How to remove and inspect the alternator and its components on 1991 Audi 100?

Remove the alternator and place it on a clean surface with the pulley down. Remove the screws, lift the plastic cover, and take out the brush holder/regulator module. Check the brush contacts against specifications; renew if worn. Inspect the slip rings for excessive wear. Reassemble the alternator and refit it.

Genuine 1991 Audi 100 Alternator

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1991 Audi 100 Alternator Part Number: 034-903-017-BX
$515.01 MSRP: $665.00
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Product Specifications
- Replaces: 034-903-017-B
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 034-903-017-BX
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 1991 Audi 100 Submodels:
- Base, E | 5 Cyl 2.3 L GAS

1991 Audi 100 Alternator Parts and Q&A

Q: How to remove and inspect the alternator and its components on 1991 Audi 100?
A: Remove the alternator and place it on a clean surface with the pulley down. Remove the screws, lift the plastic cover, and take out the brush holder/regulator module. Check the brush contacts against specifications; renew if worn. Inspect the slip rings for excessive wear. Reassemble the alternator and refit it.