How to renew the poly-vee drive belt and adjust its tension on 2017 Audi A3?

The poly-vee drive belt drives the alternator and air conditioning compressor, and automatically regulates its tension. In order to refuel it, you need to lift the vehicle, pull off the engine cover and strip the roadwheel and access panel. Make sure that you mark and refit the drive belt properly, release the tensioner and resecure the belt and reassemble.

Genuine 2017 Audi A3 Drive Belt

Serpentine Belt

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2 Drive Belts found

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2017 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 2017 Audi A3 Submodels:
- Premium, Premium Plus, Prestige, Titanium | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
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2017 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 2017 Audi A3 Submodels:
- Premium, Premium Plus, Prestige, Titanium | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS

2017 Audi A3 Drive Belt Parts and Q&A

Q: How to renew the poly-vee drive belt and adjust its tension on 2017 Audi A3?
A: The poly-vee drive belt drives the alternator and air conditioning compressor, and automatically regulates its tension. In order to refuel it, you need to lift the vehicle, pull off the engine cover and strip the roadwheel and access panel. Make sure that you mark and refit the drive belt properly, release the tensioner and resecure the belt and reassemble.