What do the numbers on a fan belt mean?
What do the numbers on a fan belt mean?
Combine the letter and the numbers to understand what kind of fan belt you need. A belt that read “B44” is a fan belt with a “B” width that measures 44 inches long on the inside of the belt. An “A” belt is roughly equivalent to a “4L” belt, and they can be interchanged. The outside of a 4L fan belt is roughly two inches longer than the inside.
When do I need to replace my fan belt?
This belt is made of rubber, and powers everything from your vehicle’s water pump to the alternator. When this belt breaks, stretches or frays, it is necessary to replace it immediately to ensure your vehicle runs correctly. The first step in replacing a fan belt is knowing what size it is.
Where can I find a serpentine belt routing diagram?
Select the specific year and make of your vehicle. Take note of the Illustration number and then Scroll to the bottom of the page to find your Free Serpentine Belt Routing Diagram. What’s that squeal coming from under the hood?
What happens when a car fan belt breaks?
This belt is made of rubber, and powers everything from your vehicle’s water pump to the alternator. When this belt breaks, stretches or frays, it is necessary to replace it immediately to ensure your vehicle runs correctly.
Read the number that follows the letter. This number represents the length of the inside of the fan belt (as opposed to the number in the standard automotive belt, which represents the outside circumference). For example, if the number is 46, that means the inside circumference of the belt is 46 inches.
How much is a serpentine belt for a 2005 Ford Focus?
The average cost for a Ford Focus serpentine belt replacement is between $95 and $108. Labor costs are estimated between $49 and $61 while parts are priced at $47.
How do you read a belt number?
Automotive belts start with either 4L (12.5mm wide) or 3L (9.5mm). The number following it is the outside length of the belt in tenths of inches. The inside length of the belt is typically 2″ less for a 4L belt, and 1-1/2″ less for a 3L belt. An example would be 4L460, which would be 46″ long outside, 44″ inside.
