Edelbrock Automobile Parts 17935 User Manual

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 pumps 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.  
1/4Fuel 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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