How is the alternator removed on Audi 80?

On four-cylinder engines, the alternator is positioned on the left-hand side, above the timing cover, while on five-cylinder engines, it is found on the bottom left-hand side of the engine. Begin by disconnecting the battery negative lead. Next, loosen the alternator pivot and adjustment bolts, then swivel the alternator towards the engine; for five-cylinder engines, remove the plastic cover in front of the radiator and the splash cover from under the engine for better access. Slip the drivebelt off the alternator pulley and take note of the wiring cables at the rear of the alternator before disconnecting them, ensuring to release any cables from clips if necessary. Remove the pivot and adjustment bolts to withdraw the alternator from the engine, and on four-cylinder engines, the adjustment link may be unbolted from the cylinder head if desired, while also prising a plug from the timing cover if needed for access to the pivot bolt. If required, unbolt the mounting brackets and remove the rubber bushes on four-cylinder engines; when refitting the bracket on five-cylinder engines, ensure the short bolt is tightened first. Finally, refitting follows the reverse order of removal, making sure to adjust the drivebelt accordingly.

Genuine Audi 80 Alternator

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2 Alternators found

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Audi 80 Alternator Part Number: 068-903-017-PX
$408.96 MSRP: $526.00
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Product Specifications
- Replaces: 068-903-018-B, 068-903-018-BX
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1988-1990 Audi 80 | Base | 4 Cyl 2.0 L GAS
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Audi 80 Alternator Part Number: 034-903-017-BX
$515.01 MSRP: $665.00
You Save: $149.99 (23%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaces: 034-903-017-B
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1991-1992 Audi 80 | Base | 5 Cyl 2.3 L GAS

Audi 80 Alternator

The Alternator in Audi 80 converts engine movement into electric power that keeps the battery alive and all the lights and controls active during the drive. Its two cast aluminum shells clamp a stationary stator, a rotor mounted on the shaft, front and rear bearings, a belt-driven pulley, and a cooling fan to allow the engine power to drive the rotor within the stator windings and generate alternating current that is directly changed to direct current to power the vehicle circuits by Alternator diodes. Voltage should remain constant and the design schedule indicates there are definite changes in timelines; with older Audi models relying on an external or internal regulator in the Alternator casing to vary field current, newer Audi series allowing the powertrain control module to control this regulation by data feedback, eliminating the chance of under or overcharging. In the larger Alternator family, there have emerged in this line two styles of excitation, traditional field-coil excitation, in which a small current is drawn to create a magnetic field, and permanent-magnet excitation, also known as magnetos, which generate their own field and save battery draw, the main distinction between the two styles of excitation. All the Alternators, as well, are dependent upon air forced by the front fan to dissipate heat, contributing to the fact that Audi drivers do not have to worry about draining the battery over an extended distance and still have the Audi electrical network reliably functioning over the 80 line.

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Audi 80 Alternator Parts and Q&A

Alternator
034-903-017-BX
Q: How is the alternator removed on Audi 80?
A:
On four-cylinder engines, the alternator is positioned on the left-hand side, above the timing cover, while on five-cylinder engines, it is found on the bottom left-hand side of the engine. Begin by disconnecting the battery negative lead. Next, loosen the alternator pivot and adjustment bolts, then swivel the alternator towards the engine; for five-cylinder engines, remove the plastic cover in front of the radiator and the splash cover from under the engine for better access. Slip the drivebelt off the alternator pulley and take note of the wiring cables at the rear of the alternator before disconnecting them, ensuring to release any cables from clips if necessary. Remove the pivot and adjustment bolts to withdraw the alternator from the engine, and on four-cylinder engines, the adjustment link may be unbolted from the cylinder head if desired, while also prising a plug from the timing cover if needed for access to the pivot bolt. If required, unbolt the mounting brackets and remove the rubber bushes on four-cylinder engines; when refitting the bracket on five-cylinder engines, ensure the short bolt is tightened first. Finally, refitting follows the reverse order of removal, making sure to adjust the drivebelt accordingly.