1998 Jeep Wrangler Service and Repair Manual
The 1998 Jeep Wrangler factory service and repair manual is matched to this exact model year and to both the 2.5L I4 and the 4.0L I6, across all three trims. Because it is tied to the 1998 build rather than a nearby year, every specification and procedure stays correct for your engine and trim.
Engines
- 2.5L I4 — 150 cu in, OHV
- 4.0L I6 — 242 cu in, OHV
Trims
- SE
- Sahara
- Sport
Known issues on the 1998 Wrangler. Three recalls are on federal record for this model year: a hydraulic service-brake fault where a loss of brake fluid can lower brake-line pressure and increase stopping distance, an equipment defect that could strike and injure persons outside the vehicle, and a fuel-delivery fuel-pump leak that could result in a fire in the presence of an ignition source. Owners have filed 401 complaints and Jeep has issued 67 technical service bulletins for the year.
From a routine service interval to a sensor diagnosis or a hard-to-trace wiring fault, it keeps you on the OEM procedure and the correct specification for your specific 1998 Wrangler.
CERTAIN AFTERMARKET BRAKE HYDRAULIC MASTER CYLINDERS SOLD AS REPLACEMENT BRAKE CYLINDERS FOR CERTAIN FORD, DAIMLERCHRYSLER, AND JEEP PASSENGER VEHICLES. THESE BRAKE CYLINDERS WERE SOLD UNDER THE BRAND NAMES OF NAPA, RAYBESTOS, AIMCO, AC DELCO, CARQUEST, BENDIX, AND WAGNER. ONLY PRODUCTS THAT WERE MANUFACTURED FROM JULY 27, 2005 THROUGH JANUARY 17, 2006 (DATE CODES 0529 THROUGH 0602) ARE SUBJECT TO THIS RECALL. WHEN SUBJECT TO VERY COLD TEMPERATURES, AN INTERNAL SEAL IN THE MASTER CYLINDER COULD LOSE FLEXIBILITY AND MAY CAUSE BRAKE FLUID TO LEAK.
LOSS OF BRAKE FLUID CAN LEAD TO A DECREASE IN BRAKE LINE PRESSURE AND AN INCREASE IN STOPPING DISTANCE, WHICH CAN RESULT IN A VEHICLE CRASH.
AFFINIA (BRAKE PARTS, INC.) WILL REPLACE THE SUBJECT BRAKE HYDRAULIC MASTER CYLINDERS FREE OF CHARGE. THE RECALL BEGAN ON MARCH 20, 2006. OWNERS CAN CONTACT AFFINA GROUP CUSTOMER SERVICE AT 1-800-323-0354.
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.
CERTAIN AFTERMARKET AIRTEX ELECTRIC FUEL PUMPS INSTALLED FOR USE AS REPLACEMENT EQUIPMENT FOR CERTAIN 1997-2004 JEEP WRANGLER; 1997-2001 JEEP CHEROKEE; 1997-2004 JEEP GRAND CHEROKEE; AND 2000-2003 DODGE DAKOTA VEHICLES. THE PLASTIC ELECTRICAL GROMMET CONNECTORS AT THE TOP OF THE FUEL PUMP MODULE ARE NOT COMPATIBLE WITH AUTOMOTIVE FUELS AND MAY DEGRADE CAUSING A POTENTIAL LEAK PATH FOR FUEL.
IN THE PRESENCE OF AN IGNITION SOURCE, A FUEL LEAK COULD RESULT IN A FIRE.
AIRTEX WILL NOTIFY ITS CUSTOMERS AND WILL REPLACE THE AFFECTED FUEL PUMPS FREE OF CHARGE. THE RECALL BEGAN ON JANUARY 25, 2006. OWNERS MAY CONTACT AIRTEX CUSTOMER SERVICE DEPARTMENT AT 1-800-880-3056.
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.
VEHICLE DESCRIPTION: MULTI-PURPOSE PASSENGER VEHICLES. THE POWER BRAKE BOOSTER VACUUM RESERVOIR DIAPHRAGM CAN SPLIT OR TEAR.
