Are there common issues with the window regulator, and how should one address faults in their operation on Audi 90?

Some Audi 80, 90, and Coupe models have electrically-operated windows as standard equipment, and others may have such as optional equipment, but only when the ignition is turned on. When there is a fault, it is advisable to first inspect the thermal cut-out (circuit breaker) as to whether there is a fault, and its position can be determined with the aid of wiring diagrams. The electric motors are connected to the window regulators and can be removed when necessary.

How to remove and refit the door trim panel and window regulator on Audi 90?

Remove the door trim panel, then mark the exact position of the carrier plate in relation to the door panel and unscrew the mounting bolts, two at the front and two at the rear. Unclip the inner door handle cable and remove the carrier plate. Extract the circlip, and remove the washer and pad securing the window support to the regulator. Disconnect the window support and block it in the raised position with a length of wood. Unclip the regulator cable, then unscrew the nuts or bolts and withdraw the regulator. If necessary, remove the window glass from the door. Refitting is a reversal of removal, but adjust the window stop so that the upper edge of the glass is in full contact with the weatherseal, ensuring the weatherseal lip is compressed by at least 0.15 mm (0.02 in), but not excessively. The window stop is located on the centre guide of the regulator.

Genuine Audi 90 Window Regulator

Electric Power Window Regulator

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6 Window Regulators found

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Audi 90 Window Regulator Part Number: 893-837-397-B
$114.24 MSRP: $160.00
You Save: $45.76 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Regulator
- Position: Left
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1993-1995, 1988-1991 Audi 90 | Base, CS, S, Sport | 4 Cyl 2.0 L GAS, 5 Cyl 2.3 L GAS, 6 Cyl 2.8 L GAS
View related parts
Audi 90 Window Regulator Part Number: 893-837-398-B
$114.24 MSRP: $160.00
You Save: $45.76 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Regulator
- Position: Right
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1993-1995, 1988-1991 Audi 90 | Base, CS, S, Sport | 4 Cyl 2.0 L GAS, 5 Cyl 2.3 L GAS, 6 Cyl 2.8 L GAS
View related parts
Audi 90 Window Regulator Part Number: 813-839-398-A
$325.58 MSRP: $456.00
You Save: $130.42 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lifter; Window Regulator
- Position: Right
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1993-1994 Audi 90 | CS, S | 6 Cyl 2.8 L GAS
View related parts
Audi 90 Window Regulator Part Number: 893-839-397-A
$439.11 MSRP: $615.00
You Save: $175.89 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lifter; Window Regulator
- Position: Left
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1993-1995, 1988-1991 Audi 90 | Base, CS, S, Sport | 4 Cyl 2.0 L GAS, 5 Cyl 2.3 L GAS, 6 Cyl 2.8 L GAS
View related parts
Audi 90 Window Regulator Part Number: 893-839-398-A
$491.95 MSRP: $689.00
You Save: $197.05 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lifter; Window Regulator
- Position: Right
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1993-1995, 1988-1991 Audi 90 | Base, CS, S, Sport | 4 Cyl 2.0 L GAS, 5 Cyl 2.3 L GAS, 6 Cyl 2.8 L GAS
View related parts
Audi 90 Window Regulator Part Number: 8A0-839-397
$491.95 MSRP: $689.00
You Save: $197.05 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lifter
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1993-1994 Audi 90 | CS, S | 6 Cyl 2.8 L GAS

Audi 90 Window Regulator

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Audi 90 Window Regulator Parts and Q&A

Window Regulator
893-837-397-B
Q: Are there common issues with the window regulator, and how should one address faults in their operation on Audi 90?
A:
Some Audi 80, 90, and Coupe models have electrically-operated windows as standard equipment, and others may have such as optional equipment, but only when the ignition is turned on. When there is a fault, it is advisable to first inspect the thermal cut-out (circuit breaker) as to whether there is a fault, and its position can be determined with the aid of wiring diagrams. The electric motors are connected to the window regulators and can be removed when necessary.
Window Regulator
813-839-398-A
Q: How to remove and refit the door trim panel and window regulator on Audi 90?
A:
Remove the door trim panel, then mark the exact position of the carrier plate in relation to the door panel and unscrew the mounting bolts, two at the front and two at the rear. Unclip the inner door handle cable and remove the carrier plate. Extract the circlip, and remove the washer and pad securing the window support to the regulator. Disconnect the window support and block it in the raised position with a length of wood. Unclip the regulator cable, then unscrew the nuts or bolts and withdraw the regulator. If necessary, remove the window glass from the door. Refitting is a reversal of removal, but adjust the window stop so that the upper edge of the glass is in full contact with the weatherseal, ensuring the weatherseal lip is compressed by at least 0.15 mm (0.02 in), but not excessively. The window stop is located on the centre guide of the regulator.