NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
109 reportsClear category filterMileage unknown · Jan 29, 2002
Engine And Engine Cooling
ENGINE WAS VERY LOUD, SO I TOOK THE VEHICLE TO THE DEALER WHO SAID IT WAS A CRACKED EXHAUST MANIFOLD. I ASKED IF THIS IS A PROBLEM WITH THE WRANGER AND WAS TOLD THAT THEY WERE NOT AWARE OF ANY RECALLS. CONTACTED A FEW JEEP CLUBS VIA THE INTERNET AND FOUND OUT THAT THE CRACKING OF EXHAUST MANIFOLDS ON WRANGLERS IS VERY COMMON, TO…
Read full complaint
ENGINE WAS VERY LOUD, SO I TOOK THE VEHICLE TO THE DEALER WHO SAID IT WAS A CRACKED EXHAUST MANIFOLD. I ASKED IF THIS IS A PROBLEM WITH THE WRANGER AND WAS TOLD THAT THEY WERE NOT AWARE OF ANY RECALLS. CONTACTED A FEW JEEP CLUBS VIA THE INTERNET AND FOUND OUT THAT THE CRACKING OF EXHAUST MANIFOLDS ON WRANGLERS IS VERY COMMON, TO THE POINT THAT YOU'RE LUCKY IF YOUR'S DOESN'T CRACK, AND THAT THE MANIFOLD HAS SINCE BEEN REDESIGNED. I CONTACTED THE CRYSLER CUSTOMER SERVICE CENTER ON THE INTERNET TO FIND OUT IF THERE WAS A PROBLEM AND IF IN FACT THE MANIFOLD WAS REDESIGNED AS I WANTED TO MAKE SURE THAT I WASN'T JUST INSTALLING ANOTHER DEFECTIVE EXHAUST MANIFOLD. THERE ARE AFTERMARKET EXHAUST MANIFOLDS THAT CARRY AN UNLIMITED WARRANTY AND ARE IN FACT LESS EXPENSIVE, UNFORTUNATELY THERE IS A HEAVY DEMAND FOR THEM WITH A LONG WAIT. CHRYSLER CUSTOMER SERVICE WOULD NOT PROVIDE ME WITH ANY INFORMATION, JUST BOILER PLATE RESPONSES THANKING ME FOR CONTACTING THEM. I ORDERED A NEW REPLACEMENT EXHAUST MANIFOLD FROM THE DEALER, AND WHEN I WENT TO PICK IT UP, BOTH THE SERVICE AND PARTS MANAGERS INDICATED THAT THEY NEW OF NO PROBLEMS WITH THE WRANGLER EXHAUST MANIFOLD CRACKING. WHEN I ASKED IF THE MANIFOLD WAS REDESIGNED, THEY INDICATED THAT THEY DID NOT KNOW. WHEN I GOT HOME AND OPENED THE BOX CONTAINING THE REPLACEMENT MANIFOLD, IT IS OBVIOUS THAT THE MANIFOLD WAS INDEED REDESIGNED! THEY ADDED BELLOWS THERMAL EXPANSION JOINTS IN THE FIRST AND SIXTH EXHAUST PIPES. APPARENTLY THE LENGTH OF THE MANIFOLD COUPLED WITH THERMAL EXPANSION, JUST RIPS APART THE MANIFOLD. WHILE I DID NOT HAVE A FIRE IN MY ENGINE COMPARTMENT, AS SOME HAVE HAD, THE UNDERSIDE OF THE INTAKE MANIFOLD WAS BLACK FROM THE LEAKING EXHAUST, AND WAS INDEED EVIDENT IN THE CAR WHEN DRIVING. REPEATED CONTACTS TO THE INTERNET CHRYSLER CUSTOMER SERVICE ENDED WITH THEM CUTTING OFF COMMUNICATION. I HAVE DIGITAL PICTURES OF THE OLD AND THE REDESIGNED MANFOLD. I AM VERY DISAPOINTED IN HOW CHRYSLER HAS HANDLED THIS ISSUE.*AK
NHTSA ODI #757509
Mileage unknown · Dec 19, 2001
Engine And Engine CoolingFuel System, Gasoline
NOTICED WHAT SOUNDED LIKE AN EXHAUST LEAK COMING FROM THE ENGINE COMPARTMENT. I BROUGHT IT TO THE DEALER WITH 27K MILES ON IT. THEY HEARD NOTHING. IN MAY 2000 MY MECHANIC MENTIONED A CRACK IN THE EXHAUST MANIFOLD. I BROUGHT IT BACK TO DEALER AND THEY SAID THEY FOUND NOTHING. OCT. OF 2001 WITH 58K THE NOISE WAS UNBEARABLE AND THR…
Read full complaint
NOTICED WHAT SOUNDED LIKE AN EXHAUST LEAK COMING FROM THE ENGINE COMPARTMENT. I BROUGHT IT TO THE DEALER WITH 27K MILES ON IT. THEY HEARD NOTHING. IN MAY 2000 MY MECHANIC MENTIONED A CRACK IN THE EXHAUST MANIFOLD. I BROUGHT IT BACK TO DEALER AND THEY SAID THEY FOUND NOTHING. OCT. OF 2001 WITH 58K THE NOISE WAS UNBEARABLE AND THREE CRACKS VISABLE. DEALER SAID TOO BAD OUT OF WARRANTY. IF SO MANY PEOPLE ARE HAVING THIS PROBLEM WHY CAN'T SOMETHING BE DONE? BY THE WAY I WILL NEVER PURCHASE ANOTHER JEEP AGAIN.
