How to remove and install an Alternator Brush and Voltage Regulator on Toyota Solara?

Place the alternator on a clean bench. Remove the output terminal nut, insulator, rear cover, and brush holder. Detach the voltage regulator. Measure each brush's length, replace if below minimum. Ensure smooth brush movement. Reinstall the voltage regulator, brush holder, and rear cover. Secure the output terminal insulator with the nut. Reinstall the alternator.

Genuine Toyota Solara Voltage Regulator

Adjustable Voltage Regulator

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3 Voltage Regulators found

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Toyota Solara Generator Regulator Assembly
Part Number: 27700-20050
$238.02 MSRP: $341.31
You Save: $103.29 (31%)
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Product Specifications
- Other Name: Regulator Assy, Generator; Voltage Regulator
- Manufacturer Note: 12V 100A
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1999-2003 Toyota Solara | 4 Cyl 2.2L, 4 Cyl 2.4L, 6 Cyl 3.0L | 1MZFE, 2AZFE, 5SFE; ACV20L-GCMNKA, ACV20L-GCPNKA, ACV20L-GCPNKK, ACV20L-GKPNKA, MCV20L-GCMNKA, MCV20L-GCMNKK, MCV20L-GCPNKA, MCV20L-GCPNKK, MCV20L-GKPNKA, MCV20L-GKPNKK, SXV20L-GCMNKA, SXV20L-GCPNKA, SXV20L-GCPNKK, SXV20L-GKPNKA
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Toyota Solara Generator Regulator Assembly
Part Number: 27700-64130
$242.06 MSRP: $347.09
You Save: $105.03 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Regulator Assy, Generator; Voltage Regulator
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1999-2000 Toyota Solara | 4 Cyl 2.2L, 6 Cyl 3.0L | 1MZFE, 5SFE; MCV20L-GCMNKA, MCV20L-GCMNKK, MCV20L-GCPNKA, MCV20L-GCPNKK, MCV20L-GKPNKA, MCV20L-GKPNKK, SXV20L-GCMNKA, SXV20L-GCPNKA, SXV20L-GCPNKK, SXV20L-GKPNKA
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Toyota Solara Generator Regulator Assembly
Part Number: 27700-74040
$212.79 MSRP: $305.12
You Save: $92.33 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Regulator Assy, Generator; Voltage Regulator
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1999-2002 Toyota Solara | 4 Cyl 2.2L, 4 Cyl 2.4L, 6 Cyl 3.0L | 1MZFE, 2AZFE, 5SFE; ACV20L-GCMNKA, ACV20L-GCPNKA, ACV20L-GCPNKK, ACV20L-GKPNKA, MCV20L-GCMNKA, MCV20L-GCMNKK, MCV20L-GCPNKA, MCV20L-GCPNKK, MCV20L-GKPNKA, MCV20L-GKPNKK, SXV20L-GCMNKA, SXV20L-GCPNKA, SXV20L-GCPNKK, SXV20L-GKPNKA

Toyota Solara Voltage Regulator

Toyota Solara vehicles need the Voltage Regulator to manage alternator outputs between 13.5 and 14.5 volts for safety reasons. The device accomplishes this role through battery voltage observation combined with system need estimations which enable it to adjust rotor field current levels on the alternator. The regulator boosts the field current for battery charging needs yet reduces it after the battery reaches full charge to stop overcharging. Previous Solara versions featured mechanical Voltage Regulator that depended on coils and contact points which still produced performance issues because of their wear and eventual breakdowns. Alternators now use electronic, solid-state Toyota Voltage Regulator instead of mechanical ones because they function at a rate of approximately 7,000 cycles per second while mechanical Toyota Solara Voltage Regulator operate at 200 cycles. The voltage regulation system in contemporary vehicles combines built-in components of regulators within alternators or uses the powertrain control module (PCM) to control charging under different conditions including engine load and system temperatures.

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Toyota Solara Voltage Regulator Parts Questions & Experts Answers

Generator Regulator Assembly
27700-20050
Q: How to remove and install an Alternator Brush and Voltage Regulator on Toyota Solara?
A:
Place the Alternator on a clean bench. Remove the output terminal nut, insulator, rear cover, and brush holder. Detach the voltage regulator. Measure each brush's length, replace if below minimum. Ensure smooth brush movement. Reinstall the voltage regulator, brush holder, and rear cover. Secure the output terminal insulator with the nut. Reinstall the alternator.