There are 14 owner-reported engine complaints for the 2004 Land Rover Discoveryin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
CPSC: I1540160A. 2004 LANDROVER DISCOVERY. CONSUMER STATED THE ENGINE BAY FUSE BOX SPONTANEOUSLY COMBUSTED. *LN
ENGINE FAILURE. *TR
I PURCHASED OUR LAND ROVER 6 MONTHS AGO I BOUGHT IT WITH 105000 MILES ON IT AND FINANCED IT THAT WAY ,ON JANUARY 17 TH MY WIFE GOT IN THE VEHICLE AND IT SHOWS 186000 MILES ON THE VEHICLE. THE PREVIOUS OWNER FRAUDULENTLY SOLD A VEHICLE THAT HAS BIN TAMPERED WITH AND I NEED TO FIND OUT HOW TO PURSUE HIM? *TR
TL* THE CONTACT OWNS A 2004 LAND ROVER DISCOVERY. WHILE DRIVING AT AN UNKNOWN SPEED, THE VEHICLE OVERHEATED AND SMOKE EMITTED FROM THE ENGINE. THE DEALER STATED THAT THE ENGINE AND THE IGNITION NEEDED TO BE REPLACED. NO REPAIRS WERE MADE TO THE VEHICLE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 80,000.
TL* THE CONTACT OWNS A 2004 LAND ROVER DISCOVERY II. THE CONTACT STATED THAT WHILE AT A STOP LIGHT, THE OIL PRESSURE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSIS WHERE IT WAS STATED THAT THE OIL PUMP NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED AND THE MANUFACTURER WAS NOT NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 70,000. *
DISCOVERY LAND ROVER DEFECT IN THE OIL PUMP, IT EXPLODED, HEARD A LOUD BANG AND IT DAMAGED ENGINE, THE CAR IS NOW JUNK AND I AM NOT BUYING ANOTHER EXPENSIVE PART FOR THIS VEHICLE. THERE ARE FORUMS ALL OVER THE INTERNET OF THIS HAPPENING TO MANY PEOPLE. HAD TO CAREFULLY PULL OVER ON THE HIGHWAY AT HIGH SPEED AS THIS COULD HAVE CAUSED AN ACCIDENT. *TR
COMPLETE ENGINE INVESTIGATION DONE BY DEALERSHIP AND THIRD PARTY TO INVESTIGATE TICKING NOISE. ENGINE REMOVED, REPLACED ALL BEARINGS, CAM BEARINGS, NEW CAMSHAFT, LIFTERS, TIMING CHAIN AND GEARS. CYCLED THROUGH OVER 5 TYPES OF OILS AND ADDITIVES. FURTHER RESEARCH INDICATES POSSIBLE MANUFACTURER ISSUE OCCURRING IN 2004 MODELS WHERE CYLINDER LINER IS ACTUALLY SLIPPING. DEALERSHIP CLAIMS THAT LINER SLIPPING IS NOT POSSIBLE AND OTHER ISSUES WOULD BE APPARENT. HOWEVER, MULTIPLE ISSUES ARE DOCUMENTED BY OTHER OWNERS. OTHER SERVICE TEAMS INDICATE THAT ENGINE COULD FAIL BUT WAS KNOWN ISSUE BY MANUFACTURER. ALL 2004'S ARE OUT OF WARRANTY SO THIS HAS BECOME A NON-REPORTED ISSUE. *TR
THIS VEHICLES HEADGASKET FAILED WHICH IS A COMMON PROBLEM WHICH WILL REQUIRE A COMPLETE OVERHAUL OF THE ENGINE. A NON DEALER PRICE IS $8900.00 TO REPAIR THE ENGINE. THIS HAPPENS FROM WHAT I AM TOLD AT 90K MILES PLUS. *TR
ENGINE FAILURE OCCURRED AT 63,000 MILES. I WAS DRIVING LOCALLY NEAR MY HOME WHEN A POPPING SOUND CAME FROM THE ENGINE. IT RESULTED IN THE ENGINE LIGHT COMING ON AND THE ENGINE SHUTTING OFF AT APPROX 30MPH. THE ENGINE SHUT OFF LED TO A LOSS OF POWER STEERING IN THE TRUCK. LUCKILY, I WAS ABLE TO GAIN CONTROL OF THE STEERING MANUALLY AND PULL THE TRUCK TO THE SIDE OF THE ROAD. FORTUNATELY, I WAS NOT ON THE HIGHWAY WHEN THIS HAPPENED OTHERWISE IT MAY HAVE BEEN A COMPLETELY DIFFERENT OUTCOME. THE DEALER (LAND ROVER OF PARSIPPANY) EXAMINED THE VEHICLE AND DETERMINED THAT ENGINE (COMPLETE ENGINE FAILURE) HAD TO BE REPLACED. A NUMBER OF THEORIES WERE THROWN AROUND : LOW OIL (CHANGED EVERY 3,000), SLEEVES DROPPED (NO CLUE WHAT THAT MEANS), OR AGE (MY FAVORITE SINCE IT WAS 2004 AND I USED IT PURELY TO GO TO THE TRAIN AND ON WEEKENDS) BUT NO MATTER WHAT THE TRUCK IS TOTALLED W/O AN ENGINE. MY BIGGEST CONCERN AT THIS POINT IS THAT THIS ISSUE IS SOMETHING THAT IS KNOWN BUT NOT BEING COMMUNICATED TO OTHER OWNERS. ENGINE FAILURE W/O POWER STEERING IS SIMPLY TROUBLING AND SCARY AT THE SAME TIME. IF YOU HAVE A DISCO THAT IS OF THE SAME AGE / MILEAGE PLEASE BRING IT INTO YOUR LOCAL DEALER FOR A DIAGNOSTIC SERVICE. TO THE NHTSA, PLEASE REVIEW THIS PROBLEM W/ LAND ROVER DISCOVERY II TO SE IF IT IS PERVASIVE OR IT IS JUST ME.