NHTSA ODI #755833
Mileage unknown · Aug 24, 2001
Engine And Engine Cooling
EXHAUST MANIFOLD CRACKED/STUDS FAILED/PARTS,LABOR NOT COVERED/3RD PARTY REPAIRED. *AK
NHTSA ODI #751053
Mileage unknown · Aug 2, 2001
Engine And Engine Cooling
THERE SEEMS TO BE A LOT OF COMPLAINTS ABOUT THIS SAME PROBLEM. HOPW MANY DOES IT TAKE TO GET SOME ACTION. NO SAFETY DEFECT MENTIONED. *AK
NHTSA ODI #749686
Mileage unknown · Jul 31, 2001
Engine And Engine CoolingEquipmentPower Train
CLUTCH, FLYWHEEL ALL RELATED PARTS FAILED, WATER LEAKING ON PASSENGER SIDE FLOOR, CLOCK AND RADIO BROKE DEALER CANT FIX, SEAT BELTS WONT RETRACT, SWAY BARS COME LOOSE
NHTSA ODI #749482
Mileage unknown · Jul 26, 2001
Engine And Engine CoolingPower TrainFire
EXHAUST MANIFOLD CRACKED 6/21/01, LOCAL JEEP DEALER HAD NO RECALL, NOT UNDER WARRANTY. I WAS IN THE PROCESS OF FINDING A BETTER AFTERMARKET REPLACEMENT MANIFOLD WHEN ON 7/19/01,WHILE STOPPED W/ ENGINE RUNNING, THE PLASTIC HYDRAULIC LINE FOR THE CLUTCH MELTED FROM THE EXCESSIVE HEAT, AND CAUGHT ON FIRE.*AK
NHTSA ODI #749258
Mileage unknown · Jul 10, 2001
Engine And Engine Cooling
A PIPE THAT COMES FROM ENGINE MANIFOLD HAS CRACKED. WHEN DRIVING IT MAKES A LOUD NOISE. PLEASE PROVIDE MORE INFORMATION. *AK
NHTSA ODI #892371
Mileage unknown · May 25, 2001
Engine And Engine Cooling
ABOUT A WEEK AGO I CALLED THE DEALERSHIP TO REPORT A CRACKED EXHAUST MANIFOLD.I ASKED IF THERE HAS BEEN ANY RECALLS OF THIS AND THE SERVICE MANAGER WHO WAS VERY RUDE TOLD ME NO.TODAY,FRIDAY MAY 25TH MY EXHAUST MANIFOLD HAS BROKEN IN HALF IN TWO (2) SPOTS EACH NEXT TA A WELD.I HAVE A FRIEND WHO IS A BOILERMAKER AND A UNION REP. A…
Read full complaint
ABOUT A WEEK AGO I CALLED THE DEALERSHIP TO REPORT A CRACKED EXHAUST MANIFOLD.I ASKED IF THERE HAS BEEN ANY RECALLS OF THIS AND THE SERVICE MANAGER WHO WAS VERY RUDE TOLD ME NO.TODAY,FRIDAY MAY 25TH MY EXHAUST MANIFOLD HAS BROKEN IN HALF IN TWO (2) SPOTS EACH NEXT TA A WELD.I HAVE A FRIEND WHO IS A BOILERMAKER AND A UNION REP. AS WELL AS AN EXPERT IN ALL ASPECTS OF WELDING AND METALS, HAS TOLD ME THIS IS DEFECTIVE.THAT IT SHOULD STAND HIGH TEMPS.AND A LOT LONGER LIFE THAN THIS! WELL TO TELL YOU THE TRUTH I HAVE HAD SEVERAL AUTOMOBILES THROUGH OUT THE YEARS AND I HAVE NEVER HAD AN EXHAUST MANIFOLD BREAK OR EVEN CRACK ON ME ,EVER! THE SERVICE MANAGER SAID I WAS OUT OF WARRENTY AND THAT I WAS OUT OF LUCK..I HAVE EVEN LOOKED AT TE SPECS. ON THE EXHAUS MANIFOLD THAT JEEP ADVERTISES AND IT EVEN SAYS THAT THE EXHAUST MANIFOLD IS A LONG LIFE. PLEASE HELP ME !*AK
NHTSA ODI #745926
Mileage unknown · May 24, 2001
Engine And Engine Cooling
EXHAUST MANIFOLD HAS DEVELOPED A CRACK WHICH ALLOWS EXHAUST FUMES TO ESCAPE INTO PASSENGER COMPARTMENT. *AK VEHICLE DOE NOT MEET EMISSIONS TEST REQUIREMENTS.*JB
NHTSA ODI #889071
Mileage unknown · May 24, 2001
Engine And Engine Cooling
EXHAUST MANIFOLD STARTED LEAKING AROUND 30,000 MI. NOW AT 49,850 LARGE CRACKS HAVE DEVELOPED. VEHICLE MISFIRES AND RUNS ROUGH. JEEP DENIES PROBLEM EXISTS. SEEMS LIKE THE EXHAUST MANIFOLD SHOULD BE COVERED UNDER FEDERAL EMISSIONS WARRANTY. LARGE NUMBER OF SIMILAR COMPLAINTS SHOW OBVIOUS PRODUCT DEFECT.*AK
NHTSA ODI #745853