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COMPONENT REMOVAL/INSTALLATION—DIESEL ENGINE
(4) Disconnect the main engine wiring harness at
top of injection pump and position to the side.
(5) Remove the metal intake manifold-to-inter-
cooler connecting tube.
(6) Remove the engine oil dipstick tube mounting
clamp and bolt (Fig. 20). Position dipstick tube to, the
side.
UPPER PART OF
INTAKE MANIFOLD
J9414-105
Fig. 20 intake Manifold Air Heater
(7) Disconnect the air heater cables (two nuts—fig
ure 20) and remove the air heater assembly at intake
manifold (five bolts—figure 20). Discard both of the
old air heater base gaskets.
(8) Remove the throttle control bracket, cables and
linkage assembly from the side of pump (three bolts).
Position the assembly to the side.
(9) Disconnect turbocharger wastegate line and
vacuum line from air flow control (AFC) valve at rear
of injection pump (Fig. 21).
(10) Remove the fuel supply line at both ends (in
jection pump and fuel filter/water separator) (Fig.
22). For procedures, refer to Fuel Injection Pump
Supply Line in this group. Place a rag beneath the
fitting to catch excess fuel.
Fig. 21 Wastegate and Vacuum Lines
Fig. 22 Fuel Injection Pump Supply Line