How to replace Alternator Brush and Voltage Regulator on Chevrolet C1500?

The procedure for replacing parts in early-model SI type alternators is as follows, First, remove the alternator from the vehicle. Then, scribe or paint marks on the front and rear end frame housings to aid in reassembly. Next, remove the four through-bolts holding the end frames together and separate them. Remove the bolts holding the stator to the rear end frame and detach the stator. Remove the nuts attaching the diode trio to the rectifier bridge and remove the trio. Remove the screws attaching the resistor, Voltage Regulator, and brush holder to the end frame, and detach the brush holder. Remove the brushes from the brush holder by slipping off the brush retainer and remove the springs. To reinstall, start by installing the brushes in the brush holder, starting with the brush closest to the end frame. Use a paper clip to hold the brushes in place while completing reassembly. The paper clip should not be removed until the end frames are bolted together.

Genuine Chevrolet C1500 Alternator Brush

Alternator Brushes

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Chevrolet C1500 Brush,Generator
Part Number: 1989702
Product Specifications
- Other Name: BRUSH KIT; Brush, Brush & Holder, Brush Set
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1999 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L
View related parts
Chevrolet C1500 Brush Kit,Generator
Part Number: 10490180
Product Specifications
- Other Name: BRUSH, Generator Brush
- Replaces: 10474290
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993-1995 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 8 Cyl 5.7L

Chevrolet C1500 Alternator Brush

The Alternator Brush on a Chevrolet C1500 charges the battery by carrying current from the regulator to the spinning rotor. The Alternator Brush applied on all Chevrolet trucks is made of conductive carbon. It sits in the rear housing against the slip rings. Constant spring tension keeps it in contact. The rotor rotates thousands of times per minute, and this spring tension ensures a constant electrical path. The belt-driven rotor, which rotates in the stator windings, generates AC in the alternator. The brush-fed field current creates the magnetic field for AC generation. Internal diodes convert the generated AC to DC for the battery and components. Early versions of C1500 applied a simple pair of replaceable Alternator Brush sticks, coupled with an external or internal voltage regulator that allowed the owners to renew the Alternator Brush without the need of replacing other parts. In later C1500 models, the voltage regulator and Alternator Brush are integrated into a single unit, which is controlled by the Powertrain Control Module. This allows for easier installation but means that one assembly must be changed when the brush material finally wears below spec. Irrespective of the style, a worn Alternator Brush can result in dimming lights, weak starts, and eventual battery drain. Therefore, a timely replacement restores reliable charging and extends the life of your alternator on any Chevrolet generation.

Each OEM Chevrolet C1500 Alternator Brush we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Chevrolet C1500 Alternator Brush Parts Questions & Experts Answers

Brush,Generator
1989702
Q: How to replace Alternator Brush and Voltage Regulator on Chevrolet C1500?
A:
The procedure for replacing parts in early-model SI type Alternators is as follows, First, remove the alternator from the vehicle. Then, scribe or paint marks on the front and rear end frame housings to aid in reassembly. Next, remove the four through-bolts holding the end frames together and separate them. Remove the bolts holding the stator to the rear end frame and detach the stator. Remove the nuts attaching the diode trio to the rectifier bridge and remove the trio. Remove the screws attaching the resistor, Voltage Regulator, and brush holder to the end frame, and detach the brush holder. Remove the brushes from the brush holder by slipping off the brush retainer and remove the springs. To reinstall, start by installing the brushes in the brush holder, starting with the brush closest to the end frame. Use a paper clip to hold the brushes in place while completing reassembly. The paper clip should not be removed until the end frames are bolted together.