DEVELOPING EXPANSION CRACK IN COLLECTOR OF EXHAUST MANIFOLD OF THE 1986 2.0L MITSUBISHI MIGHT MAX PU. THIS IS DUE TO IMPROPER CASTING OF MATERIALS DURING PRODUCTION AND WHEN REPAIRED, IT IS REPLACED WITH ANOTHER DEFECTIVE UNIT OF THE SAME NATURE.
1986 Mitsubishi Mighty Max
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Mighty Max years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 0 of 7 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Engine And Engine Cooling. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Seat Belts. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
3 reports86 MITSUBISHI MIGHTY MAX PU:EXHAUST MANIFOLD:CRACKS DEVELOPED IN CASTING. CO INTO ENGINE/PASSENGER COMPARTMENT CAUSES FIRE/CO POISONING TO DRIVER/PASSENGER. COMPLAINT: QUESTION ARE THEY ONLY REQUIRED TO REPAIR ONCE WITH SAME DEFECTIVE PARTS? NOTIFIED BY MITSUBISHI CORP. RECALL ON EXHAUST MANIFOLD ON ABOVE VEHICLE. RECALL STATE…
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86 MITSUBISHI MIGHTY MAX PU:EXHAUST MANIFOLD:CRACKS DEVELOPED IN CASTING. CO INTO ENGINE/PASSENGER COMPARTMENT CAUSES FIRE/CO POISONING TO DRIVER/PASSENGER. COMPLAINT: QUESTION ARE THEY ONLY REQUIRED TO REPAIR ONCE WITH SAME DEFECTIVE PARTS? NOTIFIED BY MITSUBISHI CORP. RECALL ON EXHAUST MANIFOLD ON ABOVE VEHICLE. RECALL STATED DUE TO PROBLEMS IN MANUFACTURING/CASTING OF MATERIALS OF EXHAUST MANIFOLD, CRACKS DEVELOP IN MANIFOLD WHICH RELEASE CO INTO ENGINE/PASSENGER COMPARTMENTS. THIS COULD CAUSE FIRE OR CO POISONING PASSENGERS. VEHICLE SERVICED RECALL AT DEALER, NOT SURE STILL EXIST AUTOWEST MITSUBISHI FREMONT,CA. AFTER TIME, I NOTICED LARGE CRACK OUTSIDE CASTING OF MANIFOLD. ALMOST 360 AROUND COLLECTOR OF 4 EXHAUST TUBES OF MANIFOLD. CRACK IS EMITTING CO BECAUSE A RESIDUE DEVELOPED BY EXHAUST ESCAPING CRACK.(BLACK CARBON). I CALLED DEALER SPOKANE, WA; APPLEWAY MITSUBISHI. ASKED ABOUT REPAIRS FOR MANIFOLD, CONTACT MITSUBISHI CORP. 1-800-222-0037. I CALLED AND TALKED TO 2 PEOPLE ABOUT EXHAUST MANIFOLD. 1ST SAID, NO RECALL FOR MANIFOLD, 1 ISSUED FOR SAFETY HARNESS.I ASKED TO TOW VEHICLE TO DEALER FOR REPAIR. HE COULD NOT ANSWER QUESTION. TRANSFER TO 2ND. 2ND SAID, EXHAUST MANIFOLD WAS REPAIRED ONCE, WILL NOT REPAIR IT AGAIN,NO LONGER PART OF SAFETY CAMPAIGN AND VEHICLE TOO OLD. VEHICLE IS OLDER, BUT FAR FROM EFFECTS OF AGE, I STATED TO EMPLOYEE. HE STATED NO LONGER REPAIR EXHAUST MANIFOLDS. I ASKED TOWING VEHICLE FOR SEATBELT RECALL. 2ND PERSON ACTUALLY LAUGHED AT REQUEST, AFTER SHORT TIME AWAY FROM PHONE, SAID" NO WE WILL NOT TOW VEHICLE, NOT THEIR RESPONSIBILITY. STATE WA. SEATBELT FINE $86 REPORTED *HE MADE COUPLE SUGGESTIONS CONCERNING SEATBELT LAWS, 1) USE RUBBER BAND, MAKE LOOK LIKE ITS ON.(SMERK, YA RIGHT) 2) DON'T HIT ANYTHING. 3) HE ASKED, "WHY VEHICLE USED SO LONG WITH BUSTED BELT. I SAID,"RECALL STATED IN ACCIDENT, IT COULD RELEASE, CAUSING INJURY. I HAVENT TESTED THEM YET.(LAUGHING? I WAS)HE ASSURED NO TOWING.
THE EXHAUST SYSTEM; THERE IS BLACK SMOKE FUMES COMING OUT OF THE EXHAUST PURCHASE TRUCK USED. TT
Official recalls
195V103004 · Seat Belts:front:buckle Assembly
May 24, 1995
THE FRONT SAFETY BELT BUCKLE RELEASE BUTTONS CAN BREAK. THESE RED PLASTIC RELEASE BUTTONS ARE MARKED "PRESS." IF A BUTTON BREAKS, PIECES CAN FALL INTO THE BUCKLE ASSEMBLY CAUSING THE BUCKLE TO OPERATE IMPROPERLY.
Consequence & remedy
Consequence: THE SAFETY BELTS WOULD NOT PROVIDE ADEQUATE PROTECTION TO AN OCCUPANT IN A VEHICLE CRASH.
Remedy: OWNERS SHOULD PROMPTLY CHECK THE CONDITION AND OPERATION OF BOTH FRONT SAFETY BELT BUCKLES AND CAREFULLY INSPECT THE RED RELEASE BUTTON FOR ANY BREAKS OR CRACKS. THEY SHOULD ENSURE THAT BOTH BUCKLES ARE OPERATING PROPERLY BY INSERTING EACH LATCH PLATE INTO ITS BUCKLE, TUGGING ON THE BELT TO MAKE SURE THE LATCH IS SECURELY LOCKED, AND THEN PRESSING THE RELEASE BUTTON. THE LATCH PLATE SHOULD POP OUT OF THE BUCKLE WHEN THE BUTTON IS PRESSED. IF EITHER RELEASE BUTTON SHOWS A SIGN OF BREAKING OR CRACKING OR IF EITHER BUCKLE FAILS TO OPERATE PROPERLY, OWNERS SHOULD PROMPTLY CONTACT THEIR AUTHORIZED DEALER TO SCHEDULE AN APPOINTMENT TO HAVE THE BUCKLE REPLACED OR REPAIRED, FREE OF CHARGE. THE MANUFACTURER IS DEVELOPING A REMEDY DESIGNED TO PREVENT FAILURE OF THE BUTTONS THAT ARE NOT CURRENTLY BROKEN.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
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