Why a Leaking Valve Cover Gasket on a 2012 Nissan Altima is a Bigger Problem Than You Think
A leaking valve cover gasket on a 2012 Nissan Altima can lead to more problems than you might think, making it an issue that should be addressed sooner rather than later. Here’s why: 1. Oil Leaks Can Damage Ignition Components One of the biggest issues with a leaking valve cover gasket is that oil can seep into the spark plug wells. On the QR25DE (2.5L) and VQ35DE (3.5L) engines, the spark plugs sit deep in the cylinder head, and if oil pools around them, it can short out the ignition coils, leading to: Ignition coils aren’t cheap, […]