When to replace the Poly V-Belt on your AUDI A4
Recommended replacement interval for the part category Serpentine belt : 90000 km
Important!
This replacement procedure can be used for:
AUDI A4 Avant (8ED, B7) 2.0 TFSI, AUDI A4 Avant (8ED, B7) 2.0 TFSI quattro, AUDI A4 Avant (8ED, B7) 2.0 TFSI, AUDI A4 Avant (8ED, B7) 2.0 TFSI quattro, AUDI A4 Avant (8ED, B7) 2.0 TFSI, AUDI A4 Avant (8ED, B7) 1.8 T quattro, AUDI A4 Avant (8ED, B7) 1.8 T, AUDI A4 Avant (8ED, B7) 2.0, AUDI A4 Avant (8ED, B7) 1.6 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

Tools
Replacement: serpentine belt – AUDI A4 Avant (8ED, B7). Tools you'll need:
Combination spanner #17
Fender cover
Replacement: serpentine belt – AUDI A4 Avant (8ED, B7). Tip from AUTODOC experts:
  • All work should be done with the engine stopped.
Replacement: serpentine belt – AUDI A4 Avant (8ED, B7). Take the following steps:
  1. Step 1
    Open the bonnet.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    How to change Poly V-Belt on Audi A4 B7 Avant 2004 - free PDF and video manuals
    Remove the engine cover.
    AUTODOC recommends:
    Replacement: serpentine belt – AUDI A4 Avant (8ED, B7). Do not use excessive force when removing the part as this may damage it.
  2. Step 4
    How to replace AUDI A4 Avant (8ED, B7) 2.0 TDI 2005 Poly V-Belt - step-by-step manuals and video guides
    Pull aside the V-ribbed belt tensioner pulley. Use a combination spanner #17.
  3. Step 5
    Audi A4 B7 Avant 2.0 TDI 16V 2006 Poly V-Belt replacement: free workshop manuals
    Remove the V-ribbed belt.
    Replacement: serpentine belt – AUDI A4 Avant (8ED, B7). AUTODOC recommends:
    Check the condition of the tensioner pulley and idler pulley. Replace them if necessary.
  4. Step 6
    Return the tensioner pulley to its initial position. Use a combination spanner #17.
    Step 7
    Changing Poly V-Belt on AUDI A4 Avant (8ED, B7) 2.0 TDI quattro 2007 by yourself
    Install the V-ribbed belt.
    Replacement: serpentine belt – AUDI A4 Avant (8ED, B7). Tip:
    Make sure that the V-ribbed belt fits all pulleys snugly.
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DIY AUDI A4 Avant (8ED, B7) Poly V-Belt replacement - online guide
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