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How do i know if my 2002 ford taurus needs a new alternator

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If you have an autozone in your area that works great take it to them they will check your battery and charging system free. If you do not, then get a multimeter put the multimeter on DC under 20 volts and put the black lead on the negative side of the battery and the red lead on the positive side of the battery. Start the vehicle and turn on all accesories including lights, A/C, radio etc..check reading on multimeter should be 13.0 volts or higher if not replace alternator.

Posted on Oct 10, 2010

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Start the car remove the positive battery cable from the battery if the car stays running then the alt is working

Posted on Oct 10, 2010


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I have a Ford taurus, 2002. How can I tell if it has an over head cam or overhead valve? They asked me when i tried to order a new alternator

Below is a picture of the late OHV Ford Vulcan engine used in 90% of this year of Taurus. Note the valve cover design

Jan 05, 2017 | 2002 Ford Taurus

1 Answer

How do I wire a alternator for a 2000 Ford taurus

should have a large guage wire from back of alternator to post on battery. then there is a connector that needs to be plugged in. if the wiring connector is gone, you will need to buy a new connector for the alternator and wire it. best to buy chilton manual to find wiring diagram to know which wire goes to what terminal

Oct 22, 2014 | 2000 Ford Taurus

1 Answer

2002 Ford Taurus.New Alternator,new battery. Alternator still wont charge

Have you checked the voltage coming out of the alternator with engine running? It should be 14-14.7. Maybe a faulty gauge.

Jan 14, 2012 | Cars & Trucks

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I have a 2002 ford taurus station wagon and the battery is not charging. We changed the battery twice and still not charging.

You need to have your alternator checked.... A good sign is if you start your car and take the pos. battery cable loose and the car dies chances are your alternator is bad...

Oct 30, 2011 | 2002 Ford Taurus

1 Answer

How to chg alternator on 2002 ford taurus 24v dohc 3.0

ctionsThings You'll Need
  • Flywheel holding tool
  • New alternator
  • Socket wrench set
  • Torque wrench
    • 1Determine which alternator your Ford Taurus will need. You'll want to be sure the new alternator is compatible with your Taurus's engine. Models made from 1986 to 1991 have a 2.5 L HSC, 3.0 L Vulcan or 3.8 L engine. The 2.5 L engine was dropped for 1992 to 1995 models, and post-1995 models will have a 3.0 L engine.
    • 2Disconnect the negative battery cable with a socket wrench. Release the tension on the accessory drive belt so that you can remove the drive belt from the pulley.
    • 3Take off the mounting bolt on the right side of the alternator with a socket wrench and remove the bracket for the power steering hose. Remove the mounting bolts on top of the alternator, the front passenger wheel and tire assembly and the front fender splash shield. Remove the alternator splash shield with a socket wrench and take off the inspection cover for the torque converter.
    • 4Mount a tool to hold the flywheel so you can remove the crankshaft pulley bolt and crankshaft pulley. Lower the alternator so you can unplug its electrical connections. Disconnect the crankshaft position sensor and Oxygen sensor connector. Remove the lower alternator mounting bolt and B+ connector nut to remove the alternator.
    • 5Install the new alternator assembly by reversing the above procedure. Use a torque wrench to tighten the B+ connector nut to 71 in. lbs. and the lower alternator bolt to 18 foot pounds. Torque the crankshaft pulley bolt to 74. foot pounds, the upper alternator bolts to 18 foot pounds and the nut for the power steering hose bracket to 13 foot pounds.

Read more: How to Replace the Alternator in a Ford Taurus '

Oct 01, 2011 | 2002 Ford Taurus

2 Answers

At night battery light comes on then i loose lights then car cuts off

Sounds to me that it's 'new alternator' time for your vehicle.

The battery light is directly connected to the circuitry of the alternator and when it goes on indicates that the alternator is not providing enough voltage to supply the car's ignition system with electricity and the battery is discharging to fill the gap.

Replace the alternator, in this case.

Jan 25, 2011 | 2002 Ford Taurus

1 Answer

Diagram for 2002 ford taurus alternator belt

This is for the 2002 2 valve Taurus.

Jul 12, 2010 | 2002 Ford Taurus

3 Answers

The alternator failed on my daughters 2002 ford taurus, I replaced it and when I did the charging light went out but after a few seconds it came back on. I checked the voltage output with a meter and had...

Yes....very possible especially if you did not get a new one...remanufactured ones are not guaranteed "new"....but they have new parts. Swap it again.

Buick Century had the same problem...I went through two...failed bearings and busted two belts in 3 weeks.

Jul 12, 2009 | 2002 Ford Taurus

2 Answers

Need to know how to put the belt on a 3.0 ford taurus motor 1997

Use a ratchet to untension the tensioner pulley. I believe its the one between the alternator and power steering pump. Its the smaller pulley! Give it a try!2ad0829.jpg

Feb 27, 2009 | 1997 Ford Taurus

1 Answer

Re: 2002 Ford Taurus

You won't, These kinds of things don't exist online for free. A Haynes or Chilton manual is what you need and will cost around $20 from the local car parts store such as NAPA, Checker, AutoZone, ect.

Let me know if you need anything else

Jun 14, 2008 | 2002 Ford Taurus

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