82 complaints reported

2015 Jeep Wrangler Engine

Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.

Reports
82
Crashes
0
Fires
4
Injuries
0

Complaint Timeline

Chronological view of owner reports

Feb 2021

OIL COOLER ASSEMBLY HAS STARTED LEAKING BADLY AFTER 60,000 MILES AND IS A FIRE HAZARD. THIS ASSEMBLY IS TOO FRAGILE AND REQUIRES TAKING OFF THE INTAKE MANIFOLD TO ACCESS AND REPLACE, SO IT SHOULD NOT BE A PLASTIC PART. IT CONTAINS THE OIL FILTER WHICH CAUSES IT TO HAVE TORQUE APPLIED EVERY OIL CHANGE AND CAUSES IT TO BREAK PREMATURELY. THIS IS VERY COMMON PROBLEM AND I WAS TOLD BY THE DEALER THAT THERE WERE 25,000 OF THESE ASSEMBLIES ON BACK ORDER NATIONWIDE AND HE COULD NOT TELL ME WHEN IT WOULD BE IN STOCK. MY JEEP IS NOW UNDRIVEABLE UNTIL THE BACKLOG IS WORKED THROUGH WHICH MAY TAKE MONTHS. IF THIS WAS A RARE PROBLEM I COULD GET THE PART AND HAVE IT REPAIRED. THIS PROBLEM HAS RENDERED MY VEHICLE UNUSABLE. THIS IS UNACCEPTABLE AND JEEP HAS KNOWN ABOUT THIS ISSUE FOR YEARS ON MULTIPLE YEAR MODELS. PLEASE INVESTIGATE. THERE IS NO REASON THIS COULDN'T HAVE BEEN PROPERLY ENGINEERED WITH A METAL PART.

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Feb 2021
Jan 2021

I WAS DRIVING MY KEEP AND STARTED SMELLING OIL AND HAD SMOKE COMING FROM UNDER MY CAR. I NOTICE ON MY GARAGE FLOOR LARGE OIL LEAK. I PICKED UP MY DISABLED SON AND NOTICED IT HAD GOTTEN WORSE. I WAS FORCED TO STOP BY MY MECHANIC AND WAS TOLD MY OIL COOLER ADAPTOR HOUSING WAS BROKEN AND LEAKING BADLY. I HAD PURCHASED A MOPAR PROTECTION PLAN DIRECTLY FROM COMPANY. WHEN I CALLED JEEP DEALERSHIP THEY SAID I WOULD HAVE TO BRING IT AND LET THEM DIAGNOSE IT BEFORE THEY COULD DECIDE IF IT WAS COVERED BY MY MOPAR CARE PLAN. MY MECHANIC INFORMED ME THAT THIS WAS A COMMON PROBLEM WITH THIS JEEP ENGINE BUT THEY HAD NOT DONE RECALL YET. I CALL MOPAR AND THEY WOULD NOT AUTHORIZED PAYMENT TO MY MECHANIC UNLESS HE CALL FOR AUTHORIZATION NUMBER. HE CALLED AND THEY SAID NO. THIS PART NEEDS TO BE HANDLED BY A RECALL IF IT'S THAT BAD. I WAS READING COMPLAINTS ON ANOTHER SITE AND THEY SAID IT COULD LEAD TO A FIRE STARTING BECAUSE OF OIL LEAKING ONTO EXHAUST.

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Jan 2021
Nov 2020

THERE'S A LEAK COMING FROM THE OIL FILTER HOUSING UNIT AND D IT'S CAUSING A VERY NOTICEABLE TICKING FROM MOTOR AT ALL TIMES.

