Caravan FWD V6-3.3L VIN R (2001)
Rocker Arm Assembly: Description and Operation
DESCRIPTION
ROCKER ARMS
The rocker arms are installed on the rocker arm shaft. The rocker arms and shaft assembly is attached to the cylinder head with seven bolts and
retainers. The rocker arms are made of stamped steel.
PUSHRODS
The pushrods are made of steel and are a hollow design. The pushrods are positioned between the hydraulic lifter and the rocker arm.
OPERATION
ROCKER ARMS
The rocker arm pivots on the rocker shaft. Rocker arms are used to translate up and down motions provided by the camshaft, hydraulic lifter, and
pushrod on one end, into a down and up motions on the valve stem on the opposing end.
PUSHRODS
The pushrod is a solid link between the hydraulic lifter and the rocker arm. Also, the pushrod supplies engine oil from the hydraulic lifter to the rocker
arm.