Housing, Camshaft Bearing: Description: Description
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The camshaft bearing housing is bolted to the top of the cylinder head. The camshaft bearing housing primarily supports the camshaft, hydraulic valve lash adjusters and the variable valve actuator assembly. The spark plug tubes are threaded into the camshaft bearing housing and the vacuum pump is bolted to the rear camshaft bearing cap and the housing. The camshaft bearing housing supplies oil to the camshaft bearings, hydraulic valve lash adjusters, vacuum pump and the variable valve actuator assembly. A removable filter screen is installed in the housing for the variable valve actuation oil supply.