How to carry out replacement: Poly V-Belt 2.5 TDI VW T4
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Change VW T4 2.4 D Poly V-Belt yourself – manuals and video tutorials

How to change serpentine belt on VW Transporter T4 Van (70A, 70H, 7DA, 7DH) – replacement guide

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When to replace the Poly V-Belt on your VW TRANSPORTER
Recommended replacement interval for the part category Serpentine belt : 30000 km
Important!
This replacement procedure can be used for:
VW Transporter IV Van (70A, 70H, 7DA, 7DH) 2.0 … 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 Transporter IV Van (70A, 70H, 7DA, 7DH) and other VW models
Alternative products
How to change Serpentine belt on VW T4 2.5 TDI – step-by-step instructions for straightforward car repair Serpentine belt
Tools
Replacement: serpentine belt – VW TRANSPORTER IV Box (70XA). List of the tools you'll need:
Torque wrench
Combination spanner #16
Wheel impact socket #17
Fender cover
Wheel chock
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Replacement: serpentine belt – VW TRANSPORTER IV Box (70XA). AUTODOC experts recommend:
  • All work should be done with the engine stopped.
Carry out replacement in the following order:
  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
    Secure the wheels with chocks.
    Step 4
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
    Step 5
    Lift the car using a jack or place it over an inspection pit.
    Step 6
    Unscrew the wheel bolts.
    AUTODOC recommends:
    Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. VW TRANSPORTER IV Box (70XA)
    Step 7
    Remove the wheel.
    Step 8
    How to change Poly V-Belt on VW T4 1990 - free PDF and video manuals
    Pull aside the V-ribbed belt tensioner pulley. Use a combination spanner #16.
  2. Step 9
    How to replace VW Transporter IV Van (70A, 70H, 7DA, 7DH) 2.5 TDI 1991 Poly V-Belt - step-by-step manuals and video guides
    Remove the V-ribbed belt.
  3. Step 10
    Return the tensioner pulley to its initial position. Use a combination spanner #16.
    Replacement: serpentine belt – VW TRANSPORTER IV Box (70XA). Professionals recommend:
    Check the condition of the tensioner pulley and idler pulley. Replace them if necessary.
    Step 11
    Pull aside the V-ribbed belt tensioner pulley. Use a combination spanner #16.
    Step 12
    VW T4 1.9 TD 1992 Poly V-Belt replacement: free workshop manuals
    Install the V-ribbed belt.
    Replacement: serpentine belt – VW TRANSPORTER IV Box (70XA). Tip:
    Make sure that the V-ribbed belt fits all pulleys snugly.
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