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What Happens When a Timing Chain Breaks While Driving

The timing chain is a critical component of the internal combustion engine.
Its function is to keep the camshaft and,
Crankshaft rotating together at the same speed.
This enables the valves of the engine to open and
Close at precisely the right times.

These are the valves responsible for allowing air and fuel to flow into the internal combustion chamber. As you probably know, the engine needs the proper amount of air
And fuel mixture for the ignition to be successful. That way, the proper amount of power
It can be generated to satisfy the demands of the vehicle.

Also, read – Timing Belt vs Timing Chain

If the timing chain were to break,
It will jeopardize the entire internal combustion process. This means you won’t be able to drive your vehicle anymore.

What to Expect

If you want to know what exactly will happen
When the timing chain breaks while driving,
It depends on whether you have an interference engine or a non-interference engine. Although they are both internal combustion engines,
The “interference” word refers to the timing configuration of the engine.

Also, read – Easy Ways To Replace Timing Belt At Home

No matter which type of engine you have,
A broken timing chain will cause your engine to immediately stop running and turn off.
If you’re driving, you’ll have to pull over quickly to the side of the road;
Before you lose all your momentum.

Also, read – How engine timing works

When you have an interference engine,
The stroke of the piston and valve consume the same area of the cylinder. The timing chain is what prevents them from coming together. However, if the timing chain breaks, the piston and valve will collide. The result will be a damaged cylinder head,
Valve, piston, cylinder, and/or camshaft.

These are very expensive items to repair or replace. You’d probably be better off either purchasing a new engine or trading in your car for a new one.

Also, read – How Variable Valve Timing Works, And How it Makes Your Engine Better

If you have a non-interference engine,
The result of a broken timing chain will not be as severe. It will simply cause your engine to turn off but that’s all. The valves, pistons, and other vital components of the engine will not be damaged.

But still, you don’t want to take the chance of being stranded somewhere because of this. That is why it is better to regularly maintain your timing chain and;
Make sure it is doing okay. If it looks like it is getting too worn out,
Then simply replace the timing chain with a new one. It is a lot cheaper to do that than having to deal with a bad engine.

credit –

Ekster EU

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