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How do you replace the alternator on a 1993 Buick Regal 3.1L?

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2015-07-15 20:07:23
2015-07-15 20:07:23

To give you the brief version, you will first need to disconnect the battery. Then you will locate the alternator. It is on the passenger side of the engine on the back of the engine. You will need to take the belt loose using a wrench to release the tension and then take it off. (Be sure to notice how it goes around the pulleys -- there is a diagram on the car that also shows this. Also, check the belt's condition before you put it back on as a new one is only about $25 and you don't won't this to fail on the road.) There are a couple of electrical connections - one unsnaps and the other is a large nut on the main bolt. It is kind of hard to get to these until you loosen the support bolts. There are about 4 main bolts that hold the alt on but I found that it was easier to go ahead and take the bracket loose as well. Some of the bolts are not easy to get to and it works best to have some assistance to help hold things and wiggle the alternatior out. Replace is the reverse of this. I got a lifetime warranty new alternator from Advance Auto for about $100 after exchanging my old one.

This is not a particularly difficult process but it does take some time. Also, you don't want to do this on a hot summer day when when the car is hot! BTW, I have 3 Regals and the only significant problems I have had with any of them was that on each one, I have had to replace the alternator and overhaul the trannies.

Take your time and good luck.

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