How does an automatic belt tensioner work on a belt?
The tensioner in the left picture is pushing down the accessory belt thanks to the strong spring of its arm. Use a spanner to rotate the tensioner in a manner to take it away of the belt. The belt can be seen loose in the middle picture. Use your finger to push the pin in which holds the arm away from the belt (right picture).
How do you remove a tensioner from an engine?
Use your finger to push the pin in which holds the arm away from the belt (right picture). You can now safely dismantle the tensioner from the engine. The tensioner is fixed to the engine by a couple of bolts.
What kind of belt tensioner does Citroen use?
These works concern an EP6 engine found on many Peugeot, Citroen and Mini vehicles. Belt tensioners with arm are very similar on other engines. Our pictorials are of informative nature and do illustrate works carried out by ourselves at our own premises for our own use and satisfaction.
How long does it take to replace belt tensioner on Mercedes Benz W203?
Replacing the belt tensioner on your Mercedes-Benz W203 is a relatively easy job. You should be able to do it in an hour and is a great starter project if you are just beginning to DIY or “Do It Yourself” on your car. Let the car cool so you don’t have to work around a hot engine.
When do you Know Your tensioner is going bad?
If your tensioner is going bad, you may notice squealing from your belt when the car is running, abnormal belt wear, or things like your air conditioner, power steering, or alternator not working properly. It’s a good idea to replace your tensioner and belt as soon as you see signs of wear if you have an older vehicle.
When do I need to replace my tensioner belt?
If you have a newer vehicle, your tensioner and belt needs to be replaced regularly according your vehicle manual. At O’Reilly Auto Parts, we have tensioner assemblies for most makes and models. Explore our options and find a tensioner assembly that can fit your vehicle.
How do you remove a tensioner on a Mercedes Benz?
To remove the tensioner you will need to lock it into the open position. Turn the tensioner wheel counter-clockwise and insert a retaining pin between the rotating part and the tensioner base.
When do you know you need to replace your belt tensioner?
If you notice that there is resistance, roughness, or noise every time you turn the pulley, then there’s a chance that the problem is in the pulley bearings. You might think of replacing only the pulley bearings in this case. Mechanics will tell you to replace the entire belt tensioner system.
What does the auto tensioner on a serpentine belt do?
The auto tensioner and its pulley is a spring-loaded device that keeps the serpentine belt tight. Its pulley is usually smooth while the other pulleys are grooved.
What’s the best way to remove a serpentine belt?
Its pulley is usually smooth while the other pulleys are grooved. The way to remove tension will be to pivot the tensioner using a tool (1) on the nut of the tensioner pulley, or (2) a special tool-lug outcropping from the tensioner or (3) in a square opening in the bracket of the tensioner pulley, cover or cap that protects the spring.
Use your finger to push the pin in which holds the arm away from the belt (right picture). You can now safely dismantle the tensioner from the engine. The tensioner is fixed to the engine by a couple of bolts.