1991 Ford Ranger TSBs

SOME VEHICLES EQUIPPED WITH AN AUTOMATIC TRANSMISSION AND A 4.0L OHV ENGINE MAY EXHIBIT A NOISE / VIBRATION, NO DRIVE,...

SOME VEHICLES EQUIPPED WITH THE 4.0L OHV ENGINE MAY EXHIBIT AN ENGINE NOISE WHICH MAY BE PERCEIVED BY THE CUSTOMER AS A...

ON SOME VEHICLES, ENGINE OIL MAY CONTINUE TO LEAK FROM THE ENGINE OIL PAN GASKET AREA AFTER AN ENGINE OIL PAN GASKET REPAIR HAS BEEN PERFORMED.

SOME VEHICLES EQUIPPED WITH MANUAL TRANSMISSION MAY EXHIBIT NEUTRAL GEAR ROLLOVER NOISE (A LIGHT METALLIC RATTLING SOUND...

SOME VEHICLES MAY EXHIBIT AN AUDIBLE PINGING OR CREAKING NOISE THAT MAY BE HEARD FROM THE DRIVELINE WHEN ENGINE TORQUE...

VEHICLES EQUIPPED WITH MANUAL TRANSMISSION MAY EXHIBIT NEUTRAL GEAR ROLLOVER NOISE WHICH OCCURS AT IDLE WITH...

SOME VEHICLES MAY EXHIBIT AN ENGINE NOISE WHICH MAY BE PERCEIVED BY THE CUSTOMER AS A PISTON / CONNECTING ROD BEARING KNOCK.

SOME VEHICLES MAY EXHIBIT AN ENGINE NOISE WHICH MAY BE PERCEIVED BY THE CUSTOMER AS A PISTON / CONNECTING ROD BEARING KNOCK.

FORD MOTOR COMPANY NOW RECOMMENDS SAE 5W-30 VISCOSITY GRADE FOR SERVICING ANY FORD GASOLINE-POWERED VEHICLE REGARDLESS OF MODEL YEAR.

FORD MOTOR COMPANY HAS RELEASED A NEW ELECTRICAL GREASE ( F8AZ - 19G208-AA ) TO REDUCE THE POSSIBILITY OF MOISTURE CORROSION AT THE TERMINALS.

4.0L EQUIPPED VEHICLES MAY EXPERIENCE TEMPERATURE GAUGE FLUCTUATION THAT MAY BE ACCOMPNIED WITH A THUMPING NOISE OR FEEL...

4.0L EQUIPPED VEHICLES MAY EXPERIENCE TEMPERATURE GAUGE FLUCTUATION THAT MAY BE ACCOMPANIED WITH A THUMPING NOISE OR...

COOLING SYSTEM-PULSATING COOLANT FLOW-NOISE-KNOCK/THUMP - AUDIBLE IN PASSENGER COMPARTMENT.

A KNOCKING/THUMPING NOISE MAY BE AUDIBLE IN THE PASSENGER COMPARTMENT ON SOME VEHICLES DUE TO STEAM FORMATION IN THE COOLING SYSTEM.

SPECIAL FIELD ACTION - 94L04 - RANGERS EQUIPPED WITH 2.3L DUAL SPARK PLUG ENGINES, MAY NOT HAVE HAD THE SPARK PLUGS CHANGED AT THE PROPER INTERVAL.

INFORMATION REGARDING TRANSMISSION FLUID USAGE CHARTS.

SUBJECT REGARDING CONTAMINATION FROM PRIOR TRANSMISSION CONCERNS OR EXCESS WEAR MAY BE TRAPPED IN THE TRANSMISSION FLUID COOLING SYSTEM.

INFORMATION REGARDING THE NEW TRANSMISSION COOLER FLUSHER- SERVICE TIP.

INFORMATION ON A NEW TRANSMISSION FLUID USAGE CHART.

CONCERNS WITH "PINGING" OR "CREAKING" BEING HEARD FROM THE DRIVELINE WHEN SHIFTING FROM PARK TO DRIVE OR REVERSE,...

FLUID- TRANSMISSION FLUID USAGE CHARTS.

TRANSAXLE - TORQUE CONVERTER REPLACEMENT GUIDELINES AND TORQUE CONVERTER/TRANSAXLE COOLING SYSTEM CLEANING PROCEDURES - SERVICE TIP.

NOISE - PINGING OR CREAKING FROM DRIVELINE WHEN VEHICLE IS PUT INTO GEAR.

TORQUE CONVERTER - LEAK TEST PROCEDURE - SERVICE TIP.

