How to change a V-ribbed belt tensioner pulley [AUTODOC TUTORIAL]

How to change serpentine belt tensioner pulley on a car – replacement tutorial
Things you may need:
a new tensioner pulley kit
a set of suitable tools
torque wrench
anaerobic sealant
universal spray cleaner and a wire brush
WD-40 spray
A jack, jack stands and wheel chocks may also be needed
Please note!
  • The tensioner pulley may be a part of the belt tensioner mechanism
  • Or be equipped with an integrated tensioner device
  • Reasons for replacing the tensioner pulley may include jamming or noises when starting or running the engine
  1. 1.
    How to change Tensioner Pulley - free PDF and video manuals
    In any case, the belt must be removed to replace the tensioner pulley
  2. 2.
    How to replace Tensioner pulley - step-by-step manuals and video guides
    In some cars you simply need to open the bonnet to access the tensioner pulley
  3. 3.
    Belt tensioner pulley replacement on your car: free workshop manuals
    In other cars you will need to remove a wheel and some car body parts
  4. 4.
    Changing Tensioner pulley by yourself
    On most vehicles with a transverse engine, access to the tensioner pulley is via the right front wheel arch
    Please note!
    Some vehicles are designed without a tensioner pulleyIn some cars, its function is performed by a movable alternator or power steering pumpA self-tensioning belt can also be used instead of tensioner pulley
  5. 5.
    How to remove Belt tensioner pulley - online easy-to-follow instructions
    Take a picture or sketch a belt routing diagram
  6. 6.
    How to replace Tensioner pulley: download PDF manuals and video instructions
    Loosen the serpentine belt. To do this, move the automatic tensioner aside or loosen the tensioning mechanism
  7. 7.
    How hard is it to do yourself: Belt tensioner pulley replacement - download illustrated guide
    Attach a suitable tool to the tensioner and move it aside
    The tool must be secured reliably to prevent injury
  8. 8.
    Need to know how to renew Tensioner Pulley? This free workshop manual will help you to do it yourself
    After loosening the belt, remove it from one of the pulleys
  9. 9.
    Changing of Tensioner pulley won't be an issue if you follow this illustrated step-by-step guide
    Return the tensioning mechanism to its original position
  10. 10.
    Belt tensioner pulley replacement: online guides and video tutorials
    Remove the belt from the other pulleys
  11. 11.
    Replacing Tensioner pulley on your car by yourself
    Use a lock pin if the design of the tensioner provides for this
  12. 12.
    Belt tensioner pulley DIY replacement workshop manual
    Check that the tensioner and idler pulleys can move freely and check the condition of the alternator one-way clutch, crankshaft damper pulley, and all other pulleys
    AUTODOC recommends:
    Replace these components if necessary
  13. 13.
    How to change Tensioner pulley on your car - tips and tricks
    Remove the tensioner pulley cover
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