The timing chain in your Nissan makes sure the engine valves are opening and closing at the right intervals. It's essential that the timing chain has the proper tension to keep the crankshaft and camshaft rotations synchronized and the engine valves opening and closing at the correct intervals. The Engine Timing Chain Tensioner ensures that the timing chain maintains the correct tension level to keep your engine working like it's supposed to.
Your Nissan's timing chain may become loose over time. The Engine Timing Chain Tensioner is there to make sure the timing chain stays in place and under the right amount of pressure, despite any stretching that might occur. If the Engine Timing Chain Tensioner on your vehicle is broken or worn out, it may cause the timing chain to loosen and fall out of place. If the vehicle is running when the timing chain falls out of place, it could cause the chain to snap. Without a functioning timing chain, the pistons and valves could collide, and your Nissan's engine will be unable to run.
One obvious sign of an Engine Timing Chain Tensioner that needs to be replaced is a rattling noise around the engine bay. A metal-on-metal sounding rattle could signify that your timing chain has lost tension and is probably starting to wear out. In time, a rattling loose timing chain can lead to other issues, like an oil leak.
If you think the Engine Timing Chain Tensioner on your vehicle is old or damaged, it's important that a professional technician inspect the tensioner to repair or replace it, as it can be a difficult process accessing the Engine Timing Chain Tensioner.
If your Engine Timing Chain Tensioner needs to be replaced, we recommend that you replace it with a genuine tensioner from Nissan Parts. Get help with professional installation at your nearest authorized Nissan service center.
This Engine Timing Chain Tensioner fits your Nissan Altima 2002-2006, Nissan Frontier 2005-2020, Nissan Maxima 2004-2008, Nissan Pathfinder 2005-2012, Nissan Quest 2004-2009, or Nissan Xterra 2005-2015. Check out the What This Fits tab for more information.
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