20. Changing belts: When and how to do it

The preventive maintenance of your vehicle is essential to ensure its safety and efficiency on the road. One of the most important parts of this maintenance is changing belts. Engine belts, whether timing or serpentine, are vital components that ensure the proper functioning of your vehicle. This chapter of our guide will teach you when and how to change your car's belts.

When to change the belts?

Engine belts have a specific lifespan and must be replaced at regular intervals to prevent engine damage. Most car manufacturers recommend changing the timing belt between 60,000 and 100,000 kilometers. However, this range may vary depending on your car model and driving conditions. It's always best to consult your vehicle's owner's manual for specific information.

As for the serpentine belt, also known as the accessory belt, it usually needs to be replaced between 60,000 and 90,000 kilometers. However, if you notice signs of wear such as cracking, fraying, or if the belt starts to rattle, it's time to replace it.

How to change the belts?

Changing engine belts is a complex job that requires technical knowledge and the right tools. Here are the basic steps for changing the timing belt:

1. Disconnect the battery: Before starting, always disconnect the battery from the vehicle to avoid electrical shock.

2. Remove Necessary Parts: To access the timing belt, you will need to remove various engine parts such as the serpentine belt, water pump, and alternator.

3. Position the engine: Before removing the timing belt, you will need to position the engine at top dead center (TDC). This ensures that the pistons and valves are in the correct position when the new belt is installed.

4. Remove the old timing belt: You can now remove the old timing belt. Be careful not to move the camshaft or crankshaft pulleys.

5. Install the new belt: Install the new timing belt, making sure it is correctly aligned with the timing marks on the engine.

6. Reinstall the removed parts: Now you can reinstall all the parts that were removed.

7. Check everything: Before starting the engine, check that everything has been installed correctly and that all tools have been removed from the engine compartment.

If you don't feel comfortable performing this task, it's always best to seek help from a professional. Changing the timing belt incorrectly can cause serious damage to your vehicle's engine.

In summary, proper maintenance of your car belts is crucial to the longevity of your vehicle. It is therefore important to regularly check the belts and replace them when necessary. Remember, preventative maintenance is always cheaper than repairing damage caused by excessive wear and tear or component failure.

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