How to replace the Alternator Brush and Voltage Regulator in a Pontiac Firebird?

Remove the alternator and mark the front and rear frames for reassembly. Take out the four bolts connecting the frames and separate them. Detach the stator from the rectifier bridge and remove the diode trio. Remove the brush holder and the voltage regulator. For installation, reverse the steps. When reinstalling the brush holder, press the brushes in, use a straightened paper clip to hold them, and only remove the clip once the frames are bolted together.

Genuine Pontiac Firebird Voltage Regulator

Adjustable Voltage Regulator

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2 Voltage Regulators found

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Pontiac Firebird Regulator,Voltage
Part Number: 1116423
- Other Name: REGULATOR, Voltage Regulator; Regulator, Voltage Regulator
$20.38 MSRP: $38.46
You Save: $18.08 (48%)

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Fits the following Vehicles:
1982-1986 Pontiac Firebird | 2 DOOR | 4 Cyl 2.5L, 6 Cyl 2.8L, 8 Cyl 5.0L
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Pontiac Firebird Regulator,Generator
Part Number: 1116437
- Other Name: REGULATOR, Voltage Regulator; Regulator, Voltage Regulator
$50.48 MSRP: $126.32
You Save: $75.84 (61%)

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Fits the following Vehicles:
1993-1997 Pontiac Firebird | 2 DOOR, CONVERTIBLE | 8 Cyl 5.7L
1989 Pontiac Firebird | 2 DOOR | 6 Cyl 3.8L
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Pontiac Firebird Voltage Regulator Parts Questions & Answers

Regulator,Voltage
1116423
Q: How to replace the Alternator Brush and Voltage Regulator in a Pontiac Firebird?
A: Remove the Alternator and mark the front and rear frames for reassembly. Take out the four bolts connecting the frames and separate them. Detach the stator from the rectifier bridge and remove the diode trio. Remove the brush holder and the voltage regulator. For installation, reverse the steps. When reinstalling the brush holder, press the brushes in, use a straightened paper clip to hold them, and only remove the clip once the frames are bolted together.