OIL PUMP FAILED ON 2004 LANDROVER DISCOVERY AT 66,000 MILES. SECOND OIL PUMP FAILED AT 86,000. *TR
INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). 2004 LAND ROVER DISCOVERY, [XXX] OIL PUMP FAILURE CAUSED ENGINE FAILURE AT 59,000 MILES. LAND ROVER DEALER QUOTES PRICE OF ENGINE REPLACEMENT AT $12,850. REQUESTED ASSISTANCE FROM BOTH LAND ROVER NORTH AMERICA CUSTOMER RELATIONS AND FROM LOCAL DEALER DUE TO A PATTERN OF SIMILAR OIL PUMP FAILURES IN 2003 AND 2004 VEHICLES. NO RESPONSE TO DATE. *TR
TL*THE CONTACT OWNS A 2004 LAND ROVER DISCOVERY. THE CONTACT STATED WHILE DRIVING APPROXIMATELY 35 MPH ON NORMAL ROAD CONDITIONS. THERE WAS A LOUD KNOCKING NOISE COMING FROM THE ENGINE. THE OIL PRESSURE WARNING LIGHT INDICATOR ILLUMINATED ON THE INSTRUMENT PANEL. THE WARNING INDICATOR REMAINED ILLUMINATED UNTIL THE ENGINE WAS TURNED OFF. THE VEHICLE STALLED WHILE ATTEMPTING TO PULL OVER TO THE SIDE OF THE ROAD. ROADSIDE ASSISTANCE WAS CALLED TO THE SCENE. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER FOR INSPECTION. THE TECHNICIAN STATED THE ENGINE REQUIRED REPLACEMENT. THE VEHICLE HAS NOT BEEN REPAIRED FOR THE FAILURE. THE FAILURE AND CURRENT MILEAGES WERE 46,842.
2004 LAND ROVER DISCOVERY II WITH 44K MILES, UNDER WARRANTY, AND RECENTLY SERVICED AT DEALERSHIP, SPONTANEOUSLY CAUGHT FIRE, WHILE UNOCCUPIED, AND TURNED OFF, TO THE POINT OF COMPLETE DESTRUCTION OF ENGINE & FRONT END, DID NOT DESTROY INTERIOR. EXTREMELY LUCKY THAT OTHERS WERE NOT HURT, OR NOT DRIVING AT TIME OF OCCURRENCE. *TR
TL* THE CONTACT OWNS A 2004 LAND ROVER DISCOVERY II. THE CONTACT STATED THAT THE ENGINE WOULD EXHIBIT AN UNUSUAL TICKING NOISE. THE VEHICLE WAS TAKEN TO THE DEALER SIX TIMES WHILE UNDER WARRANTY AND VARIOUS REPAIRS WERE DONE BUT THE FAILURE PERSISTED. THE DEALER ADVISED THAT THE TICKING NOISE WAS THE SLEEVE ON THE NUMBER TWO CYLINDER SLIPPING AND WOULD EVENTUALLY CAUSE THE ENGINE TO SEIZE UP. THE DEALER RECOMMENDED REPLACING THE ENGINE. THE MANUFACTURER ADVISED THEY WOULD ASSIST WITH PARTIAL REPAIRS. THE FAILURE MILEAGE WAS 13,000 AND THE CURRENT MILEAGE WAS 61,250.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026