THIS CAN CAUSE AN INCREASE IN ENGINE IDLE SPEED AND A LOSS OF POWER ASSIST DURING BRAKE APPLICATION WITHOUT PRIOR WARNING.
DEALERS WILL INSPECT THE BRAKE BOOSTER DATE CODE AND ANY BOOSTERS WITH THE SUSPECT MANUFACTURING DATE RANGE WILL BE REPLACED.
VEHICLE DESCRIPTION: MULTI-PURPOSE PASSENGER VEHICLE. THE FRONT SEAT BELT SHOULDER TURNING LOOP ANCHORS WERE NOT PROPERLY HEAT TREATED AND ARE NOT PROPERLY HARDENED.
IN THE EVENT OF A VEHICLE CRASH, THE FRONT SEAT OCCUPANT MAY NOT BE PROPERLY RESTRAINED INCREASING THE RISK OF SERIOUS INJURY.
DEALERS WILL REPLACE THE FRONT SEAT SHOULDER BELT TURNING LOOP ON THESE VEHICLES.
KEY, Master If replacing the key/FOBIK on a WJ, KJ, TJ, or PT Cruiser, use the "AC" NIC level part number. The "AB" NIC level will not program to these platforms. For all other platforms, if the "AB" NIC level will not program to the vehicl
KEY, Master If replacing the key/FOBIK on a WJ, KJ, TJ, or PT Cruiser, use the "AC" NIC level part number. The "AB" NIC level will not program to these platforms. For all other platforms, if the "AB" NIC level will not program to the vehicl
Valve Body. These may cause over drive cycling.
Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are neces
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
Use of Aftermarket Parts This bulletin involves discussing FCA US LLC position with regard to collision repair industry awareness regarding the use of aftermarket parts.
Repair Parts Used For Structural Repairs This bulletin involves discussing FCA US LLC position with regard to structural repair parts usage.
Showing the 8 most recent of 75 technical service bulletins on file with NHTSA.
WHILE DRIVING ON RT 84 IN NEW YORK STATE STEERING WENT OUT CAUSEING THE JEEP TO BE THROWN ACROSS THREE LANES OF THE INTERSTATE.THE JEEP THEN ROLLED OVER DOWN THE MEDIUM STRIP. DRIVER WAS EJECTED FROM JEEP THE OTHER THREE PASSENGERS REMIANED IN JEEP SUSTIANING BRUISES. AIRGAGS NEVER DEPLOYED WHILE JEEP WAS ROLLING OVER.
DRIVER HIT A BERM OF ROCK/SAND AT APPROX. 30 MPH, RIGHT FRONT OF JEEP, THE SEAT BELT AROUND THE DRIVER'S WAIST HELD, BUT THE BELT OVER THE DRIVER'S SHOULDER DID NOT HOLD, THE DRIVER'S FACE HIT THE MIDDLE OF THE DASHBOARD AND BROKE THREE TEETH THAT HAD TO BE REMOVED.ALSO, AIRBAG'S DID NOT DEPLOY.
