook the belt back into place as best as you can, then get a decent spanner (or two) on the damper and pull or push it (can't remember which way it needs to go off the top of my head) to give enough room to slip the belt into place on it.
with the serpentine belt still on,loosen the 3 bolts holding water pump pulley on.remove serpentine belt.remove the 3 bolts and take off the pulley.If you want,you can remove the alternator for easier access to pump.loosen the 4 bolts on pump and allow coolant/water to drain from engine.remove bolts ,remove water pump,clean gasket off engine block.install pump etc.in reverse order.install 50-50 mix of dex-cool coolant(coolant and water mix).run vehicle with radiator cap off to remove air bubbles from system.install radiator cap,top off recover bottle.
Depends on which engine if it's the 2,2 engine fairly easy but the 2.4 is a big job Timing Cover & Exhaust Manifold Removal Required. With the 2.2 locate water pump loosen the bolts on the pulley then remove the serpentine belt. Finish removing the pulley bolts now you can get at the water pump bolts. Use a container under the car to catch the antifreeze. Remove the water pump from the engine, installing new pump in reverse order to removal.