How to replace the coolant reservoir and radiator on 2006 Audi A4?

In order to change the radiator, lift the vehicle and hold it in place. Take out the splash shield and empty the cooling system. Unscrew hoses, air ducts and sensors. Eliminate the power steering cooler and condenser. Unscrew the radiator, substituting any damaged components, in that order and then screw it back. Verify post-installation leakages.

Genuine 2006 Audi A4 Coolant Reservoir

Coolant Tank Reservoir

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2 Coolant Reservoirs found

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2006 Audi A4 Reservoir Part Number: 8E0-121-403
$76.15 MSRP: $106.65
You Save: $30.50 (29%)
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Product Specifications
- Other Name: Tank
- Item Weight: 2.60 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 8E0-121-403
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 2006 Audi A4 Submodels:
- Base, Cabriolet | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 3.2 L GAS
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2006 Audi A4 Reservoir Part Number: 8E0-121-403-A
$59.28 MSRP: $81.65
You Save: $22.37 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Tank
- Item Weight: 2.40 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 8E0-121-403-A
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 2006 Audi A4 Submodels:
- Base, Cabriolet | 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS

2006 Audi A4 Coolant Reservoir Parts and Q&A

Q: How to replace the coolant reservoir and radiator on 2006 Audi A4?
A: In order to change the radiator, lift the vehicle and hold it in place. Take out the splash shield and empty the cooling system. Unscrew hoses, air ducts and sensors. Eliminate the power steering cooler and condenser. Unscrew the radiator, substituting any damaged components, in that order and then screw it back. Verify post-installation leakages.