The serpentine belt on the 2000 Ford Focus is one complete belt that is held on by the serpentine belt tensioner. The serpentine belt travels around all of the drive pulleys on the front of the engine. When the engine is running, the serpentine belt controls all of the drive pulleys at one time. Ford recommends checking the serpentine belt for cracks inside of the belt at least every 5,000 to 6,000 miles.
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Things you need
- 3/8-inch drive breaker bar
- New serpentine belt
Open the bonnet and look on top of the plastic guard that is on top of the fan shroud for the serpentine-belt routing diagram. The diagram will be near the hood latch. If you do not see the serpentine-belt routing diagram, take a piece of paper and a pen and draw out the routing direction of the old belt.
Look for the serpentine-belt tensioner between the alternator and the crankshaft pulley. The serpentine-belt tensioner will have a 3/8-inch square hole in the end of the spring-loaded arm. Use this square hole to rotate the tensioner.
Slide the 3/8-inch drive breaker bar into the 3/8-inch square hole in the end of the tensioner. Turn the tensioner clockwise to loosen the tension off the serpentine belt.
Slide the serpentine belt off the tensioner pulley with your other hand. Finish removing the serpentine belt from the other pulleys and pull the belt out of the engine compartment.
Slide the new serpentine belt into the front of the engine. Route the new belt around the crankshaft pulley first. The crankshaft pulley on the 2000 Ford Focus is the big pulley on the bottom of the engine.
Wrap the belt around the remaining pulleys. Leave the alternator pulley as the last pulley to route the serpentine belt around.
Slide the 3/8-inch drive breaker bar back into the square end of the tensioner. Turn the tensioner clockwise again and slide the new belt around the alternator pulley with your free hand. Release the tensioner.
Look over the belt to ensure that the belt is inside of each pulley. Then crank the engine to make sure that the belt is going to stay seated inside of each pulley. Turn the engine off. Job complete.
Tips and warnings
- You can also use a 3/8-inch drive ratchet to rotate the tensioner. The 3/8-inch drive breaker bar gives you the leverage needed to make it easier to rotate the tensioner.
- Always wear safety glasses when working inside of the engine compartment.
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