What is the location of the final drive oil filler/level plug and How to check and maintain the oil level on Differential for Petrol engines on Audi 100?

The automatic transmission has the final drive oil filler/level plug on the left-hand side of it, behind the inner joint of the left-hand driveshaft. First put on the handbrake and then lift the front of the vehicle on axle stands. Take off the engine undershield and make the vehicle level so that there is accurate check-up. The filler/level plug should be unscrewed and removed to ensure that the oil level is at the bottom lip of the filler hole, and that it is at the required level, by adding the required amount of oil using the filler/level hole. Should the level be in need of constant topping up, check on leakages and fix them. Lastly, re-install the plug, screw it then screw it to the required torque and drop the vehicle to the ground.

Genuine Audi 100 Differential

Front Differential

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4 Differentials found

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Audi 100 Differential Case Part Number: 017-525-053-F
$920.47 MSRP: $1190.00
You Save: $269.53 (23%)
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Product Specifications
- Other Name: Housing; Differential, Differential Case
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1989-1994 Audi 100 | Base, CS, E, S | 5 Cyl 2.3 L GAS, 6 Cyl 2.8 L GAS
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Audi 100 Differential Part Number: 017-500-044-C
$3391.50 MSRP: $3799.99
You Save: $408.49 (11%)
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Product Specifications
- Other Name: Rear Axle
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1992-1994 Audi 100 | Base, CS, S | 6 Cyl 2.8 L GAS
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Audi 100 Differential Part Number: 017-500-044-D
$3391.50 MSRP: $3799.99
You Save: $408.49 (11%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Rear Axle
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1992-1994 Audi 100 | Base, CS, S | 6 Cyl 2.8 L GAS
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Audi 100 Differential Part Number: 017-500-044-J
$3391.50 MSRP: $3799.99
You Save: $408.49 (11%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Rear Axle; Differential
- Replaces: 017-500-040-D
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1989-1990 Audi 100 | Base, E | 5 Cyl 2.3 L GAS

Audi 100 Differential

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Audi 100 Differential Parts and Q&A

Differential
017-500-044-C
Q: What is the location of the final drive oil filler/level plug and How to check and maintain the oil level on Differential for Petrol engines on Audi 100?
A:
The automatic transmission has the final drive oil filler/level plug on the left-hand side of it, behind the inner joint of the left-hand driveshaft. First put on the handbrake and then lift the front of the vehicle on axle stands. Take off the engine undershield and make the vehicle level so that there is accurate check-up. The filler/level plug should be unscrewed and removed to ensure that the oil level is at the bottom lip of the filler hole, and that it is at the required level, by adding the required amount of oil using the filler/level hole. Should the level be in need of constant topping up, check on leakages and fix them. Lastly, re-install the plug, screw it then screw it to the required torque and drop the vehicle to the ground.