alternator dead? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 11-28-2007, 12:42 PM   #1
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Default alternator dead?

My alternator started whining and when i put down my windows it takes all the battery power so im guessing its going to die soon but how long do i have?
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Old 11-28-2007, 12:47 PM   #2
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anyone? please? im starting a pizza delivery job tonight and need to know idf it will last the night
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Old 11-28-2007, 12:56 PM   #3
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You gotta give us more than 5 minutes to respond.

What is the year and model of your car? Please add that info to your signature within your Profile.
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Old 11-28-2007, 01:35 PM   #4
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1995 SE..i started the car again and it seems to be running okay but im getting a new alt. after work. anyone know how to change them? and about how long it takes to do
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Old 11-28-2007, 02:05 PM   #5
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Takes about 20 minutes, two bolts and the wires.
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Old 11-28-2007, 04:37 PM   #6
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there is def more than 2 bolts..i took the one of the back of the alternator then the bar that holds the alternator on..there is one that holds on a wire running from the battery to the alt. then one on the bottom left of the alt. whcih i have no idea how to get to?

can anyone help me out? and i unhooked the wire and put it back on and it says i have no battery power on my gauge in the car....ahhh help
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Old 11-28-2007, 05:12 PM   #7
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how do you get the bolt off the bottom of the alternator??!!!
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Old 11-28-2007, 06:27 PM   #8
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Do the 95'* have the S2?

If it is, you need to drop the belt. When you drop the belt, the tensioner will retract, and you'll be able to get to the bolt. 3 bolt'* on the front, one on the back, 1 wire plug and one hi current cable going back to the battery.
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Old 11-28-2007, 07:16 PM   #9
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Default gage

The important thing to check is where the amp gage is reading while running. It should be 14 volts just after starting it.
Alternators whine when there is a high current draw or when the rectifier bridge diode shorts out and sends current to ground. At this point you would have a burning smell from the unit.
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Old 11-28-2007, 08:45 PM   #10
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There is a 3rd bolt on the bottom of the alternator...

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