My car had been worked on by its previous owner and he replaced all the rocker arms,valves, and push rods, but didnt put the head on perfect and it caused one of the rods and the rocker arm to break to a exhaust valve and created a banging noise that made my car sound like a diesel. I hope I understood your question.
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Yes, it COULD be a timing chain rattling, but again, your guess is probably better than mine at this point.
Without the ability to hear the noise it is impossible to say. Noises can be very difficult to locate when you are standing right in front of the vehicle. It is completely unachievable to perform this task remotely.
Are you sure it is coming from the engine and not the transmission? Or maybe even the exhaust? It is not likely for a timing chain noise to go away as a reult of putting the transmission in gear.
As for the misfire, when does it occur? is it at idle? Is it when you are accelerating (putting the engine under a load? Does it only misfire at high speeds? Much more info needed here.
Hello windy....There are a few thing on the murano that could cause this... one is the exhaust gussets that go to the bottom of the oil pan to the exhaust, they can crack and cause a rattling noise. Also I have seen the rear exhaust heat shield spot welds come loose and cause a rattling noise, from exhaust manifold down pipe on the cat. converter. I would check them first, also the park brake cable will lose tension and rattle on the undercarriage. A more serious problem would be the timing chain and/or chain tensioners...these are known to make noise around 50-60k. The tensioners are operated from oil pressure, the face gets worn, the chain stretches and it results in a rattle or a slapping noise Useing a full synthetic oil with regular maintaince will help prevent premature wear. Good luck, i hope this helps..please rate me a fixya.
no it would not be the timing belt making a rattling noise it couldn possible be you heat shield around your break rotor it could be someting having to do with ur suspenion like a spring maybe what kind of rattling noise? or a regular heat shield but loose in that particular area