The timing chain in your Nissan ensures the valves on the engine close and open at the proper intervals. It's essential that the timing chain has the proper tension to keep the camshaft and crankshaft's rotation in sync and the engine valves opening and closing at the correct intervals. The Engine Timing Chain Tensioner ensures that the timing chain has the right amount of tension to keep your engine running as designed.

Eventually, your vehicle's timing chain can loosen. The Engine Timing Chain Tensioner helps keep the timing chain in the right place and under the right amount of pressure, despite any stretching that might occur. If the Engine Timing Chain Tensioner on your Nissan is worn out or damaged, it may cause the timing chain to loosen and fall out of place. A timing chain that falls out of place while driving could break, causing more severe damage. Without a functioning timing chain, the engine pistons and valves may collide, and your Nissan's engine will be unable to run.

If your Engine Timing Chain Tensioner needs to be replaced, you may notice a rattling sound coming from under the hood. A metal-on-metal sound may mean the timing chain has too much slack in it and is probably starting to wear out. Over time, a loose timing chain may lead to additional problems, like an oil leak.

If you think the Engine Timing Chain Tensioner on your vehicle is old or damaged, it's best to let a professional technician inspect it to replace or repair it, as it can be a difficult process accessing the Engine Timing Chain Tensioner.

If it's time to replace your Engine Timing Chain Tensioner, replace it with a new OEM replacement tensioner from Nissan Parts. Locate your nearest authorized Nissan service center for professional installation.

This Engine Timing Chain Tensioner fits your Nissan Altima 2002-2006, Nissan Frontier 2005-2019, Nissan Maxima 2004-2008, Nissan NV1500 2016-2020, Nissan NV2500 2016-2020, Nissan NV3500 2012-2020, Nissan Pathfinder 2005-2012, Nissan Quest 2004-2009, or Nissan Xterra 2005-2015. See the What This Fits tab for more details.

Fits Frontier, NV1500, NV2500, NV3500, Pathfinder, Patrol, Quest, Xterra