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guide pulley for my car

Buy Deflection pulley for your car - Top quality for a top price
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Replace a Spare part Guide pulley – a defective one or if the limit of use has been already reached. Find out useful information about Guide pulley

Faults of guide roller

  • bearing failure;
  • mechanical damage to the roller surface.

Symptoms of the guide roller failure

  • hum and whistle when moving belt in a fixed roller;
  • polished surface of the belt;
  • noise in the belt drive area;
  • significant backlash;
  • increased vibration (for diesel engines);
  • visible external damage of the roller and the belt.

Causes of guide roller faults

  • ingress of sand, stones and other foreign objects between the roller and the belt;
  • increased friction of roller against the belt drive protective cover;
  • displacement of the belt due to improper roller installation;
  • mechanical damage to the outer ring or the guide roller sidewall;
  • incorrect belt tension;
  • backlash in the fixed roller bearing;
  • disregard of the manufacturer's recommendations on the part’s life.


You can determine the part failure by indirect external signs.There are some difficulties in identifying the fixed roller malfunctions. The performance of the failed item is not always accompanied by a preliminary characteristic whistle.

Even experienced motorists often neglect inspection and replacement. Therefore, we strongly recommend regular scheduled replacements of the fixed roller.

Replacing the guide roller

Make it a habit to replace the fixed roller each time replacing the belt. It is generally recommended to change belts every 60-90 thousand kilometers. Do not neglect this rule: the price of replacing the fixed roller in the end will be much lower than the cost of the engine repair in the case of a broken belt.

You can replace the fixed roller on your own or entrust it to specialists.

Guide pulley replacement - instructions, descriptions and repair

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