Is there a problem with the timing chain on the Mercedes A140?

I heard that the early A140 had a timing chain tensioner problem so if you have one consider replacing the tensioner it’s a straight forward job although you will find it easier if you remove the air filter housing .Replacement unit and two bolts bear in mind the unit is sprung loaded.

When to go to the Mechanic about a bad timing chain?

If the belt is jumping because it’s gotten loose, it can also flail around and damage other parts of the engine. If your engine won’t start or starts driving rough, indicating it may be on its way to failing, contact a certified mechanic for inspection and repairs. 4. Check Engine Light is on

Is the timing chain the same as the timing belt?

Since the inception of the internal combustion engine, one constant has remained – all of them have a timing chain or timing belt. Most higher-displacement engines have a timing chain as opposed to a timing belt.

Can a worn out timing chain cause an oil leak?

A worn-out timing chain can leave small, broken pieces in the oil pan, which you may notice when draining your Mercedes’ oil. If metal shavings drip out, it can be an indication of a failing timing chain. Metal shavings are also an excellent warning of worn-out keepers, cylinder head valves, retainers and other hardware.

How to know when your timing chain has jumped?

1 Noise – A good indication that a timing chain has jumped is going be noise. 2 Performance Decrease – The engine timing is going to be affected when the timing chain jumps. 3 Service Engine Soon – Your vehicles ECM may or may not have enough input from the engines sensors to detect that the timing chain has jumped. But, it often does.

Can a bad timing chain cause an engine to misfire?

Engine misfires. The timing chain method is more common with consumer vehicles and high performance engines. Over a period of time, the timing chain can stretch, which can cause the chain to skip a gear on the cam or crank shaft. This results in the engine’s timing to fall out of calibration and often results in a misfire.

When did timing chains start to be used in cars?

Timing chains were the norm for cars produced in the 1970s and 1980s but then timing belts took over. However, they have been more widely used in recent years as they are more durable than timing belts.

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