4X4 FRONT AXLES MUST USE HYPOID 4X4 GEAR OIL P/N F1TZ-19580-A & HIGH TEMP 4X4 FRONT AXLE & WHEEL BEARING GREASE WHEN SERVICING.

HIGH ALTITUDE TRANSMISSION AVAILABLE.

INFORMATION ON THE NEW FLUSH AND FILL TOOL AVAILABLE THROUGH ROTUNDA.

CONCERNS WITH AXLE WIND-UP AND / OR CLUNKING, POPPING, RATCHETING TYPE NOISES WHEN MAKING CORNERING MANEUVERS.

RECOMMENDED GUIDELINES FOR TOWING BEHIND RECREATIONAL VEHICLES.

TEMPERATURE GAUGE - FLUCTUATING AND /OR INACCURATE HIGH READINGS.

UNKNOWN

OWNER NOTIFICATION PROGRAM SUPPLEMENT 7 REVISED INFORMATION - REGARDING REPLACEMENT OF WILDERNESS AT TIRES.

INFORMATION ON MAINTAINING TIRE PRESSURE.

SOME VEHICLES MAY EXPERIENCE AXLE WIND UP AND / OR CLUNKING, POPPING, RATCHETING TYPE NOISES WHEN MAKING CORNERING...

INFORMATION ON TIRE COMPANY TELEPHONE NUMBERS FOR CUSTOMER ASSISTANCE.

SERVICE TIP INFORMATION ON REVISED OIL PAN GASKET REPLACEMENT PROCEDURE.

INFORMATION REGARDING COMPREHENSIVE PULL AND DRIFT DIAGNOSTIC PROCEDURE DEVELOPED TO ASSIST TECHNICIANS WITH VEHICLE SERVICE.

A COMPREHENSIVE PULL AND DRIFT DIAGNOSTIC PROCEDURE HAS BEEN DEVELOPED TO ASSIST TECHNICIANS WITH VEHICLE SERVICE.

FRAME- RIVET REPLACEMENT WITH BOLTS- SERVICE TIPS.

SUBJECT ON A WIRE HARNESS TERMINAL REPAIR KIT AVAILABLE FOR REPAIRING ELECTRICAL WIRING HARNESSES.

MASS AIR FLOW (MAF)- SENSOR CONTAMINATION- SERVICE TIP.

WIRING - ELECTRICAL DIODE IDENTIFICATION AND SERVICE REPLACEMENTS.

VEHICLES MAY HAVE A DISCONNECT OF THE IGNITION CONTROL MODULE (ICM) CONNECTOR OR MOISTURE BUILDUP WITHIN THE CONNECTOR.

A GRABBING AND/OR STICKING CONDITION DURING THE FIRST FEW BRAKE APPLICATIONS WHEN THE BRAKES ARE COLD OR IN THE MORNING...

THE USE OF PETROLEUM-BASED GREASE AS A LUBRICANT IN SERVICING DISC BRAKES IS NO LONGER ACCEPTABLE.

AUTHORIZED WARRANTY PART REPLACEMENT OF BRAKE PADS TO CORRECT EXCESSIVE BRAKE NOISE.

THE USE OF PETROLEUM-BASED GREASE AS A LUBRICANT IN SERVICING DISC BRAKES IS NO LONGER ACCEPTABLE BECAUSE IT MAY BE...

SOME VEHICLES MAY EXHIBIT HEATER CORE LEAKS.

INFORMATION ON IDENTIFYING NON-APPROVED / ALTERNATE REFRIGERANTS WHICH COULD CAUSE SAFETY, AND PERFORMANCE CONCERNS IF INSTALLED IN FORD A/C SYSTEMS.

ANNOUNCING THE FORD OEM AIR CONDITIONING RETROFIT KIT AVAILABILITY.

EXPERIENCING A WHINE / BUZZ TYPE NOISE IN THE SPEAKERS OF THE ENTERTAINMENT RADIO OR TWO-WAY RADIO ON VEHICLES WITH AN IN-TANK ELECTRIC FUEL PUMP.

INFORMATION ON A BUZZING OR RATTLE NOISE FROM THE EXHAUST SYSTEM.

FUEL ECONOMY- CUSTOMER EXPECTATIONS VERSUS VEHICLE USAGE.

SUBJECT REGARDING A NEW SERVICE CENTER SUPPORT THAT USES A THRUST BEARING (#3 AND #4) IN PLACE OF THRUST WASHERS HAS BEEN RELEASED.

WINDSHIELD AND INTERIOR GLASS - FOG/FILM.