Injection Pump Mounting Nuts - Jeep 200 Cherokee Service Manual

14 - 18 FUEL SYSTEM—2.5L DIESEL ENGINE
REMOVAL AND INSTALLATION (Continued)
Fig. 35 Injection Pump Mounting Nuts
1 – MOUNTING FLANGE
2 – SLOTTED HOLES (3)
3 – PUMP MOUNTING NUTS (3)
(4) Place the key way on the pump shaft to the 11
o'clock position as viewed from the front of pump.
Install the pump into the rear of timing gear cover
while aligning key way on pump shaft into pump
gear.
(5) Install and snug the 3 injection pump mount-
ing nuts. This is not the final tightening sequence.
(6) Remove the special gear puller and adapter
tools from timing gear cover.
(7) Install the injection pump drive gear nut.
Tighten nut to 88 N·m (65 ft. lbs.) torque.
(8) Remove the access plug and plug washer at
rear of pump (Fig. 36). Thread special dial indicator
adapter tool VM.1011 (Fig. 37) into this opening.
Hand tighten only.
(9) Attach special dial indicator tool VM.1013 into
the adapter tool (Fig. 37)
(10) Using a socket attached to the front of the
crankshaft, rotate the engine in a counter-clockwise
direction until the dial gage indicator stops moving
(20–25° before TDC).
(11) Set the dial indicator to 0mm. Be sure the tip
of the dial indicator is touching the tip inside the
adapter tool.
(12) Rotate the engine clockwise until special
alignment tool VM# 1043 can be inserted through the
hole in the bottom of the clutch housing, stopping the
flywheel rotation. This position is #1Cylinder TDC
Compression. Engine must be at TDC #1 com-
pression firing stroke.
(13) The gauge reading should be at 0.55 mm
(with new gears installed specification should
be 0.59–0.60mm). If not, the pump must be rotated
for adjustment:
2000 JEEP CHEROKEE
1 – ACCESS PLUG
2 – WASHER
Fig. 37 Installing Dial Indicator and Special Adapter
1 – DIAL INDICATOR TOOL
2 – ADAPTER TOOL VM1011
(a) Loosen the three injection pump mounting
nuts at the mounting flanges. These flanges are
equipped with slotted holes. The slotted holes are
used to rotate and position the injection pump for
fuel timing. Loosen the three nuts just enough to
rotate the pump.
Fig. 36 Access Plug at Rear of Pump
Tools
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