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Mar 2020
Sep 2020

MY CAR IS AS 54090 MILES, DEALERSHIP CHANGED HOUSING THERMOSTAT AND REPLACED THE THERMOSTAT HOUSING ADAPTOR. STATED MY CAR HAS INTERNAL ENGINE NOISE FROM WORN ROCKERS AND LIFTERS. WAS SAFE TO DRIVE. GOT A SECOND OPTION, MY CAR HAS ROCKER NOISE COMING FROM THE RIGHT BANK AND CAN WEAR. ALSO SOME CYLINDER HEADS HAD TO BE REPLACED. THIS WAS AN ISSUE WITH THE 2012 AND 2013 MODELS SO CHRYSLER SHOULD BE TAKING THESE ISSUES SERIOUSLY AND EXTENDED AND RECALLING ALL 2015 JEEPS TO DO A MAINTENANCE CHECK. I WAS TOLD UPON MY INDEPENDENT REVIEW NOT TO DRIVE MY CAR, TO GET IT HOME SAFE AND SLOW. I HAVE REPORTED THE DEALERSHIP TO THE BBB AND FILED A CLAIM WITH CHRYSLER. THIS NEEDS TO BE TAKEN SERIOUSLY.

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Sep 2020
May 2020

AIR COOLER FILTER (ADAPTER) - LEAK. COMMON DEFECT IN ALL WRANGLER VEHICLES. DANGER TO ENGINE DAMAGE.

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Jan 2020
May 2020

RADIATOR LEAK, WITH LESS THAN 70K MILES THE HOSES WERE REPLACED BUT STILL LEAKING WITH SMELL OF ANTIFREEZE

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Jun 2020
Feb 2020

AT 41,900 MILES A NOTICEABLE CLICKING/TAPPING NOISE ANYTIME THE ENGINE ON. IT CAME ON SUDDENLY AND WHEN MECHANIC HEARD IT HE THOUGHT ROCKER ARMS OR LIFTERS HAVE FAILED . HAD DIAGNOSTIC AND MECHANIC FOUND 2 ROCKER ARMS WERE BAD . THANKFULLY CAMS WITHOUT DAMAGE PER MECHANIC LIKELY DUE TO SEEKING REPAIRS SO QUICKLY

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Apr 2020
Feb 2020

TL* THE CONTACT OWNS A 2015 JEEP WRANGLER. THE CONTACT STATED THAT WHILE DRIVING AT AN UNDISCLOSED SPEED, THERE WAS AN ABNORMAL NOISE COMING FROM THE ENGINE. THERE WAS NO WARNING LIGHTS ILLUMINATED. THE CONTACT STATED THAT THE SOUND WAS MORE PREVALENT WHILE THE VEHICLE WAS STOPPED WITH THE GEAR SHIFTER IN THE PARK POSITION. THE VEHICLE WAS NOT TAKEN TO BE DIAGNOSED NOR REPAIRED. A DEALER WAS NOT CONTACTED HOWEVER, THE MANUFACTURER WAS CONTACTED AND INFORMED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 60,000.

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Jan 2020
Jan 2020

MY JEEP HAS A 38375 MILES ON IT AND I TOOK IT THE DEALER CAUSE I KEPT SMELLING COOLANT AND I THOUGHT I HAD A LEAK IN THE PLASTIC ANTI FREEZE HOLDER THEY PUT THE TRUCK ON THE LIFT AND SAID I HAVE TWO LEAKS ON THE SEALS WHY IS THAT THE CAR SHOULDN'T HAVE A LEAK IN THE RADIATOR THIS SOON THE CAR IS NOT OLD THE CAR NOW SMOKES SO I HAVE NOW STOP DRIVING THE TRUCK THIS SHOULD ALSO BE COVERED UNDER THE WARRANTY

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Jun 2019
Jan 2020

ARM ROCKERS IN THE INJUN CONSTANTLY HAVE TO BE REPLACED. GIVING THE INJUN A KNOCKING SONG.

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Jan 2020
Dec 2019

OIL FILTER HOUSING HAS CRACKED AND LEAKING OIL. APPEARS TO BE WIDESPREAD PROBLEM. MANY JEEPS BUILT AFTER 2014 SEEM TO HAVE THE SAME RECURRING PROBLEM. THE PLASTIC HOUSING IS DEFECTIVE.

