(3) Unplug electrical connector at high pressure
pump.
CAUTION: DO NOT slacken the threaded connec-
tion. Use a wrench to counterhold at the threaded
connection when loosening and tightening the
union nut. DO NOT EXCEED tightening torque.
CAUTION: DO NOT crimp or bend fuel line. Capture
all fluids that flow out of connections.
NOTE: Using a marking pen, make a mark on the
outside fuel return line to easily identify proper
position during assembly.
(4) Unbolt bracket and pressure line at pressure
pump.
(5) Detach fuel supply and return flow line at high
pressure pump.
NOTE: Care must be taken not to drop the high
pressure pump driver and intermediate piece if
pump is being replaced.
(6) Remove bolts attaching high pressure pump
and remove pump.
REMOVAL - LOW PRESSURE PUMP
WARNING: NO SPARKS, OPEN FLAMES OR SMOK-
ING. RISK OF POISONING FROM INHALING AND
SWALLOWING FUEL. RISK OF INJURY TO EYES
AND SKIN FROM CONTACT WITH FUEL. POUR
FUELS ONLY INTO SUITABLE AND APPROPRI-
ATELY MARKED CONTAINERS. WEAR PROTECTIVE
CLOTHING.
(1) Disconnect negative battery cable.
(2) Remove vacuum pump (Refer to 9 - ENGINE/
ENGINE BLOCK/INTERNAL VACUUM PUMP -
REMOVAL).
Fig. 5 HIGH PRESSURE PUMP
1 - HIGH PRESSURE INJECTION PUMP 8 - SEALING RING
2 - SEALING RING 9 - BOLTS
3 - INJECTION PUMP DRIVER 10 - FUEL RETURN LINE
4 - BRACKET 11 - BRACKET
5 - HIGH PRESSURE LINE 12 - FUEL SUPPLY LINE FROM LOW PRESSURE PUMP
6 - THREADED UNION 13 - SEALING RING
7 - SEALING RING 14 - SEALING RING
VA FUEL DELIVERY 14 - 9
FUEL PUMP (Continued)
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