IllustrationENGINE MANIFOLD HAS DEVELOPED A CRACK AT INTERSECTION WHERE THE Y IN BLOCK BECOMES ONE. TOOK TO MECHANIC. PROBLEM HAS NOT BEEN RESOLVED AS OF YET. *AKCONSUMER HAS HAD THE NECESSARY REPAIRS ON THE VEHICLE BUT IS SEEKING REIMBURSEMENT. *JG
1999 Jeep Wrangler
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 1999 Jeep Wrangler do not stand out strongly from the model-year median of 265.
About this comparison →How this year compares
Owner complaints by model year
Compare all Wrangler years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
100–25K
2225–50K
3250–75K
1775–100K
19100–150K
8150K+
108 reports with mileage · 105 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 53 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 50 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Air Bags. Review the 22 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
15 crash reports6 fire reports9 injury reports
Engine And Engine Cooling complaints
50 reportsEXHAUST MANIFOLD CRACKED IN SEVERAL PLACES WITH ONLY 56K ON JEEP. DEALER SAYS THERE WAS NO SPECIAL WARRANTY FOR THIS PART, BUT WAS PLENTY AWARE OF THE HIGH INCIDENCE OF FAILURE WITH THIS PART. INDEPENDENT MECHANICS SHOP THAT REPAIRED MY JEEP SAID THAT HIS FRIENDS SHOP HAS REPAIRED SEVERAL HUNDRED OF THE SAME VEHICLE AS MINE, JUS…
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EXHAUST MANIFOLD CRACKED IN SEVERAL PLACES WITH ONLY 56K ON JEEP. DEALER SAYS THERE WAS NO SPECIAL WARRANTY FOR THIS PART, BUT WAS PLENTY AWARE OF THE HIGH INCIDENCE OF FAILURE WITH THIS PART. INDEPENDENT MECHANICS SHOP THAT REPAIRED MY JEEP SAID THAT HIS FRIENDS SHOP HAS REPAIRED SEVERAL HUNDRED OF THE SAME VEHICLE AS MINE, JUST IN THE ORLANDO FLORIDA AREA. THIS PART SHOULD BE RECALLED, DANGEROUS FUMES FROM THIS OBVIOUSLY DEFECTIVE PART COULD LEAK INTO CABIN OF JEEP, POSSIBLY KNOCKING OUT THE DRIVER.*JB
THE INSURED WENT INTO A RESTUARANT AND WHEN HE CAME BACK OUT, THE VEHICLE WAS ON FIRE. CLAIM NUMBER 35-W531-646. *YH
WHILE DRIVING VEHICLE WAS MAKING A NOISE DUE TO A CRACKED EXHAUST MANIFOLD. DEALER WAS CONTACTED. PLEASE ADD VIN . *AK
ENGINE MANIFOLD HAD TWO CRACKS; ONE WAS LOCATED ON WELD. VEHICLE TAKEN TO DEALER SHOP FOR REPAIRS. INFORMED OF NO RECALL AND IT WAS OUT OF WARRANTY. *AK THE CONSUMER STATED THAT THE FAILURE IN HIS OPINION WAS EITHER CAUSED BY A DESIGN FAILURE OR A METAL FAILURE OF THE WELD. *YH
EXHAUST MANIFOLD FAILS TO PRODUCE ACCURATE PRESSURE DUE TO CRACKS IN MANIFOLD OR BOLTS. MANY JEEP OWNERS ARE SUFFERING FROM FAULTY EXHAUST MANIFOLD/ PLEASE REVIEW JEEP FORUMS FOR RESEARCH AND PROOF THAT THIS IS A VERY COMMON PROBLEM THAT THE AUTO MANUFACTUER SEEMS TO BE HIDING FROM. THSI SHOULD BE A RECALL. LETS NOT WAIT FOR …