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: May 2019
Nov 2019

I OWN A 2015 JEEP WRANGLER. IN MID-2019 I NOTICED THE HEATING SYSTEM WAS NOT OPERATING WELL. FOR EXAMPLE, WHEN I TURNED THE HEAT ON, IT WOULD INTERMITTENTLY SEND WARM AND THEN COOL AIR OUT OF THE BLOWERS. ONE 38 DEGREE DAY, IT SENT OUT NO HEAT AT ALL. IN OCTOBER 2019, THE ANTI-FREEZE FLUID LEVEL WAS LOW AND IT WAS FILLED. IN DEC 2019, THE ENTIRE RESERVE TANK WAS EMPTY. NO FLUID WAS VISIBLE IN THE RADIATOR WHEN THE RADIATOR CAP WAS REMOVED. I HAVE OBSERVED WHEN THE CAR HAS BEEN DRIVEN FOR 3-5 MILES AND THEN TURNED OFF, THERE IS A SLIGHT ODOR OF ANTI-FREEZE. IT APPEARS MY VEHICLE MAY HAVE A DEFECTIVE HEATER CORE.

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Nov 2019
Oct 2019

AT APPROXIMATELY 12K MILES I NOTICED THAT WHEN THE VEHICLE WAS STARTED AND MOVED FROM THE STREET TO THE DRIVEWAY AND TURNED OFF BEFORE IT COULD REACH NORMAL OPERATING TEMPERATURE, UPON RESTART, THERE WOULD BE A PUFF OF BLUE SMOKE FROM THE EXHAUST. THE DEALERSHIP INVESTIGATED AND SAID THAT THEY COULD NOT DUPLICATE THE ISSUE. AT 20,500 MILES THE VEHICLE WAS RUNNING POORLY AND THE CHECK ENGINE LIGHT CAME ON. THE DEALERSHIP SAID A FUEL INJECTOR HAD GONE BAD AND THEY ALSO FOUND 3 BAD ENGINE ROCKER ARMS. THE ROCKER ARMS WERE REPLACED UNDER WARRANTY. INCIDENTALLY, THE ISSUE WITH THE BLUE SMOKE FROM THE EXHAUST DISAPPEARED. AT 28,000 MILES THE ENGINE WAS BEGINNING TO DEVELOP AN AUDIBLE TICKING NOISE. THE DEALERSHIP INVESTIGATED AND THIS TIME REPLACED 4 BAD ROCKER ARMS. AT LEAST 1 OF THE ROCKER ARMS WAS THE SAME ONE (#1 INTAKE) THAT HAD BEEN REPLACED DURING THE PRIOR SERVICING.

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Oct 2019
Jun 2019

OIL FILTER HOUSING HAS CRACKED AND LEAKING OIL. APPEARS TO BE WIDESPREAD PROBLEM.

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Jan 2019
Apr 2019

RADIATOR LEAKING COOLANT ON DRIVER SIDE TANK. I'VE SMELLED COOLANT SINCE NEW BUT NEVER SEEN A LEAK UNTIL WARRANTY WAS EXPIRED. I CURRENTLY HAVE LESS THAN 30,000MI CONTACTED DEALER AND WAS TOLD SIMPLY NO WARRANTY. READING ABOUT THIS PROBLEM ONLINE SEEMS TO BE A COMMON ISSUE.

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Feb 2019
Feb 2019

TL* THE CONTACT OWNS A 2015 JEEP WRANGLER. WHILE DRIVING VARIOUS SPEEDS, THE CONTACT SMELLED FUMES INSIDE THE VEHICLE. JOHNSON DODGE CHRYSLER JEEP RAM (481 US-46, BUDD LAKE, NJ 07828, (908) 850-8700) INFORMED THE CONTACT THAT THE RADIATOR NEEDED TO BE REPAIRED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS 10,890.

