How to inspect the auxiliary drive belt for damage or wear for Diesel engines on 2015 Audi A3?

Apply the handbrake, then jack up the front of the vehicle and support it on axle stands. Using a socket on the crankshaft pulley bolt, turn the engine slowly clockwise to examine the full length of the drive belt. Look for cracks, splitting, and fraying on the surface of the belt; also check for signs of glazing and separation of the belt plies. If damage or wear is visible, or if there are traces of oil or grease, the belt should be renewed.

Genuine 2015 Audi A3 Drive Belt

Serpentine Belt

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3 Drive Belts found

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2015 Audi A3 Serpentine Belt Part Number: 04L-260-849-AB
$49.11 MSRP: $67.65
You Save: $18.54 (28%)
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Product Specifications
- Other Name: Ribbedbelt; Serpentine Belt
- Replaces: 04L-260-849-C
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 04L-260-849-AB
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 2015 Audi A3 Submodels:
- TDI Premium, TDI Premium Plus, TDI Prestige | 4 Cyl 2.0 L DIESEL
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2015 Audi A3 Serpentine Belt Part Number: 06L-903-137-A
$30.74 MSRP: $40.99
You Save: $10.25 (26%)
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Product Specifications
- Other Name: Ribbed Belt
- Item Weight: 1.00 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 06L-903-137-A
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 2015 Audi A3 Submodels:
- Premium, Premium Plus, Prestige, Titanium | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
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2015 Audi A3 Water Pump Belt Part Number: 06K-121-605-C
$32.61 MSRP: $43.48
You Save: $10.87 (25%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Tooth Belt; Belt, Drive Belt, Water Pump Belt
- Replaces: 06K-121-605
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 06K-121-605-C
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 2015 Audi A3 Submodels:
- Premium, Premium Plus, Prestige, Titanium | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS

2015 Audi A3 Drive Belt Parts and Q&A

Q: How to inspect the auxiliary drive belt for damage or wear for Diesel engines on 2015 Audi A3?
A: Apply the handbrake, then jack up the front of the vehicle and support it on axle stands. Using a socket on the crankshaft pulley bolt, turn the engine slowly clockwise to examine the full length of the drive belt. Look for cracks, splitting, and fraying on the surface of the belt; also check for signs of glazing and separation of the belt plies. If damage or wear is visible, or if there are traces of oil or grease, the belt should be renewed.