1993 Jeep Wrangler Service and Repair Manual
This service and repair manual is matched specifically to the 1993 Jeep Wrangler, so it lines up with your exact year, engine, and trim — whether you are working on the 2.5L I4 or the 4.0L I6.
Engines
- 2.5L I4 (150 cu in), OHV
- 4.0L I6 (242 cu in), OHV
Trims
- Base
- Renegade
- S
- Sahara
Known issues on the 1993 Wrangler. Two recalls are on federal record for this model year: an ignition switch fault that can allow an unintended start when the manual transmission is left in a drive gear, and an equipment defect in which the cockpit could strike and injure persons outside the vehicle. Owners have filed 134 complaints and Jeep has issued 13 technical service bulletins for this year.
From a routine service interval to an ignition switch diagnosis, it keeps you on the correct procedure and specification for your specific 1993 Wrangler.
CERTAIN PRO-A MOTORS CORNER LAMPS, TURN SIGNALS, AND HEADLIGHTS SOLD AS REPLACEMENT LAMPS FOR USE ON CERTAIN PASSENGER VEHICLES LISTED ABOVE. SOME COMBINATION LAMPS THAT ARE NOT EQUIPPED WITH AMBER SIDE REFLECTORS FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT.
WITHOUT THE AMBER REFLECTORS, THE VEHICLE WILL BE POORLY ILLUMINATED, POSSIBLY RESULTING IN A VEHICLE CRASH WITHOUT WARNING.
PRO-A MOTORS WILL NOTIFY OWNERS AND OFFER TO REPURCHASE THE LAMPS. THE RECALL BEGAN ON APRIL 3, 2006. OWNERS MAY CONTACT PRO-A MOTORS AT 323-838-2988.
SALT CORROSION PRODUCTS BETWEEN THE STARTER SOLENOID WIRE AND THE ADJACENT BATTERY FEED IN THE BULKHEAD CONNECTOR MAY SHORT THESE CONNECTIONS, CAUSING THE CIRCUIT TO BYPASS THE IGNITION KEY CONTROL OF THE STARTER MOTOR SOLENOID. THE CAR CAN START WITHOUT THE STARTER SEQUENCE BEING INITIATED BY THE IGNITION KEY IN THE IGNITION LOCK.
THE UNINTENDED START OF A VEHICLE WITH A MANUALTRANSMISSION LEFT IN A DRIVE GEAR CAN RESULT IN A RUNAWAY VEHICLE.
THE STARTER SOLENOID WIRING WILL BE SEPARATED FROM THE BATTERY FEED WIRE BY RELOCATING IT WITHIN THE BULKHEAD CONNECTOR ON AFFECTED VEHICLES.
BESTOP AFTERMARKET REAR SHELL ROOF RACKS,MANUFACTURED BETWEEN APRIL 27 AND MAY 20, 2004, DESIGNED FOR USE WITH THE BESTOP HARDTOP MADE FOR THE 1986-1995 AND 1997-2003 JEEP WRANGLER. THE COCKPIT COVER MAY NOT STAY LATCHED TO THE ROOF RACK BECAUSE THE LATCH BRACKET MISPOSITIONS THE ROTARY LATCH TO THE COCKPIT COVER. AS A RESULT, THE COCKPIT COVER MAY NOT STAY LATCHED TO THE ROOF RACK AND COULD SEPARATE FROM THE ROOF RACK. THIS RECALL ONLY PERTAINS TO AFTERMARKET REAR SHELL ROOF RACKS AND HAS NO RELATION TO ANY ORIGINAL EQUIPMENT INSTALLED ON JEEP WRANGLER VEHICLES BY DAIMLERCHRYSLER.
SHOULD THIS OCCUR, THE COCKPIT COULD CAUSE INJURY BY STRIKING PERSONS OUTSIDE THE VEHICLE OR COULD BECOME A DISTRACTION OR AN OBSTACLE TO OTHER DRIVERS, POSSIBLY RESULTING IN A VEHICLE CRASH.
