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How to change serpentine belt on AUDI A4 B8 Avant (8K5) – replacement guide
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Recommended replacement interval for the part category Serpentine belt : 90000 km
Important!
This replacement procedure can be used for:
AUDI A4 Avant (8K5, B8) 1.8 TFSI, AUDI A4 Avant (8K5, B8) 1.8 TFSI quattro, AUDI A4 Avant (8K5, B8) 1.8 TFSI, AUDI A4 Avant (8K5, B8) 2.0 TFSI, AUDI A4 Avant (8K5, B8) 1.8 TFSI, AUDI A4 Avant (8K5, B8) 2.0 TFSI, AUDI A4 Avant (8K5, B8) 2.0 TFSI quattro, AUDI A4 Avant (8K5, B8) 1.8 TFSI quattro, AUDI A4 Avant (8K5, B8) 2.0 TFSI flexible fuel, AUDI A4 Avant (8K5, B8) 2.0 TFSI flexible fuel quattro, AUDI A4 Avant (8K5, B8) 2.0 TFSI, AUDI A4 Avant (8K5, B8) 2.0 TFSI quattro … View more
The steps may slightly vary depending on the car design.
AUDI A4 Avant (8K5, B8) 1.8 TFSI, AUDI A4 Avant (8K5, B8) 1.8 TFSI quattro, AUDI A4 Avant (8K5, B8) 1.8 TFSI, AUDI A4 Avant (8K5, B8) 2.0 TFSI, AUDI A4 Avant (8K5, B8) 1.8 TFSI, AUDI A4 Avant (8K5, B8) 2.0 TFSI, AUDI A4 Avant (8K5, B8) 2.0 TFSI quattro, AUDI A4 Avant (8K5, B8) 1.8 TFSI quattro, AUDI A4 Avant (8K5, B8) 2.0 TFSI flexible fuel, AUDI A4 Avant (8K5, B8) 2.0 TFSI flexible fuel quattro, AUDI A4 Avant (8K5, B8) 2.0 TFSI, AUDI A4 Avant (8K5, B8) 2.0 TFSI quattro … View more
The steps may slightly vary depending on the car design.
This video shows the replacement procedure of a similar car part on another vehicle
All the parts you need to replace – Poly V-Belt for A4 Avant (8K5, B8) and other AUDI models
Alternative products

Combination spanner #16
Fender cover
Replacement: serpentine belt – AUDI A4 Avant (8K5, B8). AUTODOC recommends:
- All work should be done with the engine stopped.
Replacement: serpentine belt – AUDI A4 Avant (8K5, B8). Recommended sequence of steps:
- Step 1Open the bonnet.Step 2Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.Step 3Lift the car using a jack or place it over an inspection pit.Step 4
Pull aside the V-ribbed belt tensioner pulley. Use a combination spanner #16. - Step 5
Remove the V-ribbed belt.Replacement: serpentine belt – AUDI A4 Avant (8K5, B8). Tip:Check the condition of the tensioner pulley and idler pulley. Replace them if necessary. - Step 6
Return the tensioner pulley to its initial position. Use a combination spanner #16. - Step 7
Install the V-ribbed belt.Replacement: serpentine belt – AUDI A4 Avant (8K5, B8). AUTODOC experts recommend:Make sure that the V-ribbed belt fits all pulleys snugly. - Step 8
Pull aside the V-ribbed belt tensioner pulley. Use a combination spanner #16.
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