I'm not sure how experienced you are but there is a tensioner pulley that you may be able to tell is not the alternator, water pump, A/C Pump, or main pulley. If you put a socket od the nut that is in the tensioner pulley and TIGHTEN it, the entire pulley will move towards the front of the engine. When that happens the belt becomes loose and you can remove it. You'll have to take off a couple of small covers if I remember right, but they are easy. When you put thew new belt on make sure it is going the correct direction. If you don't have a diagram of the belt as it's installed you should draw yourself one before you take it off so you will know what to run the belt around, over or under---peace:)
In the belt book at most autoparts stores have a diagram section for serpentine belt routing.
You have to release your tensioners in order to release your serpentine belt. When you put the belt back on you have to follow the diagram on the hood of your car.
The Haynes Repair Manuals would have a diagram of the serpentine belt on a 94 Mercury Cougar XR7. You can find the manual at your local library, book store, or most auto parts stores.
routing for serpentine belt 2003 mercury sable
I use a flat bar to push up on the tensioner so I can get the belt loosened to take it off. Standing in front of your car with the hood raised, look to either side of the top of the radiator, there is usually a diagram showing how to replace the belt.
Place a wrench on the pulley that pulls the belt tight. Its not the A/c, alternater, water pump, or fan but the other one. This should make the belt loose then pull it off. Replace with a new belt. Ensure that the belt is in the correct sequence as it was before.
How do you change a serpentine belt on 2006 Envoy
with a 1/2" rachet or breaker bar placed in the square whole on the tensioner pully, you push (from passenger side to drivers) which will release the presure on the belt. Might want to draw a "map" of how the belt goes cause it ain't obvious when its off the car.
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How Do I change the serpentine belt on a 1989 Cadillac Eldorado ?
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the 4g63t does not have a serpentine belt, it has drive beltS