How do you change the serpentine belt for a 2005 Pontiac Sunfire?

Answer 1

In order to change the serpentine belt on a 2005 Pontiac sunfire you must first locate the idler pulley. You can do this buy finding the pulley that is attached to a steel arm about 6 inches long. These engines are transverse mounted meaning that you may have a difficult time locating this pulley if you do not know where it is or what it looks like. However if you can recognize the idler pulley you will need a long wrench or breaker bar. I believe the correct size socket or wrench for the pulley is a 15mm. If you are using a wrench position the wrench on the bolt so that the wrench is leaning as far to the front of the car as possible because you will need to push or pull it quite a ways towards the rear of the car to loosen the tension on the belt. Once you have accomplished this you can simply slide the belt off of the most readily accessible pulley and release the idler pulley. After removing the old belt be careful to route the new belt correctly. Incorrectly routing a belt could lead to severe problems. After routing the new belt around all other pulleys, pull the idler pulley back into position and work the belt onto it. This may be difficult as the belt will more than likely have a seemingly tighter fit than the old one. This is because the old one has been stretched out over time.