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Jan 2019
Jan 2019

SIGNIFICANT OIL LEAKING FROM OIL COOLANT HOUSING ON THE ENGINE. ENGINE STARTED SMOKING THOUGHT IT WAS ON FIRE. SHUT OFF CAR IMEDIATELY AND SENT CAR TO DEALERSHIP

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Jan 2019
Dec 2018

CRACKED AND LEAKING OIL COOLER HOUSING

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Dec 2018
Dec 2018

MY 2015 JEEP WRANGLER WITH LESS THAN 36,000 MILES (CURRENT MILEAGE IS 31,000) DEVELOPED A HOLE IN THE UPPER RIGHT (FACING THE VEHICLE) ON THE RADIATOR. ONLY FACTORY AUTHORIZED ANTIFREEZE WAS IN THE COOLING SYSTEM. IN FACT, THE COOLANT HAD NEVER BEEN TOUCHED SINCE PURCHASING IT NEW APRIL 17TH, 2015. THIS PAST FALL I KNEW I HAD A LEAK AND TOOK IT TO THE DEALER. THEY SAID IT WAS LEAKING OIL AROUND MY OIL FILTER AND ENDED UP CHARGING ME $46.00 FOR AN OIL CHANGE; HOWEVER, THE MECHANIC (PETE) COULD NOT EXPLAIN THE LEAK. I FELT THE FLUID ON MY GARAGE FLOOR WITH MY FINGERS AND HONESTLY THOUGHT IS WAS PART OIL AND ANTIFREEZE. NOW, ON WEDNESDAY DECEMBER 26, 2018 THEY ARE GOING TO REPLACE THE RADIATOR AND THE DEALER'S ESTIMATE WAS APPROXIMATELY $800.00 DOLLARS. IN SHORT, NO RADIATOR SHOULD BLOW A HOLE IN THE SIDEWALL OF THE RADIATOR WITH SO FEW MILES AND TIME.

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Dec 2018
Sep 2018

INTERMITTENT STALLING HAS OCCURRED 4 TIMES WHILE THE VEHICLE WAS IN MOTION DRIVING STRAIGHT. 3 TIMES OCCURRED ON CITY STREETS AND 1 OF THE 4 TIMES WAS WHILE MERGING INTO TRAFFIC ON AN INTERSTATE AT INTERSTATE SPEEDS. THE VEHICLE RESTARTED 3 TIMES AFTER STOPPING AND PLACING THE VEHICLE INTO PARK AND CRANKING FOR ABOUT 5-10 SECONDS. THE LAST TIME, THE VEHICLE WOULD NOT RESTART IMMEDIATELY AND TOOK AROUND 2 HOURS TO RESTART. THERE WAS NO WARNING PRIOR TO EACH TIME, NO STUTTERING, ROUGH IDLE, ACCELERATION, DECELERATIONS, ETC. THE DEALERSHIP SERVICE DEPARTMENT SAID DIAGNOSTIC TROUBLE CODE REPORTED CRANKSHAFT POSITION SENSOR FAILURE, BUT TESTING COULD FIND NO ISSUES EACH TIME. SERVICE MANAGER REQUESTED THAT THE VEHICLE BE LEFT INDEFINITELY FOR THEM TO TEST DRIVE UNTIL THE CONDITION COULD BE WITNESSED BY TECHNICIAN.

