How to remove and reinstall the timing belt tensioner, idler pulleys, crankshaft sprocket, camshaft sprocket, and camshaft hub for Diesel engines on 2006 Audi A3?

Removing the timing belt will require removal of the timing belt, unscrewing of the tensioner nut and removal of the tensioner. Re-Install by ensuring that they are installed correctly and taut. In the case of idler pulleys, loosen the securing bolt, unscrew the timing belt and re-fit. Follow same procedure with crankshaft and camshaft sprockets with proper orientation and tightening.

Genuine 2006 Audi A3 Belt Tensioner

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2006 Audi A3 Serpentine Tensioner Part Number: 06F-903-315
$109.47 MSRP: $153.31
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Product Specifications
- Other Name: Tensioner; Belt Tensioner
- Item Weight: 2.40 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 06F-903-315
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 2006 Audi A3 Submodels:
- Base | 4 Cyl 2.0 L GAS
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2006 Audi A3 Tensioner Pulley Part Number: 06D-109-243-C
$173.73 MSRP: $243.31
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Product Specifications
- Other Name: Tensioner
- Replaces: 06D-109-243-B
- Item Weight: 0.90 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 06D-109-243-C
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
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Fits the following 2006 Audi A3 Submodels:
- Base | 4 Cyl 2.0 L GAS
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2006 Audi A3 Chain Tensioner Part Number: 06F-109-217-A
$198.72 MSRP: $278.31
You Save: $79.59 (29%)
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Product Specifications
- Other Name: Tensioner
- Item Weight: 1.40 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 06F-109-217-A
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 2006 Audi A3 Submodels:
- Base | 4 Cyl 2.0 L GAS

2006 Audi A3 Belt Tensioner Parts and Q&A

Q: How to remove and reinstall the timing belt tensioner, idler pulleys, crankshaft sprocket, camshaft sprocket, and camshaft hub for Diesel engines on 2006 Audi A3?
A: Removing the timing belt will require removal of the timing belt, unscrewing of the tensioner nut and removal of the tensioner. Re-Install by ensuring that they are installed correctly and taut. In the case of idler pulleys, loosen the securing bolt, unscrew the timing belt and re-fit. Follow same procedure with crankshaft and camshaft sprockets with proper orientation and tightening.