THE JEEP WAS IN PARK WHEN I GOT OUT TO MAIL A LETTER. I LEFT MY DRIVERS SIDE DOOR OPEN. THE JEEP SLIPPED OUT OF PARK AND KNOCKED ME DOWN. NEXT , THE OPEN DOOR SMASHED OUR MAILBOX INTO ME. THE JEEP PROCEEDED UP THE STREET, WHERE I COLLECTED MYSELF AND RAN AFTER IT. FORTUNATELY, I WAS ABLE TO JUMP IN AND STOP IT, AND NO ONE WAS BEHIND ME. THE DOOR WAS COMPLETELY WRAPPED AROUND TO THE QUARTER PANEL BECAUSE OF HITTING THE MAILBOX.*AK
AFTER APPLYING BRAKES ON RAINSLICK ROAD VEHICLE HYDROPLANED INTO THE REAREND OF A PICKUP. I HIT THE STEERING WHEEL TWICE BEFORE THE SEATBELT 'CAUGHT'.... 2 BROKEN TEETH, BRAIN TRAUMA & CONCUSSION, MANGLED SPINE/SURGERY PENDING. FIRST ACCIDENT. NO ONE WILL CLAIM LIABILITY FOR THE SEATBELT NOT WORKING AND THE AIRBAG HAS BEEN TREATED AS A NON-ISSUE. MY JEEP HAS BEEN 'REPAIRED' SANS SEATBELT.... DAIMLER-CHRYSLER INVESTIGATION PENDING. ALL I ASKED, IN THE BEGINNING, WAS FOR MY SEATBELT TO BE REPLACED
NO DEPLOYMENT OF AIR BAG DURING VEHICLE COLLISION, RESULTING IN NECK, BACK AND SHOULDER INJURIES. QCAW
FRONT CRASH AT 30-40 MPH, NEITHER AIRBAG DEPLOYED. DRIVER SUSTAINED INJURIES. *AK
WHILE DRIVING IT WAS RAINING AND SOMEONE CUT IN FRONT OF CONSUMER VEHICLE, CAUSING CONSUMER TO HIT THE OTHER VEHICLE. UPON IMPACT, AIRBAGS DIDN'T DEPLOY. *AK
WHEELS LOCKED UP WHILE IN FOUR WHEEL DRIVE IN ICE CONDITIONS, RESULTING IN VEHICLE ACCIDENT.
VEHICLE HAS BEEN IN FOR REPAIR THREE OCCASSIONS FOR AIR BAG REPAIR AND WAITING FOR PARTS ON LAST REPAIR, HOWEVER DURING ACCIDENT DURING WAITING PERIOD VEHICLE EXPERIENCED NO DEPLOYMENT OF AIR BAG AND SEAT BELT FAILURE RESULTING IN HEAD INJURY TO DRIVER.
MY SON WAS KILLED WHEN THE 98 JEEP WRANGLER LOST CONTROL AND FLIPPED. THE AIR BAGS DID NOT DEPLOY. I HAVE NOTICED THAT THIS HAS BEEN AN ISSUE SINCE THIS VEHICLE WAS BUILT IN 1998. MANY COMPLAINTS SINCE THE YEAR OF 1998 AND NO RECALL OR FIX? *TR
WHILE DRIVING AT 35 MPH ANOTHER VEHICLE HIT THE CONSUMER FROM THE BACK, CAUSING THE CONSUMER TO HIT THE VEHICLE IN FRONT OF HER, AND DRIVER'S SIDE AIR BAG AND PASSENGER'S AIR BAGS DIDN'T DEPLOY. *AK
VEHICLE WAS INVOLVED IN A REAR END COLLISION AT 25-30 MPH. UPON IMPACT, BOTH FRONTAL AIR BAGS DID NOT DEPLOY. DEALER / MANUFACTURER WERE NOT NOTIFIED AT THIS TIME. PLEASE FEEL FREE TO PROVIDE ANY FURTHER DETAILS ON THIS MATTER. *AK
CONSUMER WAS TRAVELING 60MPH ON HIGHWAY AND THERE WAS A LOUD BANG. THEN, VEHICLE VEERED TO LEFT. A CLICKING NOISE CAME ABOUT AFTER INCIDENT. DEALERSHIP WAS AWARE OF PROBLEM. *AK
DRIVER LOST CONTROL OF THE STEERING DUE TO A MALFUNCTION OF THE U BOLT THAT CAUSED THE I BEAM TO BREAK. DRIVER RAN INTO A TRUCK. DEALER HAS NOT SEEN VEHICLE. *AK
THE VEHICLE WAS IN PARK, WHEN ALL OF A SUDDEN IT ROLLED BACKWARDS AND CAUSED AN ACCIDENT. *MR *JB
Showing the 15 most serious of 271 complaints filed with NHTSA.
