CONTINENTAL TOWN CAR MARK VIII NAVIGATOR

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1 FUEL SYSTEM FUEL PUMP Article No. WHINING / BUZZING NOISE COMES THROUGH ENTERTAINMENT OR TWO-WAY RADIO SPEAKER RADIO ENTERTAINMENT OR TWO-WAY COMMUNICATION WHINING / BUZZING NOISE IN SPEAKERS CAUSED BY FUEL PUMP NOISE WHINING / BUZZING COMES THROUGH SPEAKERS OF ENTERTAINMENT OR TWO-WAY RADIO FORD: LINCOLN: MERCURY: TEMPO PROBE, THUNDERBIRD ESCORT, MUSTANG, TAURUS CROWN VICTORIA CONTOUR 2001 TAURUS 1990 BRONCO II BRONCO AEROSTAR, F SUPER DUTY, F-250 HD, F F-250 LD ECONOLINE, F-150, RANGER EXPLORER WINDSTAR EXPEDITION SUPER DUTY F SERIES EXCURSION 2001 ESCAPE MARK VII CONTINENTAL TOWN CAR MARK VIII NAVIGATOR TOPAZ COUGAR SABLE GRAND MARQUIS TRACER MYSTIQUE 1999 COUGAR 2001 SABLE VILLAGER MOUNTAINEER Copyright 2001 Ford Motor Company PAGE 1

2 This TSB article is being republished in its entirety to update the model year vehicles. ISSUE A whining / buzzing noise in the speakers of the entertainment radio or two-way radio on vehicles with an in-tank electric fuel pump may be caused by electrical noise from the fuel pump. SERVICE PROCEDURE 1. Remove the fuel pump sender assembly from the fuel tank. Refer to the appropriate model year Workshop Manual for removal procedure. 2. On vehicles without a fuel delivery module, remove the negative and positive connectors from the fuel pump, Figure 1. ACTION a. Cut the wires to the fuel pump 76mm (3 ) Install an electronic noise Radio Frequency from the flange of the fuel pump and Interference (RFI) Filter (F1PZ-18B925-A) on the discard the wires. fuel pump inside the fuel tank. Refer to the following Test Procedure to confirm that the concern b. Connect the RFI filter connectors to the exists, then refer to the Service Procedure for repair spade terminal on the fuel pump. details. c. Cut and solder both the red and black wires of the RFI filter to the red and black wires of the flange. Use Heat Shrink Tubing SOME LIGHT TRUCKS REQUIRE ONE (1) RFI (F5AZ-14A099-AA) over the solder FILTER FOR EACH IN-TANK ELECTRIC FUEL connections. PUMP ON MULTI-TANK VEHICLES. HEAT SHRINK TUBING MUST BE USED OVER THIS TSB DOES NOT INCLUDE TAURUS ALL SOLDERED CONNECTIONS MADE PRIOR FLEXIBLE FUEL VEHICLES (FFVs) OR 1999 TO THIS TSB. USE SUFFICIENT TUBING RANGER 3.0L FFVs. (ABOUT 50mm (2 )) OF THE SPECIFIED TYPE TEST PROCEDURE TO ENTIRELY COVER EACH SOLDERED CONNECTION AND SHRINK APPROPRIATELY Fuel pump radio noise is relatively constant and TO PREVENT EXPOSURE OF THE changes only slightly with vehicle speed. If the CONNECTIONS. frequency of the noise varies or the noise comes and goes with the vehicle speed, then it is not the FOR SOME VEHICLES WITH EXTREMELY LONG fuel pump and this fix will not be effective. The FUEL PUMP GROUND WIRE CIRCUITS, IT MAY following procedure will help determine if the fuel BE NECESSARY TO SHORTEN THE GROUND pump is the cause of the radio noise: WIRE TO A POINT CLOSE TO THE FUEL TANK. IF THE GROUND IS MOVED, BE SURE IT IS 1. Turn on the radio before the key is turned on SECURE AND PROTECTED FROM CORROSION (assuming the radio will operate without the SINCE IT IS THE OPERATING GROUND FOR ignition key - you may need to put the ignition THE PUMP. CHECK SERVICE LITERATURE key in the Accessory position). (EVTM, ETC.) FOR GROUND LOCATIONS. 2. Turn the ignition key to the Run position (do WARNING not start the engine). ALL SOLDERING AND HEAT SHRINKING MUST 3. The fuel pump should run for about 1 second BE COMPLETED AWAY FROM THE FUEL TANK with the key in the Run position with the engine AREA. USE A SOLDERING IRON ONLY FOR not running. Listen for noise in the radio. If SOLDERING AND HEAT GUN ONLY FOR noise is present while the pump is running and APPLYING SHRINK TUBING. stops when the pump stops, then the noise is 3. On light trucks and compact trucks with a fuel being generated by the pump and this delivery module, cut the fuel pump wires to the procedure should help. fuel delivery module 50mm (2 ) from the flange and discard the wires, Figure 2. PAGE 2

