Removal & Installation: Camshaft: Removal

1. Disconnect negative battery cable. Remove timing chain cover. See TIMING CHAIN COVER . Remove upper and lower intake manifolds. See INTAKE MANIFOLDS . Remove bolt, hold-down clamp and oil pump drive assembly from rear of engine. See Fig 1.
2. Remove valve covers. See VALVE COVERS . Remove valve lifters. See VALVE LIFTERS . Remove timing chain and camshaft sprocket. See TIMING CHAIN & SPROCKETS . Remove thrust plate attaching bolts, and remove thrust plate. Slowly remove camshaft from block; DO NOT  damage camshaft bearings.

Fig 1: Removing Oil Pump Drive Assembly

Courtesy of FORD MOTOR CO.