I have a 1976 chevy corvette stingray recently I put on a new water pump and fan pulley but the cooling fan vibrates I also instal a new fan some years ago, dont know if it was aftermarket I cant remember. Thanks Jeff.
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You have an alternating problem..I assume on a 76 model you have an internal regulator...if you have no voltage meter then charge your battery and start the var then pull positive battery terminal...if car dies,alternator is bad and needs replacing.If it stays running your at least putting out some voltage but might not be enough...most parts stores(Auto Zone,ect)will do a free voltage check(on or off vehicle)
Mary...when you say "wants to start" I'm not sure if it turns over but won't start(sounds like lack of fuel or timing problem)or it won't turn over fast enough to start(again sounds like alternating problem and for a bit been running car off battery with no alternator till battery too low to turn engine over)...and what the heck is "starter fluid"???? No such thing.
1Place a drain pan underneath the radiator. When the engine is cool, drain the cooling system from the radiator into the pan.
2Remove the fan shroud, the cooling fan, the accessory drive belt and the water pump pulley with the bolts.
3Disconnect the coolant bypass hose and the lower radiator hose.
4Loosen and remove the bolts attaching the water pump and remove the pump from the engine.
5Clean all the mounting surfaces to the water pump.
6Install the new pump, tightening the bolts to 89 inch pounds (20 to 28 Nm).
7Reattach and install all components in reverse order from removal. Tighten the water pump pulley bolts to 18 foot pounds (25 Nm).
8Refill the cooling system. Start the car and check for leaks when the engine reaches normal operating temperature.
5.0L Explorer Engines
9Disconnect the negative battery cable and place a drain pan underneath the radiator. When the engine is cool, drain the cooling system from the radiator into the pan.
10Remove the fan shroud, the cooling fan, the accessory drive belt and the water pump pulley with the bolts.
11Take out the accessory drive belt. Disconnect and remove the heater hose and the bypass hose from the pump.
12Remove the brackets to the engine control sensor wiring. Move the harness out of the way.
13Loosen and remove the bolts to the water pump pulley and the water pump and remove the pulley.
14Pull the water pump out and away from the front cover. Once the water pump is out of the way, disconnect the lower radiator hose. Then, take the water pump out of the engine.
15Clean the front cover to the water pump and all the mounting surfaces. Put some adhesive gasket sealer on both sides of a brand new gasket and put it on the pump.
16Reattach the lower radiator hose to the pump and reattach the pump, tightening the bolts to 15 to 21 foot pounds (20 to 28 Nm).
17Reattach and reinstall all components in reverse order to their removal. Reattach the negative battery cable and refill the cooling system. Start the car and check for leaks when the engine reaches normal operating temperature.
U have an electrical issue. If water pump was failing then how in god's creation could the two fans cool the engine down? Check out the circuitry that controls the normal fan operation and you will take care of the issue. Till you find the problem just hot wire the fan motor with an on/off switch.
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.
If I understand, the key will not rotate to all of the normal positions? If this is true, then I would guess that the trani didn't fully return to the park position please verify, You can check the ignition switch(the one that is half way down the steering column) for defects. Is there any binding, does the rotate freely? Thank you; good luck.
Hello senior, whenever the coolant system is opened up there's a possibility you could get air in your system, only way to get it out is by using the bleeder valve, check the coolant temperature sensor it may not be working properly, it tell's the cooling fan when to kick on and off, the condition of the drive belt is also another factor, along with the tensioner and tensioner pulley. it sounds like a problem with the water pump, the cooling fan, or air in your cooling system, to get a good inspection of the water pump fin's you have to remove it.