How do you remove and replace the Alternator Brush and Voltage Regulator on Toyota MR2?

Locate the alternator attaching bolts, take out those bolts and set down the alternator in an efficient workstation. Removal of three nuts attached to the rear end cover, a nut and terminal insulator, and the rear end cover. Next, teh screws that secure the voltage regulator and the brush holder can be withdrawn after the removal of the rear end cover. Take off the brush holder and the regulator of the rear end frame. If only the regulator is involved, then fitting a new one, reassembling the alternator then fitting it on the engine should be done. If the brushes are being replaced, then, ensure that each brush is measured from the point where it is exposed to the outside and if the brush is shorter than the minimum exposed length all the brushes should be replaced. Make certain that each brush, slides easily in the brush holder. In fixing the brush holder, one has to press the brush on a small end of the screw driver to ensure that the shaft is free. Following this, secure the screws of the voltage regulator or the brush holder in the rear end frame. Fix the rear end cover and use three nut screws to tightly fit over the respective locations. Last of all, screws the terminal insulator and unto and again bolts the alternator onto its rightful place.

Genuine Toyota MR2 Voltage Regulator

Adjustable Voltage Regulator

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6 Voltage Regulators found

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Toyota MR2 Regulator Assy, Generator
Part Number: 27700-70030
$234.71 MSRP: $336.56
You Save: $101.85 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Bearing, Regulator, Voltage Regulator
- Replaces: 27700-63020, 27700-63021, 27700-72040
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1985-1993 Toyota MR2 | GT | 4 Cyl 1.6L, 4 Cyl 2.0L, 4 Cyl 2.2L | 3SGTE, 4AGELC, 5SFE; 3SGTE, 4AGELC, 4AGELC; AW11L-WCMQFA, 5SFE; AW11L-WCMQFA, AW11L-WCMQFK, AW11L-WCPQFA, AW11L-WCPQFK, AW11L-WJMQFA, AW11L-WJMQFK, AW11L-WJPQFA, SW20L-ACMZZA, SW20L-AJMZZA, SW21L-ACMZKA, SW21L-AJMZKA, SW21L-AJMZKK
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Toyota MR2 Regulator Assy, Generator
Part Number: 27700-74030
$234.99 MSRP: $336.96
You Save: $101.97 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Regulator, Voltage Regulator
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1992-1995 Toyota MR2 | 4 Cyl 2.0L, 4 Cyl 2.2L | 3SGTE, 5SFE; 3SGTE, 5SFE; SW20L-ACMZZA, SW20L-AJMZZA, SW20L-AJMZZK, SW21L-ACMZKA, SW21L-ACPZKA, SW21L-AJMZKA, SW21L-AJMZKK
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Toyota MR2 Regulator Assy, Generator
Part Number: 27700-74010
$172.04 MSRP: $244.59
You Save: $72.55 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Manufacturer Note: W(POWER STEERING)
- Replaced by: 27700-72090
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1990-1993 Toyota MR2 | 4 Cyl 2.0L, 4 Cyl 2.2L | 3SGTE, 5SFE; 3SGTE, 5SFE; SW20L-ACMZZA, SW20L-AJMZZA, SW20L-AJMZZK, SW21L-ACMZKA, SW21L-ACPZKA, SW21L-AJMZKA, SW21L-AJPZKA
View related parts
Toyota MR2 Regulator Assy, Generator
Part Number: 27700-63021
$234.71 MSRP: $336.56
You Save: $101.85 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 27700-70030
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1985-1989 Toyota MR2 | GT | 4 Cyl 1.6L | 4AGELC; 4AGELC; AW11L-WCMQFA, AW11L-WCMQFK, AW11L-WCPQFA, AW11L-WCPQFK, AW11L-WJMQFA, AW11L-WJMQFK, AW11L-WJPQFA
View related parts
Toyota MR2 Regulator Assy, Generator
Part Number: 27700-46030
$172.04 MSRP: $244.59
You Save: $72.55 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Manufacturer Note: TYPE A:REFER TO ILLUSTRATION
- Replaced by: 27700-72090
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1992-1993 Toyota MR2 | 4 Cyl 2.0L, 4 Cyl 2.2L | 3SGTE, 5SFE; 3SGTE, 5SFE; SW20L-ACMZZA, SW20L-AJMZZA, SW20L-AJMZZK, SW21L-ACMZKA, SW21L-ACPZKA, SW21L-AJMZKA, SW21L-AJMZKK, SW21L-AJPZKA
View related parts
Toyota MR2 Regulator Assy, Generator
Part Number: 27700-64021
Product Specifications
- Manufacturer Note: 12V 70A
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1987-1989 Toyota MR2 | Super Charger | 4 Cyl 1.6L | 4AGZE; 4AGZE; AW11L-WJMQRA, AW11L-WJMQRK, AW11L-WJPQRA

Toyota MR2 Voltage Regulator

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Toyota MR2 Voltage Regulator Parts Questions & Experts Answers

Regulator Assy, Generator
27700-63021
Q: How do you remove and replace the Alternator Brush and Voltage Regulator on Toyota MR2?
A: Locate the Alternator attaching bolts, take out those bolts and set down the alternator in an efficient workstation. Removal of three nuts attached to the rear end cover, a nut and terminal insulator, and the rear end cover. Next, teh screws that secure the voltage regulator and the brush holder can be withdrawn after the removal of the rear end cover. Take off the brush holder and the regulator of the rear end frame. If only the regulator is involved, then fitting a new one, reassembling the alternator then fitting it on the engine should be done. If the brushes are being replaced, then, ensure that each brush is measured from the point where it is exposed to the outside and if the brush is shorter than the minimum exposed length all the brushes should be replaced. Make certain that each brush, slides easily in the brush holder. In fixing the brush holder, one has to press the brush on a small end of the screw driver to ensure that the shaft is free. Following this, secure the screws of the voltage regulator or the brush holder in the rear end frame. Fix the rear end cover and use three nut screws to tightly fit over the respective locations. Last of all, screws the terminal insulator and unto and again bolts the alternator onto its rightful place.