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Service bulletins for the 1991 Ford Ranger

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

55 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
982461999-03-16. Service bulletin. ELECTRICAL SYSTEM. FORD MOTOR COMPANY HAS RELEASED A NEW ELECTRICAL GREASE ( F8AZ - 19G208-AA ) TO REDUCE THE POSSIBILITY OF MOISTURE CORROSION AT THE TERMINALS. *YC
9823101999-03-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. MASS AIR FLOW (MAF)- SENSOR CONTAMINATION- SERVICE TIP. *AK
98641998-07-21. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. INFORMATION ON A BUZZING OR RATTLE NOISE FROM THE EXHAUST SYSTEM. *TT
98521998-07-17. Service bulletin. TIRES. INFORMATION ON TIRE COMPANY TELEPHONE NUMBERS FOR CUSTOMER ASSISTANCE. *YC
98481998-07-16. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. ANNOUNCING THE FORD OEM AIR CONDITIONING RETROFIT KIT AVAILABILITY. *YC
98881998-07-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION ON A NEW TRANSMISSION FLUID USAGE CHART. *YC
985A361998-06-23. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS. A GRABBING AND/OR STICKING CONDITION DURING THE FIRST FEW BRAKE APPLICATIONS WHEN THE BRAKES ARE COLD OR IN THE MORNING AFTER AN OVERNIGHT RAIN MAY OCCUR ON SOME VEHICLES. *YC
985A221998-06-19. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. A COMPREHENSIVE PULL AND DRIFT DIAGNOSTIC PROCEDURE HAS BEEN DEVELOPED TO ASSIST TECHNICIANS WITH VEHICLE SERVICE. *YC
985A131998-06-17. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC. THE USE OF PETROLEUM-BASED GREASE AS A LUBRICANT IN SERVICING DISC BRAKES IS NO LONGER ACCEPTABLE. *YC
9711109723121998-03-30. Service bulletin. POWER TRAIN:DRIVELINE. CONCERNS WITH "PINGING" OR "CREAKING" BEING HEARD FROM THE DRIVELINE WHEN SHIFTING FROM PARK TO DRIVE OR REVERSE, BETWEEN DRIVE AND REVERSE, OR WHEN ENGAGING THE CLUTCH. *YC
BC23619705011997-09-12. Service bulletin. UNKNOWN OR OTHER. AUTHORIZED WARRANTY PART REPLACEMENT OF BRAKE PADS TO CORRECT EXCESSIVE BRAKE NOISE. *TW
97681997-07-17. Service bulletin. UNKNOWN OR OTHER. FUEL ECONOMY- CUSTOMER EXPECTATIONS VERSUS VEHICLE USAGE. *JD
975111997-07-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. FLUID- TRANSMISSION FLUID USAGE CHARTS. *JD
97471997-06-27. Service bulletin. STRUCTURE. FRAME- RIVET REPLACEMENT WITH BOLTS- SERVICE TIPS. *JD
BC10199972301997-06-27. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. 4.0L EQUIPPED VEHICLES MAY EXPERIENCE TEMPERATURE GAUGE FLUCTUATION THAT MAY BE ACCOMPNIED WITH A THUMPING NOISE OR FEEL IN THE COOLANT HOSES WITH THE ENGINE AT NORMAL OPERATING TEMPERATURE. *JD
BC34859723011997-06-27. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. 4.0L EQUIPPED VEHICLES MAY EXPERIENCE TEMPERATURE GAUGE FLUCTUATION THAT MAY BE ACCOMPANIED WITH A THUMPING NOISE OR FEEL IN THE COOLANT HOSE WITH THE ENGINE AT NORMAL OPERATING TEMPERATURE. *JD
9626121997-06-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. TRANSAXLE - TORQUE CONVERTER REPLACEMENT GUIDELINES AND TORQUE CONVERTER/TRANSAXLE COOLING SYSTEM CLEANING PROCEDURES - SERVICE TIP. *TW
962211997-06-17. Service bulletin. VISIBILITY:WINDSHIELD. WINDSHIELD AND INTERIOR GLASS - FOG/FILM. *TW
9624171997-06-17. Service bulletin. POWER TRAIN:DRIVELINE. NOISE - PINGING OR CREAKING FROM DRIVELINE WHEN VEHICLE IS PUT INTO GEAR. *TW
962491997-06-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. TORQUE CONVERTER - LEAK TEST PROCEDURE - SERVICE TIP. *TW
962461997-06-17. Service bulletin. ELECTRICAL SYSTEM:WIRING. WIRING - ELECTRICAL DIODE IDENTIFICATION AND SERVICE REPLACEMENTS. *TW
952121996-04-25. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. THE USE OF PETROLEUM-BASED GREASE AS A LUBRICANT IN SERVICING DISC BRAKES IS NO LONGER ACCEPTABLE BECAUSE IT MAY BE INCOMPATIBLE WITH THE RUBBER MATERIAL USED IN THE DISC BRAKE SYSTEM. IF PETROLEUM-BASED GREASE IS USED TO LUBRICATE ANY PART OF THE DISC BRAKE SYSTEM, IT COULD CAUSE RUBBER PARTS TO SWELL IF LUBRICANT CONTACTS THE RUBBER MATERIAL.
BC01319601021996-04-25. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. 4X4 FRONT AXLES MUST USE HYPOID 4X4 GEAR OIL P/N F1TZ-19580-A & HIGH TEMP 4X4 FRONT AXLE & WHEEL BEARING GREASE WHEN SERVICING. IT IS NOT RECOMMENDED TO USE HEAVIER WEIGHT LUBES IN THESE FRONT AXLES.
951531996-04-25. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. TEMPERATURE GAUGE - FLUCTUATING AND /OR INACCURATE HIGH READINGS. *SD
BC13509509061996-04-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. HIGH ALTITUDE TRANSMISSION AVAILABLE. *TW

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.