Removing
1. Disconnect battery from ground (make sure radio codes are known).
2. On carbureted engines, remove the air filter; on injection engines, remove the air intake hose, flow rate sensor and air filter.
3. Label and disconnect all hoses and wires that may interfere with the removal of the cylinder head cover.
4. Turn away bolts of a cover of a head of cylinders, remove a cover and a lining. If the cover does not yield, knock it off with a hammer through the soft spacer, or carefully pry open the seal with a spatula. Do not separate the cover by inserting a tool between the split surfaces.
Installation
1. Thoroughly clean the sealing surfaces of the cover and cylinder head, remove traces of oil. Install a new gasket in the cover groove (the gasket can not be changed if it has not hardened and is not damaged). Replace cover bolt seals.
2. Carefully install the cover and tighten the bolts.
3. Tighten the cover bolts evenly to the specified torque.
4. Install other parts, start the engine and check for leaks.