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EXHAUST MANIFOLD FAILS TO PRODUCE ACCURATE PRESSURE DUE TO CRACKS IN MANIFOLD OR BOLTS. MANY JEEP OWNERS ARE SUFFERING FROM FAULTY EXHAUST MANIFOLD/ PLEASE REVIEW JEEP FORUMS FOR RESEARCH AND PROOF THAT THIS IS A VERY COMMON PROBLEM THAT THE AUTO MANUFACTUER SEEMS TO BE HIDING FROM. THSI SHOULD BE A RECALL. LETS NOT WAIT FOR A FIRE OR A DEATH CAUSED BY THIS ISSUE. *AK
I HAVE READ ABOUT SEVERAL PEOPLE HAVING THE SAME PROBLEM WITH THEIR MANIFOLDS CRACKING SEVERAL TIMES ON JEEP WRANGLERS. I THINK THEY NEED TO BE RECALLED AND REPLACED WITH THE NEW MANIFOLDS THAT JEEP INSTALLED ON THE 2000 MODEL. *AK
HOLE IN EXHAUST MANIFOLD, ANNOYING TICKING NOISE WHEN DRIVING. *AK
THERE IS A HESITATION IN THE ENGINE WHENEVER IT REACHES 2000RPM, UNDER A LOAD. I HAVE HAD THE POWER STEERING PUMP SWITCH WIRING HARNESS REPLACED, AND I HAVE HAD THE THROTTLE BODY CLEANED. THE HESITATION HAS NOT GONE AWAY. THE DEALER STATES THAT NO "CODES" COME UP ON THE DIAGNOSTIC MACHINE THEY USE, SO THEY DON'T KNOW WHAT'S W…
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THERE IS A HESITATION IN THE ENGINE WHENEVER IT REACHES 2000RPM, UNDER A LOAD. I HAVE HAD THE POWER STEERING PUMP SWITCH WIRING HARNESS REPLACED, AND I HAVE HAD THE THROTTLE BODY CLEANED. THE HESITATION HAS NOT GONE AWAY. THE DEALER STATES THAT NO "CODES" COME UP ON THE DIAGNOSTIC MACHINE THEY USE, SO THEY DON'T KNOW WHAT'S WRONG. I AM BRINGING IT IN THIS WEEK FOR THE THIRD TIME. *AK
BEGINNING IN 4-99, WE HAVE HAD NUMEROUS THINGS GO WRONG WITH OUR NEW VEHICLE. FIRST THE "CHECK ENGINE" LIGHT CAME ON, AC/HEATER QUIT/ MANFOLD/EXHAUST LEAK/ NOW ALL THE GAUGES HAVE GONE CRAZY ON THE DASH & I JUST GOT IT OUT OF THE SHOP ON 1/17/2000, FOR THE VERY SAME THING.
Official recalls
199V117000 · Unknown Or Other
May 6, 1999
VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES. THE LEFT SIDE AND RIGHT SIDE INSTRUMENT PANEL WIRING GROUND ATTACHMENT SCREWS COULD LOOSEN OVER TIME.
Consequence & remedy
Consequence: IF THE LEFT SIDE SCREW LOOSENS, THE INSTRUMENT PANEL GAUGES MAY NOT FUNCTION WHEN THE HEADLAMPS ARE TURNED ON. IF THE RIGHT SIDE SCREW LOOSENS, THE DEFROSTER BLOWER MOTOR MAY NOT FUNCTION.
Remedy: DEALERS WILL REMOVE THE GROUND SCREWS, DRILL A NEW PILOT HOLE ADJACENT TO THE ORIGINAL HOLE, AND THE SCREWS WILL BE REINSTALLED IN THE NEW HOLES.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1RQ99011 · Instrument Panel Ground Screw
Opened Jun 1, 1999 · Closed May 30, 2000
Status: closed (inferred from source dates) · Electrical System
THE INSTRUMENT PANEL WIRING GROUND ATTACHMENT SCREWS CAN LOOSEN