2010 Mitsubishi Lancer Evolution

TL* THE CONTACT OWNS A 2010 MITSUBISHI LANCER EVOLUTION. WHILE DRIVING HIGHWAY SPEEDS ABOVE 40 MPH, THE VEHICLE BECAME VERY UNSTABLE AND 'FOUR WHEEL DRIVE DISABLED' DISPLAYED. THE VEHICLE WAS TAKEN TO NIMAY MITSUBISHI (1011 KENNEDY AVE, KILOMETER 2.5, 787-622-0200) WHERE IT WAS DIAGNOSED THAT THE ALL WHEEL CONTROL HYDRAULIC UNIT FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE, BUT NO ASSISTANCE WAS OFFERED. THE FAILURE MILEAGE WAS 41,000.

BAD INJECTOR CAUSED CYLINDER FAILURE OR VALVR CONSTANT VALVE TICK. BLOWN SPARK PLUGS CAUSED PISTON MELTDOWN CAUSING FOR THE PISTONG ROD TO SHOOT THROUGHT THE BLOCK CAUSE A FIRE TO THE ENGINE.. LUCKLY I STOP THE FIRE TOOK IT TO A DELAERSHIP TO VERIFY THE CAUSE OF THE DAMAGE BUT THE TECHNICINAS TOLD ME THAT THERES NOTHING THEY COULD DO BECAUSE THE BATTERY DIE THERE FOR IT RESET THE COMPUTER MODULE ERASING ALL THE DATA WITH THE PROBABLE CAUSE AND NOTHING WAS DONE AFTER THAT.. BOUGHT A NEW ENGINE AND NOW AFTER 20,000 MILES I GET THE SAME ISSUE BUT MITSUBISHI DOSE NOT WANNA BE RESPOSIBLE FOR A REPLACE ENGINE TO WHICH THEY REPLACE.

ON-DASH WARNING LIGHT OF "4WD SYSTEM SERVICE REQUIRED" CAME ON. THIS WARNING IS INDICATIVE OF A ACTIVE CENTER DIFFERENTIAL (ACD) PUMP FAILURE, GENERALLY DUE TO CORROSION FROM TREATED WINTER ROAD SURFACES AND/OR THE INABILITY TO HANDLE COLD-WEATHER CLIMATES. CAR WAS PREVIOUSLY SERVICED UNDER A TECHNICAL SERVICE BULLETIN (TSB) TO DELAY ACTIVATION OF THE ACD PUMP FOR THIS EXACT REASON 2 YEARS PRIOR TO FAILURE. MITSUBISHI HAS YET TO CORRECT THIS MANUFACTURING DEFECT AND IS CURRENTLY REFUSING TO HONOR WARRANTY SERVICE OF FAILED PUMPS UNDER THEIR 5-YEAR / 36,000-MILE POWERTRAIN WARRANTY, STATING THAT THE PUMP IS NOT REQUIRED FOR THE VEHICLE TO OPERATE SAFELY AND PROPERLY. IN CONTRAST, A WORKING ACD PUMP DIRECTLY EFFECTS THE VEHICLE'S HANDLING, TRACTION & STEERING - AND ALL 3 DRIVING PARAMETERS IMMEDIATELY BEHAVE DIFFERENTLY WHEN THE PUMP SHUTS DOWN IN SELF-PROTECTION MODE OR HAS FAILED COMPLETELY. THIS VEHICLE HAS A DRIVER-SELECTED SETTING FOR TARMAC (PAVEMENT), GRAVEL/RAIN & SNOW CONDITIONS - THESE SETTINGS ARE COMPLETELY DISABLED WHEN THE ACD PUMP HAS FAILED, OR IS FAILING (ON-DASH WARNING WITH PUMP IN SELF-PROTECTION MODE). THIS ISSUE EFFECTS SEVERAL MODELS (LANCER, LANCER EVOLUTION, RALLIART, ETC.) FROM MODEL YEAR 2008 TO 2014, AND HUNDREDS OF INSTANCES OF THIS ISSUE HAVE BEEN DOCUMENTED IN ONLINE FORUMS (AND PROBABLY SEVERAL-FOLD THAT AMOUNT THAT HAVEN'T BEEN DISCUSSED ONLINE). PLEASE LOOK INTO THIS ISSUE IMMEDIATELY, THANK YOU.

TRANSFER CASE IN THIS CAR OMITS A LOUD WHINING NOISE WHEN DRIVING FORWARD. NOISE INCREASES IN VOLUME THE FASTER THE CAR IS GOING. THIS WHINE IS DUE TO THE WEARING OF THE GEARS BECAUSE OF A FAULTY DESIGN. WHEN THE TRANSFER CASE WHINE HAPPENS, IT HAS A HIGH PROBABILITY OF LOCKING UP WHICH WILL CAUSE ALL WHEELS TO STOP SPINNING POTENTIALLY CAUSING A SERIOUS ACCIDENT AND POSSIBLY DEATH. *TR

WHILE DRIVING THE VEHICLE IN WARMER WEATHER, A WARNING (4WD SYSTEM SERVICE REQUIRED) IS DISPLAYED ON THE DASH AND THE S-AWC AWD SYSTEM IS DISABLED. THE ACTIVE CENTER DIFFERENTIAL AND TORQUE BIASING REAR DIFFERENTIAL ARE DISABLED, WHICH GREATLY REDUCES HANDLING AND CAUSES THE VEHICLE TO REACT DIFFERENTLY THAN NORMAL IN EMERGENCY SITUATIONS. THIS IS THE RESULT OF A FAILING ACD/AYC HYDRAULIC PUMP. MITSUBISHI WILL NOT COVER THESE PUMPS UNDER THE POWER TRAIN WARRANTY, EVEN THOUGH IT IS A VERY COMMON PROBLEM. THE PUMPS CORRODE INTERNALLY AND ARE UNABLE TO BUILD AND MAINTAIN PRESSURE. *TR