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Is a 1999 Mazda Protege 1.8 liter engine an interference meaning if the timing belt breaks will pistons hit valves?

Yes, the 1999 Mazda Protege with the 1.8 liter engine is an interference engine. This means that if the timing belt breaks, the pistons will collide with the valves, causing severe damage to the engine.

Here's why this is important:

* Timing belt failure: Timing belts are made of rubber and wear out over time. If a timing belt breaks, the valves will no longer be synchronized with the pistons, leading to a collision.

* Engine damage: This collision can bend or break valves, damage the pistons and cylinder head, and cause other internal engine damage.

* Expensive repair: Repairing an interference engine after a timing belt failure is often very expensive and may even require a complete engine replacement.

To prevent this issue:

* Regular maintenance: It's crucial to replace the timing belt according to the manufacturer's recommended schedule, typically around 60,000 to 100,000 miles.

* Check for wear: Inspect the timing belt for cracks, fraying, or excessive wear.

* Water pump inspection: The water pump is often driven by the timing belt, so it should be inspected and replaced when the timing belt is replaced.

By taking these precautions, you can minimize the risk of a timing belt failure and costly engine damage in your 1999 Mazda Protege.