There are hundreds of moving parts in the modern engine of your Jeep Wrangler JK and many more fixed ones. This include crankshafts, camshafts, lifters, connecting rods, pistons, pulleys, timing components and much more! Most of these components are quite durable and will last for several thousands of miles without maintenance or repair. However, the maintenance schedule should be adjusted if your take your Jeep Wrangler JK off-road. Unpaved paths and trails put extra pressure on engine parts and may result in premature wear and tear. Serious off-roading enthusiasts should take a look under the hood before any adventure and replace worn components. Wranglers can also be rough on brakes and tires and as such, it's always a good idea to check both before each off-road adventure.
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