90-823225--1 10965E-142 - ELECTRONIC FUEL INJECTION (MULTI-PORT AND THROTTLE BODY)
Vapor Separator Tank (VST)
NOTICE
Refer to “Service Precautions,” in “Repair
Procedures,” BEFORE proceeding.
REMOVAL
1. Disconnect fuel pump electrical connector.
2. Label and then disconnect all fuel lines from
cover of vapor separator tank.
73759
b
d
a
e
c
a - VST
b - Bracket
c - Screw
d - Bushing
e - Grommet
3. Remove screw and VST from intake manifold.
INSTALLATION
1. Install VST to intake manifold. Apply Loctite 8831
to threads of attaching screw. Torque bolt to 105
lb. in. (12 N·m).
2. Connect all lines to cover of vapor separator tank.
Torque fuel line fittings to 23 lb. ft. (31 N·m).
3. Connect fuel pump electrical connector.
4. With engine off, cycle ignition switch to on,waiting
2 seconds and then off, four times waiting 10 se-
conds after each key off to prime the fuel system
and check for leaks.
NOTE: If VST is dry, remove the vent screw and fill
with fuel.
REMOVAL - VST FUEL PUMP
1. Disconnect fuel pump electrical connector.
2. Label and then disconnect all lines from cover of
vapor separator tank.
3. Remove electrical line from retaining clip.
4. Remove screw from L-joint and pull L-joint from
cover.
5. Disconnect fuel pump electrical connectors as
follows:
a. Gently pry each side of connector cover up
and over retaining tabs.
b. Remove connector retaining nuts and re-
move connectors.
6. Remove cover screws and remove cover and
electrical line retaining clip.
7. Carefully slide fuel pump assembly from cover.
8. Remove O-ring, plate, adaptors and collar from
fuel pump.
9. Remove screen from fuel pump.
10. Remove plate and rubber cushion.
NOTE: When replacing fuel pump, make certain to
replace with a fuel pump of the identical part number.
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