Most failing or worn-out timing belts give no warning whatsoever before they break. Signs of a bad timing belt: Going inside your engine: Through the spark plug hole, we are using a borescope to examine the top of a piston for signs of damage. The only way to avoid this situation is to replace your timing belt on time, every time. Repairing the damage that results from a broken timing belt can sometimes cost more than the vehicle is worth instantly rendering your vehicle almost worthless. This usually results in thousands of dollars of engine damage in the form of bent valves broken pistons etc. This is because most modern engines use an interference head design, where the pistons can actually contact the valves if the valve timing is not correct. Besides causing an inconvenient break-down, a broken timing belt can cause considerable damage to the engine. A broken timing belt is never a good situation one that we wouldn’t wish on any Airdrie driver.
What happens when a timing belt fails? Here’s an example of engine damage from a broken timing belt: one of the valves in this engine came into contact with a piston broke off and was pummeled into the cylinder head.Ī timing belt that is past its expiry date will eventually break.
Don’t have a manual? Give us a shout, and we’ll look up the recommended service interval for you. Your timing belt replacement interval will also be listed in the maintenance section of your owner’s manual. This means that the belt must be replaced at 100,000 km then at 200,000 km then 300,000 km, and so on. Most car manufacturers recommend a replacement interval of between 100,000 and 160,000 km. For this reason, a timing belt needs to be replaced based on mileage alone. Even when the timing belt is easy to access, a visual inspection often won’t reveal if a timing belt is ready to fail. Your timing belt is usually very difficult to inspect, as it’s located inside your engine, underneath the timing cover. When does a timing belt need to be replaced? Here’s why timing belts need to be replaced based on mileage: a failed belt will often look totally fine except where it broke! If your car is equipped with a timing belt, it is the single most important maintenance item on your vehicle. If this valve timing is not correct, the engine will perform poorly – or worse, may damage itself. Since it’s crucial that the valves open and close at the correct time, the crankshaft and camshaft are connected by a timing belt, or timing chain.
TIMING BELT SERIES
The camshaft uses a series of lobes to open and close the valves, which let air in and out of your engine. Both of these shafts spin, with the crankshaft being connected to the pistons rotating as the pistons move up and down. Most internal combustion engines utilize a similar design, with a crankshaft at the bottom, and a camshaft above it.
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