- Rocker arm studs are pressed into cylinder head. Using Stud Remover (J-5802-01), place remover over stud. Install flat washer and nut. Tighten nut to remove stud from cylinder head.
- If stud is loose in cylinder head, ream stud bore for oversize stud using Reamer (J-5715) for .003" (.08 mm) oversize stud and (J-6036) for .013" (.33 mm) oversize stud.
- Coat press-fit area of stud with hypoid axle lubricant. Using Stud Driver (J-6880), drive stud into bore until driver bottoms against cylinder head.
- Remove intake manifold. See «INTAKE MANIFOLD»(ref-49853-S25875227312001011600000) . Remove valve covers. Loosen all rocker arm nuts and rotate rockers aside.
- Remove push rods, noting location for reassembly reference. Remove lifter retainer. On all engines, remove lifters, noting location for reassembly reference.
Installation
Coat lifter feet and body with High Viscosity Oil/Zinc (12345501). Install lifters in original location. To install remaining components, reverse removal procedure.
Remove radiator, Discharge A/C system (if equipped) using approved refrigerant recovery/recycling equipment and remove A/C condenser (if equipped) and grille. Remove valve lifters. Refer to VALVE LIFTERS under REMOVAL & INSTALLATION. Remove timing chain and camshaft sprocket. See TIMING CHAIN & SPROCKETS under REMOVAL & INSTALLATION. If necessary, raise engine. Remove camshaft.
Coat camshaft lobes and bearing journals with High Viscosity Oil/Zinc (12345501). Install camshaft. To install remaining components, reverse removal procedure.
Remove transmission, clutch (M/T) and flywheel. Using screwdriver, pry seal from housing. DO NOT scratch crankshaft sealing surface. Note direction of seal lip.
- Lubricate inner and outer diameter of seal with engine oil. Place seal on Seal Installer (J-35621). Position seal installer against crankshaft.
- Thread attaching screws into crankshaft flange and tighten with screwdriver. This squares seal with crankshaft. Rotate seal installer handle until it bottoms. Remove seal installer. Install flywheel, clutch (M/T) and transmission.
Disconnect battery. Drain cooling system. Remove all drive belts, coolant hoses and mounting brackets attached to water pump. If necessary, remove fan shroud. Remove fan and pulley. Remove water pump and gaskets.
Install water pump with new gaskets. Tighten water pump bolts to specification. See TORQUE SPECIFICATIONS . To install remaining components, reverse removal procedure.