Engine Timing Belts_ 5 Things  You Should Know
                     Engine Timing Belts:
5 Things 
You Should Know
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INTRODUCTION
Many people are aware that a damaged timing belt is bad news 
for a car's engine, but you may not be aware of much more. This 
simple component serves a crucial role and can spoil your day if it 
fails. We believe that learning more about timing belts will give 
you a greater appreciation for everything they do. Here are five 
things you should know about the car timing belt.
https://www.shibambelting.com/special-timing-belts-banded-belts/ 
1. The Function of a Timing Belt
To get a better understanding of what a timing belt performs, consider the combustion 
process of a gas engine. The intake valves in an engine's cylinders open to allow a 
combination of fuel and air into the combustion chamber. The valve closes and the piston 
moves up the cylinder to condense the fuel-air mixture. The mixture is ignited by a spark 
plug, and the combustion forces the piston back down. As the piston returns to the top of 
its stroke, an exhaust valve opens, letting waste gases be pushed out of the cylinder.
The pistons are connected to a crankshaft, which converts piston motion into rotational 
output. Camshafts are responsible for opening and closing the intake and exhaust valves. 
The timing belt ensures that the motion of the camshaft or camshafts is in sync with that 
of the crankshaft.
2. Why Is a Damaged Timing Belt So Unsafe?
Free-running or non-interference engines were used in older vehicles. The pistons and valves in 
these engines never share the same space in the cylinder. Most modern engines, however, are 
interference engines. These engines permit the pistons to condense, even more, resulting in 
more powerful and efficient engines. The trade-off is that if the valves were open and the 
pistons were fully extended, the valves and pistons would occupy the same space in the 
cylinders.
Because the crankshaft and camshafts are synchronized, this should not happen—but a 
damaged timing belt means that these two parts will no longer be synchronized. In a free-
running engine, this would result in reduced engine power and, eventually, engine shutdown. 
However, things are not the same in interference engines. The pistons are likely to move up and 
strike the open valves, causing significant damage to a variety of internal engine components.
3. Signs of a Failing Timing Belt
Unfortunately, there are usually no warning signs that a timing belt is about 
to fail. There may be some minor indications, such as a ticking noise coming 
from the engine. However, these symptoms are easy to overlook and difficult 
to correctly diagnose. A timing belt will frequently crack without warning. As 
a result, it's critical to replace your timing belt when your owner's manual 
recommends it. Otherwise, you're taking a huge risk.
4. The Cost of Timing Belt Replacement
The timing belt is a simple rubber belt, and the component itself isn't particularly expensive. 
However, if you call any place and ask for an estimate on replacing a timing belt, you will be 
quoted hundreds of dollars. Why is this the case? Changing a vehicle's timing belt is a time-
consuming and labor-intensive process. To replace the timing belt, technicians must 
disassemble a large portion of the engine, which takes a lot of time. Before removing the old 
belt, they will inspect the seals, pulleys, tensioners, and other components. Following that, 
they'll need to set the proper timing and test it to ensure the belt is working properly. 
Finally, the engine will be reassembled. This requires a lot of time and exceptional skill. As a 
result, timing belt replacements are among the more expensive services your car will 
require. However, it is still less expensive than rebuilding an engine.
5. Timing Belts Are Not Common on All Vehicles
If your owner's manual doesn't really specify when you should change 
your timing belt, your car may not have one at all. Instead, it could be 
outfitted with a timing chain. A timing chain, as the name implies, has 
the same function as a timing belt, but is made of metal rather than 
rubber. Timing chains, unlike timing belts, are unlikely to need 
replacement. They are, however, heavier and noisier than belts.
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