3 a. Cut the connectors from the RFI filter and 6. Check the appropriate Electrical and Vacuum solder wires to the fuel delivery module (red Troubleshooting Manual (EVTM) (or other to red and black to black). Use heat shrink service literature) for the location of the fuel tubing over solder connections. pump ground. If ground is more than 0.9m (3 ) from the tank, cut wire and ground fuel pump b. Solder wires from the RFI filter to the flange end within 0.9m (3 ) of the tank to prevent wires (red to red and black to black). Use ground wire from acting as an antenna. Be sure heat shrink tubing over soldered ground is secure and protected from corrosion connections. since it is the operating ground for the fuel pump. HEAT SHRINK TUBING MUST BE USED OVER 7. Install the fuel tank in the vehicle as outlined in ALL SOLDERED CONNECTIONS MADE PRIOR the appropriate Service or Workshop Manual. TO THIS TSB. USE SUFFICIENT TUBING (ABOUT 50mm (2 )) OF THE SPECIFIED TYPE PART NUMBER PART NAME TO ENTIRELY COVER EACH SOLDERED F1PZ-18B925-A Radio Frequency Interference (RFI) CONNECTION AND SHRINK APPROPRIATELY Filter TO PREVENT EXPOSURE OF THE S101 Bundling Strap CONNECTIONS. F5AZ-14A099-AA Heat Shrink Tubing OTHER APPLICABLE ARTICLES: , FOR SOME VEHICLES WITH EXTREMELY LONG FUEL PUMP GROUND WIRE CIRCUITS, IT MAY SUPERSEDES: BE NECESSARY TO SHORTEN THE GROUND WARRANTY STATUS: Eligible Under The WIRE TO A POINT CLOSE TO THE FUEL TANK. Provisions Of Bumper To IF THE GROUND IS MOVED, BE SURE IT IS Bumper Warranty Coverage SECURE AND PROTECTED FROM CORROSION OPERATION DESCRIPTION TIME SINCE IT IS THE OPERATING GROUND FOR AA Diagnose And Install RFI 2.1 Hrs. THE PUMP. CHECK SERVICE LITERATURE Filter ( (EVTM, ETC.) FOR GROUND LOCATIONS. Thunderbird Super Coupe) WARNING AB Diagnose And Install RFI 2.1 Hrs. ALL SOLDERING AND HEAT SHRINKING MUST Filter ( BE COMPLETED AWAY FROM THE FUEL TANK Thunderbird/Cougar 5.0L AREA. USE A SOLDERING IRON ONLY FOR HO) SOLDERING AND HEAT GUN ONLY FOR AC Diagnose And Install RFI 2.1 Hrs. APPLYING SHRINK TUBING. Filter ( Thunderbird/Cougar 4.6L 4. Secure the RFI filter to the fuel pump and MFI) sender assembly with a Bundling Strap AD Diagnose And Install RFI 1.9 Hrs. (95873-S101) to prevent rattling in the tank, Filter ( Figures 1 and 2. Thunderbird/Cougar 3.8L) BA Diagnose And Install RFI 1.4 Hrs. Reinstall the fuel pump sender assembly into Filter ( the fuel tank. Taurus/Sable) CAUTION BB Diagnose And Install RFI 1.4 Hrs. Filter ( INSTALL NEW GASKETS WHEN REINSTALLING Taurus/Sable) SENDER TO PREVENT LEAKS. REFER TO THE BC Diagnose And Install RFI 1.4 Hrs. PARTS CATALOG FOR PROPER APPLICATIONS. Filter (2001 Taurus/Sable) CA Diagnose And Install RFI 1.2 Hrs. Filter ( Crown Victoria/Grand Marquis, Town Car) PAGE 3

