The people at the Nissan dealership basically said that it is not considered a wear item and that the chain is only replaced if it actually is damaged itself! Push in, pop out, push in, pop out, etc. I replaced my timing chain anyways but forgot to take out the lower guard, so it stayed in there for years until I got around to it this summer. Its ok to run in a low load low rpm environment but not recommended over long periods. Most higher-displacement engines have a timing chain as opposed to a timing belt. Mainly my whole question to everyone is.
As a result, the chain was just flapping in the wind. Eliminate poor running condition in your ride and get this product now. And please remember, no hating. Are you talking about the guide next to the upper chain tensioner or the guide below it? The valves themselves will bend and potentially ruin the engine. So, get our Replacement Timing Chain Kit for better engine performance. Tensioner is stuck: If you have a lot of oil gunk on your tensioner then the tensioner will be stuck and not extend out all the way to keep the timing chain tight. Be sure not to bend the oil pan because the front cover has a scoop that goes into the oil pan so do not be alarmed when you cannot take the front cover all the way off you have to work with what room you have.
Oil pressure is low: The tensioners that keep the timing chain tight are operated by oil pressure so if your oil pressure is low then the tensioner will not be working properly hence your chain will flap around and hit the guides. The timing chain is an integral part of any engine, and without it, your vehicle is rendered useless. Probably going to have to get the front cover off. The job took me about 12 hours to do myself. When you let go of the tensioner, it should pop back out and put full tension on the chain. It should be fixed and not just pushed aside due to the age of the vehicle. I have read varying information, some suggesting that it needs to be changed at 100,000 miles, some say at 200,000 miles, and some say it does not to be changed at all.
If found that both were a bit sticky, with the bottom one being the worst. Fire it up,check the distributor timing, and enjoy the silence. By being proactive and alert, you can save thousands of dollars and significantly extend the life of your engine. Initially the oil level was one qt over the fill line this would prevent the timing chain rattle , I questioned this, and the dealers mechanic removed the 1qt. Tensioner is broken: If your tensioner is mechanically broken then you need to replace it.
I ran some through my crankcase and it worked fine. If you an reach down more towards the center with a socket extension you should be able to push it in. If you cant definitely clean it up. Just ignore it and let it hang down. My friend told me that i may need to tighten the valves! If its not in spec, disconnect your throttle position sensor and adjust your idle so that is around 700 +-50 and check your timing.
The chain is located in the front of the motor and is attached to a set of gears and pulleys that power multiple mechanical components, including the crankshaft and camshaft. Got questions or comments about this article? Keep in mind my car started making this rattling noise at 55,000 miles and I changed my chain at 104,000. Now, you may wonder where all this plastic that has been chewed away goes. However, when the timing chain is loose, it may cause a vibration inside the motor and that will produce a rattling noise as the engine idles. Start your car and check your timing. Might be able to get at the tensioner with a long handled ratchet wrench but when you go to put it back on it just wouldnt be pretty.
This will help you with installing everything back with close to correct timing. I replaced my timing chain anyways but forgot to take out the lower guard, so it stayed in there for years until I got around to it this summer. If your chain breaks never happens or starts jumping teeth on the gears more on this later it can munch the valves. What exactly is the difference? The engine may also run poorly and lack accelerating power. If our prices don't convince you, we also want to make sure that you can hear from car part experts, so we have reviews you can browse through on our sites to get you peace of mind.
They tend to do that at about 100,000 miles or so. The timing chain is comprised of a series of links in the chain — similar to those found on a bicycle chain. Take off the valve cover -Remove the spark plug wires. A buddy of mine with an S4 just told me that audi forums were suggesting throwing seafoam in the oil for 500 miles of normal driving. On the subreddits front page click the wiki button just below the page header. The issue now is dramatically worse I really should have purchased the Honda Odyssey , I'm sure, I'm left with the vehicle spinning the chain and bending the valves, which eliminates a repair resulting in a more expensive engine replacement.
I believe that the guide you broke is the lower guide. When talking to a mechanic he said the dealerships solution for fixing the rattling sounds were to simply remove the metal plate. My car also seems as if its running kindav rough,like i never been past 4k rpm cause i feel the engine isnt running smooth, so i didnt want to hurt it! I was worried that the car might jump timing with it broken, but was told that unless I revved the engine unusually high, it should be just fine still have tension-er arm in place with the short distances I drive it. To do this all you need to do is take off the valve cover and remove the two bolts holding it in. Eliminate poor running condition in your ride and get this product now. But if it breaks, I know its much more expensive to repair a ruined engine. Only the very top one is extraneous.