BESTOP WILL NOTIFY ITS CUSTOMERS AND PROVIDE A REPAIR KIT AND INSTALLATION INSTRUCTIONS FREE OF CHARGE. OWNER NOTIFICATION BEGAN JUNE 16, 2004. OWNERS WHO DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT BESTOP CUSTOMER SERVICE DEPARTMENT AT (800) 845-3567.
ON CERTAIN SPORT UTILITY VEHICLES EQUIPPED WITH MANUAL TRANSMISSIONS, THE PARKING BRAKE CAN SELF-RELEASE WITHOUT WARNING.
THIS COULD ALLOW THE VEHICLE TO ROLL AWAY, INCREASING THE RISK OF A CRASH.
DEALERS WILL INSTALL A PARKING BRAKE ASSEMBLY WITH A STRONGER PAWL RETURN SPRING. OWNER NOTIFICATON BEGAN SEPTEMBER 30, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT DAIMLERCHRYSLER AT 1-800-853-1403.
VEHICLE DESCRIPTION: MULTIPURPOSE PASSENGER VEHICLES EQUIPPED WITH PLASTIC FUEL TANKS. THE FUEL TANK SENDING UNIT GASKET CAN CRACK CAUSING FUEL AND FUEL VAPOR LEAKS.
FUEL AND FUEL VAPOR LEAKED FROM THE FUEL TANK CAN RESULT IN FIRE WHEN EXPOSED TO A SOURCE OF IGNITION.
REPLACE THE FUEL TANK SENDING UNIT GASKET.
Valve Body. These may cause over drive cycling.
DIPAP Requirements - Addition of Jeep Wrangler (JL/JK) and Jeep Gladiator (JT) Hard Top and Targa Top Panel Replacements - All Dealers (Rev. A)
Part Description: Insulator on Lever Assy Manual Valve - Valve Body - RWD Transmission Issue Description: The manual valve insulator, attaching rivet and instruction sheet are now available as a kit. If the insulator requires replacement pl
Part Description: Insulator on Lever Assy Manual Valve - Valve Body - RWD Transmission Issue Description: The manual valve insulator, attaching rivet and instruction sheet are now available as a kit. If the insulator requires replacement pl
FLASH PROGRAMMING FAILURE RECOVERY. *SLC
SUBJECT REGARDING WIRE SPLICE REPAIRS. *SB
THIS BULLETIN PROVIDES A REVISED WIRE SPLICE PROCEDURE AND RELATED PARTS. *TT
CONCERNS WITH ENGINE COOLANT USAGE. *NLM
Showing the 8 most recent of 15 technical service bulletins on file with NHTSA.
LEFT REAR AXLE BROKE, CAUSING LOSS OF STEERING AND BRAKING ABILITY. *DH
FRONT PASSENGER SHOULDER HARNESS DID NOT RETAIN OCCUPANT DURING FRONT END-COLLISION 35-50. SUSTAINED HEAD AND MINOR INJRIES. TT
VEHICLE LOSS CONTROL/ROLLED OVER, KILLING DRIVER.
