255 Liter/Hr, High Pressure In Tank Fuel Pump
For 1985-1997 Ford Mustang (Except for 1996-1997 Cobra)
Catalog # 17935
INSTALLATION INSTRUCTIONS
• PLEASE study these instructions carefully before installing your new In-Tank Fuel Pump for 1985-1997 Ford Mustang
(Except 1996-1997 Cobra). If you have any questions or problems, do not hesitate to contact our Technical Hotline at:
1-800-416-8628, from 7am-5pm PST, Mon-Fri, or via e-mail at: Edelbrock@Edelbrock.com. Please fill out and mail
your warranty card.
• Note: Proper installation is the responsibility of the customer. Improper or incomplete installation could result in poor
performance, related component damage, potential severe engine damage, vehicle fire, and will void your warranty. If you
do not feel comfortable installing these parts, we recommend having the installation performed by a professional mechanic.
• Description: This in-tank fuel pump replaces the factory pump and has an increased flow of 255 liters/hour (67 gph).
This in-tank upgrade pump is ideal for supporting performance improvements that require higher fuel pressure than stock,
such as a supercharger, turbocharger, or direct port nitrous system, etc. This pump replaces your original pump exactly
and includes all necessary hardware for an easy installation:
Kit Contents:
Qty.
Minimum Tools Required:
Description
K 1
Fuel Pump
1. Lift or appropriate jack
K 1
K 1
K 1
K 1
K 1
K 1
Fuel Pump Filter
Fuel Pump Isolator
Fuel Tank to Pump Bracket O-Ring
Electrical Connector
Section of Pre-Formed Fuel Hose
Hose Clamp
2. OSHA-approved jackstands
3. OSHA-approved fuel transfer pump
4. OSHA-approved fuel storage containers
5. Wire stripping and crimping tool
6. Various hand tools
K 1
K 1
Fuel Line Retaining Clip (1/4”)
Fuel Line Retaining Clip (5/16”)
INSTALLATION NOTES
• Remember: When working on your vehicle, especially when oil or fuel is present, always work in a well -
ventilated area. Keep all sparks, open flames, or other sources of ignition away from the work area. Failure
to do so could result in a fire or explosion causing vehicle or property damage, personal injury, and/or death.
• Before Beginning: This installation can be accomplished using common tools and procedures. However, you should have
a basic knowledge of automotive repair and modification and be familiar with and comfortable with working on your vehicle.
If you do not feel comfortable working on your vehicle, it is recommended to have the installation completed by a
professional mechanic. Using a factory service manual for your vehicle for reference is helpful.
• Note: Steps shown in these instructions are intended as a general guideline only. If you are not an experienced mechanic,
you should have a copy of your service manual on hand. The installation procedure for replacing your factory fuel pump is
covered in full detail in your factory service manual.
©2003 Edelbrock Corporation
Rev. 11/03
Catalog #17935
Brochure #63-0225
Page 1 of 4
BRACKET REMOVAL
1. Note the position of the fuel pickup filter in relation to the
bracket before removing the filter. Remove and discard
the filter.
2. Prior to removing the lead wires, inspect the terminal
ends attached to the fuel pump. Some vehicles use a
locking terminal on which a tab must be depressed to
release the terminal. Remove the wires from the fuel
pump without damaging the terminal ends, as they are to
be reused. Note which wire is positive (+), and which
wire is negative (-).
3. Remove the four screws that hold the upper and lower
bracket sections together. Remove the lower section and
fuel pump isolator and set them aside.
4. Note the fuel pump’s orientation. Remove the hose
clamps and remove the fuel pump and fuel hose from the
pump bracket.
5. Install the new fuel hose onto the new fuel pump outlet
fitting and place the hose clamps over the fuel hose.
Install the fuel hose onto the pump bracket. With the fuel
pump properly positioned, tighten the hose clamps.
6. Install the fuel pump isolator over the end of the fuel
pump inlet. Place the lower section of the pump bracket
over the pump inlet and install the screws. Make sure
that the fuel pump is properly positioned in the
assembled bracket. If not, reposition the fuel pump as
necessary.
1. Thoroughly clean all dirt and debris from the top of the
tank. Clean out any dirt from around the locking ring
and retainer. This must be done to prevent dirt of
foreign material from falling into the fuel tank while
removing the bracket.
2. Lubricate the locking ring with penetrating oil to assist
in its removal. Remove the locking ring by rotating in a
counterclockwise direction. This can best be
accomplished safely by using the proper service tool as
specified in the factory service manual. Using the
proper tool is ideal. However, the locking ring can be
removed by other methods. Whichever method you
use, do not use any method that could potentially cause
sparks resulting in fire or explosion.