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Jan 2018
Aug 2018

OIL FILTER ADAPTER/OIL COOLER

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Feb 2018
Apr 2018

NOTICED SMELL OF COOLANT WHEN VEHICLE WAS PARKED. I WAS NOT ABLE TO LOCATE THE LEAK. THERE WERE NO PUDDLES OF COOLANT OR DETECTABLE DRIPS. TOOK VEHICLE TO THE DEALER. I WAS TOLD RADIATOR NEEDED TO BE REPLACED AND WOULD NOT BE COVERED UNDER WARRANTY. VEHICLE HAS @ 26,000 MILES. 3 YEAR WARRANTY EXPIERED 5 MONTHS AGO. VEHICLE HAS BEEN DEALER MAINTAINED SINCE PURCHASED NEW. CONTACTED JEEP CUSTOMER SERVICE TO REQUEST ASSISTANCE. I WAS TOLD SORRY CAN'T HELP WARRANTY HAS EXPIRED. THERE ARE NO INDICATIONS OF ABUSE OR OUTSIDE DAMAGE TO RADIATOR. RADIATOR FAILURE IS AN OBVIOUS MANUFACTURING DEFECT.

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Apr 2018
Apr 2018

WHILE CHECKING MY FLUID LEVELS, I NOTICED OIL IN THE VICINITY OF MY OIL FILTER AND IN THE VALLEY. WITH LITTLE SEARCH, IT WAS APPARENT, I HAD A POORLY DESIGNED OIL FILTER/COOLER ADAPTER. TOOK IT TO THE DEALERSHIP AND AGAIN, TO MY SURPRISE, THEY DID NOT HONOR THE MANUFACTURES WARRANTY BUT OF COURSE CHARGED ME 160 BUCKS TO TELL ME WHAT I ORIGINALLY TOLD THEM. I THEN ASKED IF THEY HAD THE PART AVAILABLE, GUESS WHAT THEY SAID?? OF COURSE, THEY DON'T HAVE ANY DUE TO NATIONAL BACKORDER. MIND YOU, MY JEEP HAS ONLY BEEN DEALERSHIP TOUCHED AND AT 35000 MILES, THIS SHOULD NOT BE AN ISSUE. I AM FORCED TO DRIVE MY OTHER VEHICLE DUE TO FEAR OF MY ENGINE BAY IGNITING, AS YOU AND I BOTH KNOW IT HAS SADLY HAPPENED TO MANY OTHERS.

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Aug 2018
Jan 2018

RADIATOR RESERVOIR WAS FOUND TO BE LOW AT AROUND 9,000 MILES DURING FIRST OIL CHANGE. ALONG, WITH A SLIGHT SMELL OF ANTIFREEZE WHEN THE VEHICLE WAS WARM. THE RESERVOIR WAS TOP OFF WITH NO SIGNS OF LEAKS FROM RESERVOIR AND SMELL WAS THOUGHT TO BE COMING FROM RESERVOIR. BOTH ISSUES CONTINUED WITH NO SIGNS OF VISIBLE LEAKS UPON INSPECTION OF COOLANT SYSTEM. SO ISSUES WAS THOUGHT TO TAKEN TILL RESERVOIR WAS FOUND LOW AGAIN AT AROUND 36,000 MILES STILL NO SIGNS OF LEAKS, AND RESERVOIR WAS TOP OFF. CONTINUED TO MONITOR WITH NO SIGNS OF LEAKS UNTIL THE SMELL OF ANTIFREEZE BEGAN TO GET STRONGER AND MORE FREQUENT WHEN VEHICLE WAS WARM. AFTER INTERNET SEARCH, READING ABOUT PEOPLE WITH SIMILAR ISSUES THE PROBLEM WAS FOUND. ON, ENGINE SIDE OF RADIATOR BEHIND FAN ALONG THE END CAP THERE WAS NOTICABLE SIGNS OF LEAK. RADIATOR WAS REPLACED. FCA INFORMED.

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Jan 2018
Dec 2017

SMELL OF ANTIFREEZE

Type: Vehicle, Vehicle: 2015 JEEP WRANGLER, Manufacturer: Chrysler (FCA US, LLC)
Incident: Nov 2017

Trend Over Time

Complaints by year

Quick Summary

The 2015 Jeep Wrangler has 82 Engine complaints on file. Review the timeline above for detailed owner experiences.