THE JEEP WAS PARKED IN GARAGE AND HAD WORKED OKAY THE DAY BEFORE. I STARTED ENGINE WITH CLUTCH DEPRESSED AND THE VEHICLE RAMMED FORWARD HITTING A DOOR IN THE GARAGE AND NARROWLY MISSING A GAS WATERHEATER. MECHANIC LATER SAID THE CLUTCH BEARING CRACKED (VERY RARE HE CLAIMS). THE CLUTCH WAS RUINED, THE FLYWHEEL AND THE TOTAL COST TO FIX WAS $1200.00. THE DOOR WILL COST $500. THE DANGER FROM HITTING THE WATER HEATER WAS EXTREME AND I WOULD HAVE BEEN TRAPPED IN THE VEHICLE WOULD THERE HAVE BEEN A FI
THE PARKING BRAKE RELEASED ON ITS OWN, CAUSING THE CAR TO ROLL DOWN THE HILL IT WAS PARKED ON AND HIT A LARGE ROCK.*AK
ATTENDED A MOTOCROSS RACE ON 7-07-02 WHERE I HAD TRACKSIDE PARKING WHICH WAS ON A VERY STEEP HILL.PARKED VEHICLE AND LEFT IN FIRST GEAR AND SET PARKING BRAKE.WAS IN VIEW OF VEHICLE FOR MOST OF RACES.NOTED AS RACES PROGRESSED INTO THE AFTERNOON AND MORE PEOPLE ARRIVED THAT THERE WAS SOME SITTING IN FRONT OF VEHICLE(MAYBE 5 OR SO IN LAWN CHAIRS). AS I APPROACHED VEHICLE TO RETRIVE COOLER OUT OF THE REAR,I NOTICED IT ROLLING TOWARD ME I RAN UP THE HILL ( MAYBE 20 FEET OR SO) AND REACHED IN AND CR
ABS BRAKES FAILED TO STOP VEHICLE WHEN APPLIED, CAUSING EXTENDED STOPPING DISTANCE, RESULTING IN REAR END COLLISION AT 25 MPH. TT
VEHICLE WAS PARKED ON A HILL IN REVERSE, ENGINE WAS OFF. SHIFTED LEVER AND IT POPPED INTO NEUTRAL, ROLLING BACKWARDS INTO ANOTHER VEHICLE. *AK CONSUMER STATED THAT THE VEHICLE WAS PARKED WITH EMERGENCY BRAKE ENGAGED AND TRANSMISSION WAS IN REVERSE. THE EMERGENCY BRAKE DISENGAGED AND TRANSMISSION CAME OUT OF REVERSE INTO NEUTRAL DURING THE ACCIDENT. *YH
THEY ARE SAYING THAT MY PARTICULAR JEEP IS NOT WITHIN THE RECALL, BUT MY JEEP IS IN THE SHOP AS WE SPEAK BECAUSE OF THIS BRAKE FAILURE.
PARKING BRAKE HAS FAILED REPEATEDLY LEADING TO A ROLLING ACCIDENT IN 12/2001. NO OTHER ROLL-A-WAYS LEAD TO ACCIDENTS, BUT DID ON SEVERAL OCCASION LEAD TO MINOR DAMAGE. LOCAL DEALER AND FACTORY REPRESENTATIVES HAD NOTHING TO SAVE REGARDING REPAIRS OR LIABILITY. I PERSONALLY KNOW SEVERAL OTHER WRANGLER OWNERS WITH THE SAME PROBLEM AND HAVE ASKED THE TO REPORT TO NHTSA DIRECTLY. PLEASE KEEP ME POSTED ON DEVELOPMENTS. THANKS NORM
ENGINE COMPARTMENT FIRE. TT
ELECTRICAL: NOTICED GAUGE WAS READING ZERO THEN IT CAME UP. NOTICED SMOKE AND FLAMES COMING FROM THE HOOD, VEHICLE STILL RUNNING. PUT THE FIRE OUT, REMOVED TERMINAL FROM BATTERY TO STOP VEHICLE FROM RUNNING.CHECKED CABLES/ALTERNATOR, AND THERE WAS NOTHING WRONG. *AK
GAS TANK RUPTURED/CAUGHT FIRE, CONTRIBUTING TO ABOVE DEATH.
WHILE DRIVING 65 MPH THE VEHICLE WAS ENGULFED IN FLAMES. THE VEHICLE WAS TOTALLED. PLEASE PROVIDE ADDITIONAL INFORMATION.*JB
FUEL VAPOR LINE BECAME DETACHED CAUSING FUEL LEAK IN CLOSE PROXIMITY TO EXHAUST PIPE WHICH CREATED A POTENTIAL FIRE HAZARD. I REPAIRED THIS DEFECT BY USING A CLAMP TO SECURE THE LINE BACK TO FUEL TANK. THERE ARE TWO OF THESE VAPOR LINES THAT ARE ON EACH END OF THE TANK AND THEY ARE NOT SECURED WITH CLAMPS FROM THE FACTORY. WITH THE AGING OF THE RUBBER VAPOR LINE IT CAN BECOME LOSE AND WHEN PRESSURE IN THE FUEL TANK INCREASES IT CAN CAUSE THE ONE OF THE LINES TO POP OFF. THIS RESULTS IN FUEL
Showing the 15 most serious of 124 complaints filed with NHTSA.
