Q: How to Service and Repair a Rocker Arm Assembly on 2007 Jeep Wrangler?
A: To do work on the rocker arm assembly, start by taking off the cylinder head cover(s). Turn every rocker shaft bolt until you see all valve spring force being released. The next step is to take out the rocker arms and shaft assembly. Look at the disassembly guidelines from your vehicle's maker before you disassemble the rocker arms.