How to service and repair the alternator on 2003 Toyota Sienna?

In order to service and repair the alternator, disassemble it by loosening the rear end cover, brush holder and the voltage regulator. Disassemble the pulley and the rectifier holder. To reassemble, fit the rotor and rectifier end frame, using nuts. Install the voltage regulator, brush holder and rear end cover, making sure that the rotor turns easily.

OEM 2003 Toyota Sienna Alternator

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2003 Toyota Sienna Alternator
Part Number: 27060-20090-84
$246.13 MSRP: $349.27
You Save: $103.14 (30%)
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Product Specifications
- Other Name: Reman Alternator W/R
- Replaces: 27060-20080, 27060-20090
- Item Weight: 15.80 Pounds
- Item Dimensions: 9.2 x 7.1 x 8.4 inches
- Condition: New
- SKU: 27060-20090-84
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2003 Toyota Sienna Submodels:
- CE, LE, XLE | 6 Cyl 3.0 L GAS

2003 Toyota Sienna Alternator

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2003 Toyota Sienna Alternator Parts Q&A

Q: How to service and repair the alternator on 2003 Toyota Sienna?
A: In order to service and repair the alternator, disassemble it by loosening the rear end cover, brush holder and the voltage regulator. Disassemble the pulley and the rectifier holder. To reassemble, fit the rotor and rectifier end frame, using nuts. Install the voltage regulator, brush holder and rear end cover, making sure that the rotor turns easily.

Related 2003 Toyota Sienna Parts

Alternate Year Models

2002 Toyota Sienna Alternator 2004 Toyota Sienna Alternator