Fuel Pump Module; Fuel Rail/Fuel Injectors - Briggs & Stratton VANGUARD M490000 Repair Manual

11
5

Fuel Pump Module

Removal
1. Relieve fuel system pressure. See CHECK/RELIEVE
FUEL SYSTEM PRESSURE in this section.
2. See Figure 12. Squeeze clip and remove EVAP tube
(to elbow fitting on cylinder 2 heat shield) from top of
fuel pump module (A).
3. Remove three hex screws to release fuel pump
module from bracket.
4. Pull out grey secondary lock and press latch to
disconnect fuel pump module connector (B).
5. Squeeze two tabs on quick disconnect fitting to
release fuel rail from fuel outlet port (C).
NOTE: Wrap shop towel around fittings to catch any
fuel leakage.
6. Squeeze clip at fuel inlet port (D) and remove hose
from mechanical diaphragm fuel pump.
NOTE: Fuel pump module may contain a small
quantity of fuel. Hold fuel pump module with inlet and
outlet fittings pointing upward until fuel can be drained
into a suitable container.
Installation
1. Squeeze clip and install hose from mechanical
diaphragm fuel pump onto fuel inlet port (D).
2. Firmly push quick disconnect fitting on fuel rail onto
fuel outlet port (C). Gently tug on fitting to verify that it
is properly seated and secure.
3. Connect fuel pump module connector (B). Push in
grey secondary lock to secure.
4. Squeeze clip and install EVAP tube (to elbow fitting
on cylinder 2 heat shield) at top of fuel pump module
(A).
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5. Install three hex screws to fasten fuel pump module
to bracket. Alternately tighten screws to 60-70 lb-in
(7-8 Nm).
6. Turn ignition switch ON for two seconds, and then
OFF for 10 seconds. Turn the ignition switch back to
ON and check for fuel leaks.
12

Fuel Rail/Fuel Injectors

Removal
1. Relieve fuel system pressure. See CHECK/RELIEVE
FUEL SYSTEM PRESSURE in this section.
2. See Air Cleaner Assembly/Static Guard/Decorative
Cover/Blower Housing, Removal.
3. Remove EFI wire harness retaining clip from fuel rail.
See A of Figure 13.
4. Remove fuel rail retaining clip from hole in CKP
sensor bracket. Remove fuel rail retaining clip from
fuel rail. See B of Figure 13.
5. Pull out green secondary lock and press tab to
disconnect fuel injector connectors.
6. Remove two hex flange screws to release fuel
injector cap flanges from intake manifold.
7. Remove retaining clips to release fuel injector caps
from fuel injectors. Note orientation of the retaining
clips prior to removal.
8. Remove fuel injectors from intake manifold.
9. Squeeze two tabs on quick disconnect fitting to
release fuel rail from fuel pump module.
NOTE: Wrap shop towel around fitting to catch any
fuel leakage.