03-04A-13
Fuel Charging and Controls-3.8L
03-04A-13
REMOVAL AND INSTALLATION (Continued)
3. Install fuel pressure regulator bracket retaining
bolt. Tighten to 2Q-30 N·m { 15-22 lb-ft).
4. Install inlet and outlet fuel line spring lock
couplings as described.
5. Connect fuel charging wiring {9D930).
6. Install upper intake manifold as described in
Section 03-01 A.
7. Perform Fuel Charging System, Post-Service
Procedures as described.
Fuel Pressure Regulator
Removal
1. Perform Pre-Service and Fuel Pressure Relief
Procedures as described if removing fuel
pressure regulator {9C968) while fuel injection
supply manifold {9F792) is installed on engine.
Refer to Fuel Charging System.
2. Remove vacuum line from fuel pressure regulator.
3. Remove two Allen-head retaining screws from
fuel pressure regulator housing.
4. Remove fuel pressure regulator, return seal and
Q-rings. Discard fuel pressure regulator return
seal and 0-rings.
5.
If
scraping is necessary, do not damage fuel
pressure regulator or fuel injection supply
manifold sealing surfaces.
Installation
1 .
CAUTION: Never use silicone grease.
Silicone grease will clog the fuel injectors.
Lubricate fuel pressure regulator Q-rings with
clean engine oil meeting Ford Specification
WS8-M2C 1 53-F.
2. Make sure sealing surfaces of fuel pressure
regulator and fuel injection supply manifold are
clean.
3. Install new fuel pressure regulator Q-rings and
new return seal on fuel pressure regulator and in
fuel injection supply manifold return port.
4. Install fuel pressure regulator on fuel injection
supply manifold. Tighten retaining screws to
3.Q-4.5 N·m {27-39 1b-in).
5. Install vacuum line to fuel pressure regulator.
6. Perform Fuel Charging System, Post-Service
Procedures as described.
Fuel
C
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Wiring
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1 . Remove upper intake manifold {9424) as
described in Section 03-Q1A.
2. Disconnect fuel charging wiring {9D930) from fuel
injectors {9F593) and electronic engine controls.
3. Disconnect fuel charging wiring from engine
control sensor wiring {1 2A581).
Installation
1 . Follow removal procedure in reverse order.
2. Verify all connections.
Fuel Pump Relay
Removal
1 . Disconnect battery ground cable { 1430 1). Refer
to Section 14-Q 1 .
2. Locate fuel pump relay { 1 4N089) in the engine
compartment power distribution center and
remove fuel pump relay.
Installation
1 . Follow removal procedure in reverse order.
CLEANING AND INSPECTION
Throttle Body
WARNING: DO NOT SMOKE OR CARRY LIGHTED
TOBACCO OR OPEN FLAME OF ANY TYPE WHEN
WORKING ON OR NEAR ANY FUEL-RELATED
COMPONENT. HIGHLY FLAMMABLE .MIXTURES
ARE ALWAYS PRESENT AND MAY BE IGNITED,
RESULTING IN POSSIBLE PERSONAL INJURY.
The throttle body {9E926) for this vehicle is a
sludge-resistant design with a coating on the bore and
plate. Sludge accumulation will not affect the throttle
body air flow. Any attempt to clean the bore and plate
area will impair the effectiveness of the coating. Do
not clean the bore and plate area of the throttle body.
Fuel
Injector
Testing/Cleaning
CAUTION: The fuel injectors for this vehicle are a
deposit-resistant design and should NOT be
cleaned.
Test fuel injectors using Rotunda Fuel Injector
Tester
I
Cleaner 1 64-R3759 or equivalent. Follow tool
manufacturer's operating instructions.
1997 Thunderbird, Cougar July 1 996
Содержание Thunderbird
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