1986 Ford Bronco II Service and Repair Manual
The 1986 Ford Bronco II service and repair manual is a detailed, OEM-style reference for diagnostics, maintenance, and repair work. Use it to verify procedures, specifications, and system information before you start a job.
You'll find coverage across key vehicle systems with clear section structure, including wiring diagrams and powertrain, braking, steering, suspension, HVAC, and electrical topics. Digital format makes it easy to search while you work.
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THE ELECTRONIC ENGINE CONTROL WIRING HARNESS INSULATION MAY BE DAMAGED DUE TO COPPER SPIKES PRODUCED DURING THE WELDING OF ITS WIRES. THIS CREATES A POTENTIAL FOR A SHORT CIRC
REPAIR WIRING HARNESS, CHECK ENGINE AND CATALYST FOR DAMAGE.
NYLON FUEL LINES ON THE FUEL RETURN SIDE OF THE FUEL PRESSURE REGULATOR ASSEMBLY MAY CRACK.
REPLACE NYLON FUEL HOSES WITH RUBBER HOSES.
SPRING LOCK FUEL LINE COUPLING MAY NOT BE PROPERLY ENGAGED.
COUPLING COULD DISENGAGE DUE TO FUEL PRESSURE,VIBRATION, AND ENGINE MOVEMENTS; THIS WOULD
INSTALL RETAINER CLIPS OVER THE COUPLINGS TO PREVENT COUPLING SEPARATION AND FUEL LEAKAGE.
WIRING FOR THE POWER LUMBAR SEAT SYSTEM WAS ROUTED DIRECTLY BENEATH THE SEAT CUSHION SPRINGS AND MAY BE ABRADED BY THE SPRINGS.
THIS COULD RESULT IN A SHORT CIRCUIT WHICH MAY CREATESUFFICIENT HEAT TO START A FIRE IN TH
INSTALL A FUSE WITHIN THE POWER LUMBAR ELECTRICAL CIRCUIT.
SOME VEHICLES MAY EXHIBIT HEATER CORE LEAKS. *SLC
INFORMATION REGARDING TRANSMISSION FLUID USAGE CHARTS. *SLC
SUBJECT REGARDING CONTAMINATION FROM PRIOR TRANSMISSION CONCERNS OR EXCESS WEAR MAY BE TRAPPED IN THE TRANSMISSION FLUID COOLING SYSTEM. *TT
INFORMATION ON THE NEW FLUSH AND FILL TOOL AVAILABLE THROUGH ROTUNDA. *TT
INFORMATION REGARDING THE NEW TRANSMISSION COOLER FLUSHER- SERVICE TIP. *MJS
INFORMATION ON IDENTIFYING NON-APPROVED / ALTERNATE REFRIGERANTS WHICH COULD CAUSE SAFETY, AND PERFORMANCE CONCERNS IF INSTALLED IN FORD A/C SYSTEMS. *TT
SUBJECT ON A WIRE HARNESS TERMINAL REPAIR KIT AVAILABLE FOR REPAIRING ELECTRICAL WIRING HARNESSES. *TT
SUBJECT REGARDING A NEW SERVICE CENTER SUPPORT THAT USES A THRUST BEARING (#3 AND #4) IN PLACE OF THRUST WASHERS HAS BEEN RELEASED. *TT
Showing the 8 most recent of 18 technical service bulletins on file with NHTSA.
TL* THE CONTACT OWNS A 1986 FORD BRONCO II EQUIPPED WITH TERRA TRACK HERCULES TOURING TIRES, SIZE: P235 75/R15 MS. THE CONTACT STATED THAT WHILE TRAVELING 60 MPH THE VEHICLE STARTE
ACCELERATOR PEDAL STUCK TO FLOOR, VEHICLE ACCELERATED, RESULTING IN LOSS OF CONTROL/CRASH AND INJURIES. ALSO, BRAKES FAILED AND UPON IMPACT, SEAT BELT FAILED TO LOCK. *AK
ACCELERATOR PEDAL STUCK TO FLOOR, VEHICLE ACCELERATED, RESULTING IN LOSS OF CONTROL/CRASH AND INJURIES. ALSO, BRAKES FAILED AND UPON IMPACT, SEAT BELT FAILED TO LOCK. *AK
ACCELERATOR PEDAL STUCK TO FLOOR, VEHICLE ACCELERATED, RESULTING IN LOSS OF CONTROL/CRASH AND INJURIES. ALSO, BRAKES FAILED AND UPON IMPACT, SEAT BELT FAILED TO LOCK. *AK
Showing the 4 most serious of 40 complaints filed with NHTSA.
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