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Video > How to Change a Serpentine Belt on a 1997-2003 Ford F-150 Truck and Expedition
How to Change a Serpentine Belt on a 1997-2003 Ford F-150 Truck and Expedition
1A Auto shows you how to repair, fix, change or replace a broken, cracked, snapped or cut serpentine belt on 1997-2003 Ford F-150 truck and Ford Expedition models. You will first learn how to remove your existing serpentine belt, and then install a new serpentine belt replacement.
8mm or 5/16 Wrench
1/2 inch Ratchet
Disconnect the negative battery cable using an 8mm or 5/16in wrench.
Connect the 1/2in ratchet to the belt tensioner. Slide the end of the large wrench onto the end of the ratchet for leverage. Pull or push the wrench to loosen the belt enough to remove it from the alternator. Slowly let the wrench and ratchet come back, do not just let go.
Remove the belt completely by unthreading it from the power steering and AC compressor. It may take some maneuvering until you are able to pull it up and out of the engine compartment. That's all there is to removing a serpentine belt.
When deciding whether it is time to change the serpentine belt, visually inspect it all the way around. Cracks on the inside ribbing are not uncommon, however cracks on the outside of the belt signal that it is time for a new one. To install the new serpentine belt, first become familiar with the routing diagram posted inside the engine compartment. This shows you how the belt should look when routed correctly.
Begin by making a loop and threading it down between the tensioner and the idler pulley toward the AC compressor. Get underneath the vehicle and pull the belt down and around the AC compressor.
Feed another loop down in front of the water pump, which has the fan on it, down towards the engine crankshaft. Get underneath the vehicle again and pull the loop down and around the crankshaft.
Refer to the diagram to see where the belt should be on the water pump and then feed it down towards the power steering pulley. Get underneath the vehicle and pull the belt down and around the power steering pulley.
You may find that as you are routing the belt it comes off of a previous placement. This repair can be an exercise in patience, just keep trying until you have the belt routed everywhere it needs to be except the alternator.
Once the belt is routed correctly, connect the 1/2 inch ratchet to the tensioner and slide the large wrench onto the end. Pull or push the wrench down so that you can pull the belt up onto the alternator. Check to make sure that the belt is on everything correctly. If it appears that the belt is not on correctly somewhere then loosen the tensioner and remove the belt from the alternator. Correct the routing where ever it needs it.
Reconnect the battery. Start the engine and listen for any belt related noises. If there are none, then you are finished with the serpentine belt installation.
That is how to change a serpentine belt that needs to be replaced on 1997-2003 Ford F-150 truck and Ford Expedition models. Thanks for watching! Please feel free to call us toll free 888-844-3393 with any questions or to order any of the parts shown in this video, or you can order your Ford Expedition serpentine belt online.