chains aren't like belts where they really wear down and need replacement as a normal service routine. I've touched thousands of Hyundais from my time as a dealer tech and I can't even recall if I ever replaced a timing chain for an issue that wasn't caused by something else. They're built to last the life of an engine.
My Audi A5 3.0tdi is chain driven and is on 185k and still going strong.
You have the N47 engine, which is known for premature failure and excessive wear of the timing chain. However, it's generally cars prior to 2011 that have this issue, with later iterations safer.
The motor was in good shape but I replaced the timing chains anyway. The rails were actually in good condition but nice to have the piece of mind.
Ran 400 wheel horsepower on the OEM chain in my 16. Just did routine oil changes and shoved a fuckload of air into the motor but the chain took it with no issues. Until, of course, the motor exploded at 95k lol
I have owned several Jaguar 5.0 engines (XJ, XF, Range Rover) that have all made it to 100k+ with silent timing chains. All had their oil changed far more frequently than the manufacturer recommended (I usually go 5-7k vs 15k).
So over the weekend I replaced the following Timing Chain N205 Tensioner Intake Cam Magnetic actuator Cam bridge Cam sensor Car is not throwing the MDF message but the chain rattle is still there.
I have a 2008 1.4 TSI Tiguan bought from South African VW dealer, full dealer servicing too. Have had the coils replaced 7 times( kept burning out) spark plugs 4 times ( kept burning out too) and variouse other faults giving a total of 13 returns under warranty. The vehicle is now out of warranty with 139000 Km's (86000 miles) and the timing chain has failed bending valves etc. The vehicle took 3 weeks to repair and I had to pay R31000 ($2600 us) had a meeting with VWSA who say its normal wear and tear would not assist and didn't even apologies .
After I clear the code the CEL light stays off for about 15-20 miles or 2 cycles and then reappears. It has now been 400 miles since the timing chain work was done - plenty of time for the computer to 'adjust to the new part'. Although the idle has smoothed out a little bit, I'm afraid the car was not properly fixed.
Year two, 60k miles, I get a rattle. Annoying at first but soon the radio can't even drown it out. Drive performance gets "pretty bad" - the car has no get-up and go. Diagnosis: two cylinders operating at low performance, noise loudest at timing chain, needs a new engine. The tech noticed I'm over the estimated 3,750 miles for oil change, so probably the cause is "sludge" in the engine due to MY poor maintenance. Estimated costs of service: $8,655.83. I have discovered tons of consumer reviews - particularly about the 2011 Juke - indicating the same problem I'm having but in particular, the timing chain was defective and their engines had to be replaced. Many articles were hoping for a recall of the timing chain soon. The service guys says "well, yes, all of this has to do with the timing chain but really the cause is sludge."
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