Often, it's difficult to discover a problem with the timing belt until it's too late and has broken. However, you should check with your vehicle's manufacturer to determine when the replacement interval is scheduled and replace the belt within that time period. This article originally appeared on YourMechanic. Autoblog is partnering with YourMechanic to bring many of the repair and maintenance services you need right to you.
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If you'd be so kind as to allow our site, we promise to keep bringing you great content. Thanks for that. And thanks for reading Autoblog. Ticking noise coming from the engine The timing belt is attached by way of a series of pulleys to the engine's crank and cam shaft.
Engine won't turn over If the timing belt has broken inside, the engine will not be able to turn over or ignite. Engine misfires A worn out timing belt might also impact the engine's fire rate.
Oil leaking from in front of the motor It's also typical that the engine will leak motor oil from the timing belt cover. Looking for a timing belt kit? Check out dozens of of great options right here Buy Now Autoblog may receive a share from purchases made via links on this page. Pricing and availability is subject to change. Auto Repair Maintenance Ownership.
View More. Thank You Thanks for subscribing. Check your in-box to get started. Sign Up More Info. Though all that is going to be upwards of four figures. They get old and brittle, which is what causes them to snap. Check your timing belt, have a close look at it and look for cracks, wear or fraying of the fibres that form its construction. Go to front page. Timing belts — what happens when they break? You are here Home Timing belts — what happens when they break?
What does a timing belt do? Or in some cases, a chain. But as chains seldom break, they have no place here. What happens when a timing belt fails? Is that the end of the car then? Can a timing belt be fixed? The following signs mean you should replace it:. And if the belt breaks Stop the car. VAT No. What is the purpose of a cam belt? How often should you change your cam belt? Signs your cam belt is failing The following symptoms — especially when several occur at once, indicate that you should either inspect the belt yourself, or book a visit to your regular mechanic or service centre: Noise coming from the engine — any kind of high pitched squealing, grinding, rattling, chirping, hissing or ticking can indicate that the belt is starting to slip from its position.
The following signs mean you should replace it: Glazing — when the underside of the cam belt becomes shiny, it indicates that the rubber has hardened and lost flexibility.
Cracking along the belt — any signs of cracks or frays mean you need to look at an immediate replacement. Check the belt by pressing the end of your nail into the rubber — and if it leaves no mark then the rubber lacks the required flexibility.
Lost teeth — look for lost teeth on the belt, which may also appear on the ground underneath the engine. Engine failure — the ultimate worst case scenario. Broken pistons and valves — a completely broken belt means that the camshaft and the crankshaft will become desynchronised, resulting in the pistons coming into contact with the valves as they open, damaging the valves and pistons.
If you know the belt is gone — then this is a very good reason for turning off the engine immediately.
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