What is a timing chain issue?
The engine misfires. Repeated misfires could indicate a timing chain issue and should be investigated. There is a rattling sound. A lax timing chain, or worse, a broken timing chain with loose parts within the engine, will produce a rattling sound when your car is idling.
How do you know if your timing chain is bad?
Common signs of a faulty timing chain include engine misfires, metal shavings found in the oil, and rattling sounds from the engine while idling….
- Engine misfires or runs poorly.
- Metal shavings found in the oil.
- Engine won’t start or fails.
- Check Engine Light is on.
- Engine rattles while idling.
What are the signs of a timing chain problem?
Whether the timing chain itself has stretched, or a tensioner isn’t doing its job, the result is the same. Here’s some tell-tale signs of a timing chain problem. You might might hear the engine rattle during startup or idling. This is likely the loose timing chain vibrating inside the motor.
When was the first timing chain lawsuit filed?
Fed up and facing massive repair bills, the first timing chain lawsuit was filed in May of 2016. It placed blame on the tensioner system and said VW should help pay for repairs. Another class-action lawsuit soon followed by 24 plaintiffs in 17 states claiming the timing chains “jump a tooth” in the camshaft.
What happens when the timing chain is loose on an Audi?
Tensioners make sure the chain is tightly wound to the pulleys and gears. If the tensioner fails and the chain becomes loose, the timing of the engine is thrown off. When a timing chain is loose you’ll likely hear a rattle during startup or idling in the engine.
Are there any problems with the VW timing chain?
A Volkswagen timing chain tensioner lawsuit alleges numerous VW and Audi vehicles have defects in the timing chain tensioning systems that cause complete engine failure. This problem has popped up in the following Volkswagen generations.
What are the symptoms of a bad timing chain?
Common signs of a faulty timing chain include engine misfires, metal shavings found in the oil, and rattling sounds from the engine while idling. Since the inception of the internal combustion engine, one constant has remained – all of them have a timing chain or timing belt.
What happens when timing chain breaks?
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. Nov 21 2019
Which model has the timing chain problem?
If you own a BMW model from any of the BMW 1, 3 or 5 series manufactured between 2007 and 2011 then your car is liable to have a timing chain problem. The luxury German machines are prone to a specific engine problem, a timing-chain-wear caused largely to the use of the newer N47 motor engine.
What does a loose timing chain sound like?
Listen for a metallic sound that resembles a rattling or scrapping noise. The sound can be intermittent or constant, but it will be a metal to metal contact. Such a noise will reveal a loose timing chain hitting the inside of the timing chain cover every time it rotates.