The belt tensioner is released, usually with a wrench or lever, to release the tension from the belt. With the tension off, the belt slides off the pulleys. All rotating components — that is the alternator, air conditioner compressor, etc. — are checked for smooth operation and no noise. If everything checks out, the new belt is slipped
step 1 :Removing the Serpentine Belt. 0:54. Insert the 3/8 inch drive ratchet into the tensioner. Turn the tensioner clockwise to loosen the belt. Pull the belt off by hand. Release the tensioner. step 2 :Removing the Belt Tensioner. 2:23. Remove the 15mm bolt from the tensioner.
At the 1:54 mark you can see the alternator. Since it is the 2.0L engine, it doesn't have the tensioner bracket that is on top of the alternator, with the long bolt, which is used to relieve tension and replace the belt on the 1.6. With visual inspection, and a review of the service manual, I see four pulleys: 1. Crankshaft, 2. Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/105/ad/serpentine-belt-tensionerDid you know that squealing belts or pulleys may actually be the resul The belt failure can damage all these other systems, raising your repair bill exponentially. Modern cars generally use a tensioner to keep your serpentine in place and eases the replacement procedure for most models. Replacing a bent tensioner or broken pulley at the same time as the belt is always recommended to extend the life of your car. How to replace the serpentine drive belt, idler pulley and tensioner 2003-2012 Ford F350.Here are some of the tools that jimthecarguy uses The new OEM tensioner is a different design than the old tensioner. The pulley is also smaller on the new tensioner. My car was squealing upon cold startup and I originally bought a new belt but the squeal was still present so I figured it was either the idler or tensioner pulley since both bearings were shot. When should you replace the serpentine belt tensioner. Let’s get this straight from the get-go, a serpentine belt tensioner doesn’t last the life of the vehicle. In fact, most start to show serious wear right around the 100K mile mark. You may think a worn tensioner just means your belt loses tension; you’d be wrong. It’s just the opposite. These belts have an elastic core that is designed to keep tension on the pulleys. Stretch belts are designed to stretch over one of the pulleys during installation, usually the crank or the largest pulley. Never use a screwdriver or other sharp object to install the belt because if the belt is cut or the surface or grooves of the pulleys are w0B9.
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    • how to tension a serpentine belt