2011 model year · 0+ owner reports · Updated April 2026
According to Au7o's analysis of 0+ owner reports, the 2011 Mitsubishi Endeavor has 2 documented known issues, with 1 rated critical. The most serious is Automatic Transmission Harsh Shifting and Failure ($1,500-$4,000 repair). Across all issues, repair costs range from $500 to $4,000. DIY maintenance guides at au7o.io.
On the 2004-2011 Mitsubishi Endeavor 3.8L 6G75 V6, the Endeavor 4-speed automatic transmission develops harsh shifting and premature wear, often failing between 100,000 and 130,000 miles. The transmission shares components with the Galant and Eclipse platforms, inheriting their reliability weaknesses.
Perform ATF changes every 30,000 miles. Install an auxiliary cooler for vehicles used for towing. A quality remanufactured transmission with updated clutch packs is the best repair option.
On the 2004-2011 Mitsubishi Endeavor, the Endeavor shares the same AC compressor platform as other Mitsubishi models of the era, and it is equally prone to premature failure. The compressor clutch and internal seals fail between 60,000 and 90,000 miles.
Replace the compressor assembly with the receiver/drier and expansion valve. Flush AC lines and use the correct refrigerant charge. An OEM-quality aftermarket compressor provides good longevity at lower cost.
ELECTRICAL SYSTEM:SOFTWARE
MITSUBISHI IS RECALLING CERTAIN MODEL YEAR 2006-2008 ENDEAVOR WITH MANUAL AIR CONDITIONING. DUE TO AN INCORRECT HEATER (HVAC) CONTROLLER SIGNAL, THE AIR FLOW FROM THE AIR VENTS MAY RANDOMLY CHANGE DIRECTION AND/OR THE TEMPERATURE MAY BRIEFLY CYCLE BETWEEN HOT AND COLD.
FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP
MITSUBISHI IS RECALLING CERTAIN MODEL YEAR 2004-2010 ENDEAVOR VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, KENTUCKY, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, VIRGINIA, WEST VIRGINIA, WISCONSIN, AND WASHINGTON D.C. COLD STATES INCLUDE NORTH DAKOTA, SOUTH DAKOTA, NEBRASKA, KANSAS, OKLAHOMA, COLORADO, WYOMING, MONTANA, IDAHO, WASHINGTON, OREGON, AND UTAH. ADJOINING STATES INCLUDE ARKANSAS, TENNESSEE, AND NORTH CAROLINA. IN SEVERE CORROSIVE ENVIRONMENTS WHERE ROAD SALTS ARE FREQUENTLY USED IN WINTER VEHICLES MAY BE EXPOSED TO ROAD DEBRIS (MUD) MIXED WITH ROAD SALT. THIS MATERIAL CAN BECOME TRAPPED BETWEEN A REINFORCING BRACKET AND THE FUEL FILLER PIPE, POTENTIALLY CAUSING CORROSION. OVER TIME, CORROSION COULD CREATE A LEAK IN THE FUEL FILLER PIPE THAT COULD RESULT IN A FUEL LEAKAGE WHEN FUELING THE VEHICLE.
ELECTRICAL SYSTEM:IGNITION
MITSUBISHI IS RECALLING 120,000 MY 2004-2006 ENDEAVOR PASSENGER VEHICLES. DURING VEHICLE USE, THE IGNITION KEY INTERLOCK CABLE (WHICH IS A COMPONENT OF THE INTERLOCK SYSTEM) MAY ALLOW THE INTERLOCKING CAM TO FALL FORWARD AND ALLOW THE IGNITION KEY TO BE REMOVED FROM THE IGNITION SWITCH WHEN THE GEARSHIFT MECHANISM IS NOT IN THE PARK POSITION.
Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.
Don't see your problem? Describe your symptoms to get a diagnosis, or get a full repair guide.
According to Au7o's analysis of 0+ owner reports, the 2011-2011 Mitsubishi Endeavor has 2 documented issues. The most frequently reported are: Automatic Transmission Harsh Shifting and Failure, AC Compressor Premature Failure. Of these, 1 is rated critical and should be addressed promptly.
The 2011-2011 Mitsubishi Endeavor has 2 known issues documented across 0+ owner reports. 1 issue is rated critical: Automatic Transmission Harsh Shifting and Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
Repair costs for known Mitsubishi Endeavor issues range from $500 to $4,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Automatic Transmission Harsh Shifting and Failure, typically costs $1,500-$4,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
The Endeavor 4-speed automatic transmission develops harsh shifting and premature wear, often failing between 100,000 and 130,000 miles. The transmission shares components with the Galant and Eclipse platforms, inheriting their reliability weaknesses. Repairs typically run $1,500-$4,000. Severity: high.
The Endeavor shares the same AC compressor platform as other Mitsubishi models of the era, and it is equally prone to premature failure. The compressor clutch and internal seals fail between 60,000 and 90,000 miles. Repairs typically run $500-$1,200. Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.
