Specifications

(20) Remove Crankcase breather hose from valve
cover
(21) Remove the engine cylinder head cover.
(22) Remove the injector sensor wire at the con-
nector, and glow plug Connectors.
NOTE: The attachment point for the injector sensor
wire at the injector is not a connector. The connec-
tor is located in the wire 4 to 6 inches away from
the injector.
(23) Remove injector fuel lines from injectors to
pump.
(24) Remove fuel injectors with tool VM-1012A
(Fig. 28) and (Fig. 29) Refer to Group 14, Fuel Sys-
tem.
(25) Remove rocker retaining nuts (Fig. 30).
(26) Remove rocker assemblies. Place them on a
bench in the same order as removed.
(27) Remove the push rods and place them on a
bench in the same order as removed.
(28) Mark cylinder heads to ensure installation in
there original position.
(29) Remove the engine cylinder head bolts with
special tool VM-1018 and VM-1019.
Fig. 27 Rocker Arm Oil Feed Lines
Fig. 28 Fuel Injector Tool VM-1012A
Fig. 29 Fuel Injector
Fig. 30 Rocker Arm Retaining Nut
9 - 50 ENGINE NS/GS
REMOVAL AND INSTALLATION (Continued)