How do you change a pulley on a belt tensioner?
Place the automatic belt tensioner into a bench vise, being careful not to overtighten the clamps. Many tensioners are made of lightweight aluminum and can easily crack. Position the tensioner in the vise so you can access the pulley bolt. Turn the pulley bolt counterclockwise with a ratchet and a socket.
Can a tensioner be removed from an engine?
Automatic belt tensioners that are easily accessible may not be required to remove from the engine if you’re just replacing the pulley. Once the belt is removed from the pulley, you can remove the pulley bolt and washer and then remove the pulley to replace the new one.
How do you replace a pulley in an engine?
Turn the pulley bolt counterclockwise with a ratchet and a socket. Remove the bolt, the retaining washer and the pulley. Replace the pulley, washer and bolt and tighten to specified torque illustrated in the repair manual. Replace the tensioner in the engine and replace the bolt. Tighten to specified torque.
What should I do if my tensioner is not working?
Push down on the serpentine belt midway between the two uppermost pulleys. If the belt deflects more than one inch, the tensioner is not holding proper tension and you should replace it. Connect the serpentine belt tool to the tensioner.
What are the signs of a bad belt tensioner?
The most common symptom of a bad or failing drive belt tensioner is noise from the belts or tensioner. If the tensioner is loose the belts may squeak or squeal, especially when the engine is first started.
What noise does a bad tensioner pulley make?
Any noise that sounds like a squealing, whirling, or chirping might be a sign that the tensioner is weakening. The pulley bearings should be ruled out first because loose bearings can also cause such a noise.
How do I replace idler pulley?
How to Replace the Idler Pulley on a Ford Focus. Raise the hood and locate the belt tensioner. The tensioner is an arm with a pulley at the end of it which holds tension on the serpentine belt. Slip the belt tensioner tool into the tensioner and pull the tool to the side, releasing the tension from the belt.
How do I replace the serpentine belt?
How to Change a Serpentine Belt Step 1 – Get Out Your Cars Diagram Step 2 – Turn Off Your Car and Keep It on Idle Step 3 – Pop the Hood Step 4 – Note How the Belt Functions Step 5 – Relieve the Tensioner Pressure Step 6 – Slide the Belt Off the Pulley Step 7 – Remove the Motor Mount Step 8 – Replace the Belt Step 9 – Clean Up