There is no set mileage to replace the belt. Inspect it for cracks and or frays. If you see cracks or it is frayed or worn then replace it. Also if it becomes stretched to the point it slips, replace it.
At 100,000 miles, 10 years, or after inspecting the belt you determine it needs replacing due to cracks, fraying, or stretching to the point it is loose.
At least 3.
One serpentine, and one "v" belt.
A Caterpillar diesel motor serpentine belt diagram can be obtained from most Caterpillar dealerships. The serpentine belt diagram can also be found at many truck parts stores.
Two, the cam belt and serpentine belt.
Depends on many factors. Inspect the belt for cracks & wear and replace it as necessary. It should last at least 100,000 miles, but it may not.
The serpentine belt tensioner is held in place by one bolt. The retaining bolt goes through the middle of the serpentine belt tensioner pulley.
One Serpentine Belt
The serpentine belt is a long belt on the front of the engine. The belt goes over a number of pulleys and powers many things such as the alternator and power steering all at once. The twisting and turning through all of the pulleys like a snake is how it came to be called a serpentine belt.
should have 1 big belt called a serpentine belt.
Yes, it is possible that a cracked serpentine belt will cause poor fuel economy. Many people will have significantly improved gas mileage after changing the belt.
Most manufacturers recommend replacing the timing belt every 70,000 miles.