DIRECT FUEL INJECTION
Page 3B-42
90-888438 JUNE 2002
FUEL REGULATOR REMOVAL
1. Remove 4 screws securing regulator and remove regulator.
2. Inspect regulator diaphragm for cuts or tears.
3. Inspect regulator housing o-ring for cuts and abraisions. Replace components as re-
quired.
a
b
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f
d
e
c
a
a-Screws
b-Fuel Regulator
c-Diaphragm
d-Spring
e-Cup
f-O-Ring
FUEL REGULATOR INSTALLATION
NOTE: Apply a light coat of 2-4-C with Teflon to diaphragm surface and o-ring to aid in
the retention of diaphragm and o-ring on fuel rail during reassembly.
1. Position diaphragm on fuel rail.
2. Position o-ring on fuel rail.
3. Position spring and cup onto diaphragm.
NOTE: Apply anti-seize grease (obtain locally) or 2-4-C with Teflon to regulator attaching
screw threads.
4. Place cover over spring/cup/diaphragm assembly and secure with 4 screws. Torque
screws to 70 lb. in. (8.0 Nm).
e
e
a
b
c
d
57975
57968
a-Diaphragm
b-O-Ring
c-Spring
d-Cup
e-Screws [Torque to 70 lb. in. (8.0 Nm)]
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