4 010703CB Diagnose And Install RFI 1.6 Hrs LF Diagnose And Install RFI 1.6 Hrs. Filter ( Crown Filter ( Victoria/Grand Marquis, Econoline - With Dual Town Car) Tanks (Front)) CC Diagnose And Install RFI 1.9 Hrs LT Diagnose And Install RFI 2.6 Hrs. Filter ( Town Filter ( Car) Econoline - With Dual CD Diagnose And Install RFI 2.2 Hrs. Tanks (Both)) Filter ( Crown L Diagnose And Install RFI 1.6 Hrs. Victoria/Grand Marquis) Filter ( DA Diagnose And Install RFI 1.7 Hrs. Econoline - Single Tank) Filter ( Mustang) MA Diagnose And Install RFI 2.0 Hrs EA Diagnose And Install RFI 1.6 Hrs. Filter ( Bronco) Filter ( NA Diagnose And Install RFI 1.8 Hrs. Tempo/Topaz) Filter ( Explorer) FA Diagnose And Install RFI 1.5 Hrs NB Diagnose And Install RFI 1.5 Hrs. Filter ( Mark VII) Filter ( Explorer) FB Diagnose And Install RFI 2.0 Hrs NC Diagnose And Install RFI 1.5 Hrs. Filter ( Mark VIII Filter ( LSC) Mountaineer) FC Diagnose And Install RFI 2.5 Hrs PA Diagnose And Install RFI 1.4 Hrs. Filter ( Mark VIII Filter ( Windstar) Base) RA Diagnose And Install RFI 1.9 Hrs GA Diagnose And Install RFI 1.5 Hrs. Filter ( Villager) Filter ( SA Diagnose And Install RFI 1.7 Hrs. Continental) Filter ( GB Diagnose And Install RFI 1.5 Hrs. Expedition) Filter ( SB Diagnose And Install RFI 1.7 Hrs. Continental) Filter ( HA Diagnose And Install RFI 1.6 Hrs. Navigator) Filter (1990 Escort) TA Diagnose And Install RFI 1.3 Hrs HB Diagnose And Install RFI 0.8 Hr. Filter ( Ranger Filter ( Standard Cab) Escort/Tracer) TB Diagnose And Install RFI 1.8 Hrs HC Diagnose And Install RFI 1.6 Hrs. Filter ( Ranger Filter ( Super Cab) Escort/Tracer) TC Diagnose And Install RFI 1.6 Hrs JA Diagnose And Install RFI 0.8 Hr. Filter ( Ranger Filter (1997 4X2) Contour/Mystique) TD Diagnose And Install RFI 1.8 Hrs JB Diagnose And Install RFI 1.8 Hrs. Filter ( Ranger Filter ( X4) Contour/Mystique) VA Diagnose And Install RFI 1.5 Hrs KA Diagnose And Install RFI 0.8 Hr. Filter ( Aerostar) Filter ( Probe) WA Diagnose And Install RFI 1.9 Hrs KB Diagnose And Install RFI 1.8 Hrs. Filter (1990 Bronco II) Filter ( Probe) XB Diagnose And Install RFI 1.4 Hrs LB Diagnose And Install RFI 1.5 Hrs. Filter ( Filter ( F-150/250/350/Super Duty Econoline - With Dual (Rear) And 1997 Tanks (Rear)) F-350/Super Duty (Rear)) LC Diagnose And Install RFI 1.6 Hrs XC Diagnose And Install RFI 1.6 Hrs. Filter ( Filter ( Econoline) Excursion) PAGE 4

5 010703XF Diagnose And Install RFI 1.3 Hrs X Diagnose And Install RFI 1.6 Hrs. Filter ( Filter ( Super F-150/250/350/Super Duty Duty F-Series) (Front) And 1997 DEALER CODING F-350/Super Duty (Front)) CONDITION XL Diagnose And Install RFI 0.8 Hrs. BASIC PART NO. CODE Filter (2001 Escape) 18B XT Diagnose And Install RFI 2.1 Hrs. OASIS CODES: , , , , Filter ( F-150/250/350/Super Duty (Both) And 1997 F-350/Super Duty (Both)) PAGE 5

6 Figure 1 - Article PAGE 6

7 Figure 2 - Article PAGE 7

CONTINENTAL TOWN CAR NAVIGATOR 2002 BLACKWOOD

CONTINENTAL TOWN CAR NAVIGATOR 2002 BLACKWOOD FUEL SYSTEM FUEL PUMP Article No. WHINING / BUZZING NOISE COMES THROUGH 02-16-4 ENTERTAINMENT OR TWO-WAY RADIO SPEAKER RADIO ENTERTAINMENT OR TWO-WAY COMMUNICATION WHINING / BUZZING NOISE IN SPEAKERS CAUSED