Quick Answer: Do Timing Chains Need Replacing?

Do timing chains break?

Yes timing chains can break.

This is relatively rare.

Timing belts on interference engines may break and cause bent valves and significant damage.

Timing chains may stretch, normally giving you a noise signal to immediately repair the guides or replace the timing chain..

How much does it cost to replace timing chain?

The cost of replacing a timing belt or a timing chain is generally anywhere from $300 to $500. If you head to AutoZone right now you can find timing chains that cost you anywhere from $25 to $100 or more. There are also timing sets which include the gears you need that can cost anywhere from $15 to $250.

What does a broken timing chain sound like?

Noise. A broken timing chain may move around excessively and contact the timing chain cover, or jump around on the crank and camshaft gears causing rattling and knocking noise to come from the front of the engine.

Can I replace a timing chain myself?

You may find the need to replace your timing chain at some point; however with the right tools, a service manual and some mechanical know-how, you can do it yourself. Just be aware that this is a major job and can have serious consequences for your engine if done incorrectly.

What are the symptoms of a bad timing chain?

Symptoms of a Bad or Failing Timing ChainEngine misfires. There are two ways to achieve valve timing in a combustion engine. … Metal shavings are found in the oil. It’s recommended by all automotive manufacturers to change the engine oil and filter every 3,000 to 5,000 miles. … Engine rattles while idling.

How long does it take to replace timing chain?

between 4 and 6 hoursThe timing chain replacement cost is higher than many other auto repair jobs in large part because of how long it takes to put a new timing chain into place. Oftentimes, it’s going to take a mechanic between 4 and 6 hours to complete a timing chain replacement job from start to finish.

What happens if timing chain breaks while driving?

A broken timing chain will cause an engine to not start or fail while driving. If the belt is already broken, the engine won’t have enough compression to start. If it breaks or jumps while driving, the pistons will be damaged from contact with the valves. The valves themselves will bend and potentially ruin the engine.

Is a timing chain hard to replace?

In old-style pushrod engines, replacing the timing chain is a fairly easy task. No such luck if you have a modern front-wheel drive car with a transversely-mounted engine, as the space in the engine compartment could be very tight. It’s even more difficult in a V6 engine.

How long does a Mercedes timing chain last?

In all 200 and 220 CDI (common rail diesel injection) engine equipped Mercedes Benz models the timing chain have to be replaced before 250000 km (155342 miles) or it will break!

Can you drive without a timing chain?

With that said, the vehicle is likely not going to run at all without it. You should not attempt to start the vehicle because the chain or belt inside can cause damage to the components around it. The vehicle’s damage will need to be accessed when the timing belt is changed.

Which is better timing belt or chain?

Belts are quieter and because of their material, less expensive to produce. Timing chains are housed within the engine and receive lubrication from engine oil and can last a long time, while timing belts are located outside of the engine and tend to dry out and crack.