3. Once the locking ring is removed, carefully remove the
bracket from the fuel tank. Be careful not to bend the
float arm or scratch the float when it is removed.
Discard the old fuel tank to bracket o-ring seal.
PUMP REMOVAL AND REPLACEMENT
(Note: See Fig. 2 for reference during all steps.)
Bracket
Assembly
(Upper)
7. Install the lead wires onto the pump terminals, making
sure that proper polarity is maintained.
8. While maintaining proper orientation, push the new filter
onto the pump inlet until it is fully seated.
Fuel Pump
Power Leads
9. Thoroughly inspect the pump and bracket for any
possible defects before installation into the tank.
Fuel Pump
Fuel Pump
BRACKET INSTALLATION
Hose Clamp
Isolator
1. Inspect the fuel tank for dirt and debris. If the amount of
dirt or debris is excessive, clean the fuel tank before
installing the bracket assembly.
2. Inspect the bracket to make sure it is clean and ready for
installation.
Bracket
Assembly
(Lower)
Fuel Hose
Hose Clamp
Fuel Filter
3. Place the supplied fuel tank o-ring seal in the groove at
the fuel tank opening. Place the bracket assembly into
the tank using care not to disturb the o-ring seal. Also
use care not to fold or twist the filter, as this could cause
restricted fuel flow. Install the locking ring and rotate it
clockwise until it is properly seated against the stops.
Check service manual for an approved sealant for locking
ring.
Lower to Upper
Bracket Screws
Fig. 2
©2003 Edelbrock Corporation
Catalog #17935
Rev. 11/03
Page 3 of 4
Brochure #63-0225
FUEL TANK INSTALLATION
WRAP UP
1. Inspect the condition and location of all tank mounting
pads, insulators and brackets. Defective, missing or
mislocated pads and insulators will cause the
transmission of excessive noise into the vehicle.
2. Install the new fuel line retaining clips, 1/4” duckbill
style and 5/16” hair pin style, into their respectively
sized fuel line connector. With the 1/4” duckbill
retainer properly installed, the serrated edges should
protrude through the side opening of the fuel line
connector. The 5/16” hairpin clip is installed with the
triangular portion of the clip facing away from the fuel
line connector opening. (See Fig. 3)
1. Using only equipment approved for use with gasoline,
refill the fuel tank with gasoline. (Note: Always clean
any gasoline spills immediately).
2. Inspect the fuel system for leaks. Repair any leaks before
proceeding.
3. With the ignition switch off, re-connect the negative
(ground) cable to the battery.
4. Turn the ignition key to the “Run” position only. This will
charge the fuel system. You may need to do this a few
times to get pressure. Once you have pressure, check for
any leaks and repair. Then, start engine and re-check for
leaks. (Note: Turn off engine and correct any leaks
before continuing.).
5. Clear any trouble codes in the electronic control unit
(ECU) that may exist as a result of the fuel pump
replacement procedure. Use the factory service manual
for assistance, if necessary.
1/4” Fuel Line
Fuel Line
Connector
5/16” Fuel Line
TROUBLESHOOTING
Should the fuel pump fail to operate:
Fuel Line
Retaining Clip
1. Check the fuel pump fuse and fuel pump relay as outlined
in the factory service manual.
2. If the pump has power and proper polarity, check the
remainder of the fuel system as outlined in the service
manual.
Fuel Line
Connector
Fuel Line
Retaining Clip
Fig. 3
(Note: This pump will not remedy any malfunctions in
the fuel pressure regulator, fuel injectors, or other fuel
system problems).
3. Inspect and correct any defects in the fuel hoses, filler
neck connections, or similar components related to the
fuel system.
4. Install the fuel tank in the vehicle and tighten the tanks
support strap bolts. Reconnect all lines and hoses and
tighten securely. Connect the electrical connections.
Make certain that all hoses, fittings, and electrical
connections are correctly and securely attached.
5. Be sure that all fuel lines are correctly routed and
secured in any mounting brackets. Make sure the
wiring harness is installed in the original position and
secured in any wire clips or brackets, if present.
Edelbrock Corporation • 2700 California St. • Torrance, CA 90503
Technical Toll-Free Hotline: (800) 416-8628 • Office: (310) 781-2222
E-Mail: Edelbrock@Edelbrock.com
©2003 Edelbrock Corporation
Rev. 11/03
Catalog #17935
Brochure #63-0225
Page 4 of 4
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