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2003 Mitsubishi Diamante

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2003 Mitsubishi Diamante do not stand out strongly from the model-year median of 31.5.

About this comparison →
56Owner complaints

Model-year median: 31.5

2Recall campaigns

View recall details →

0Investigations

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How this year compares

Owner complaints by model year

Other model years Selected year
51
200078
2001123
200256
20033
2004
Compare all Diamante years →

Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Visibility
28Engine And Engine Cooling
17Power Train
4Service Brakes, Hydraulic
4Equipment
3
All reported categories
Suspension
3Tires
3Electrical System
2Fuel System, Gasoline
2Air Bags
1Exterior Lighting
1Latches/locks/linkages
1Parking Brake
1Seats
1Structure
1

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

44 reports with mileage · 12 unknown

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.

  • Visibility. Review the 28 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 17 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

1 crash reports0 fire reports1 injury reports

Suspension complaints

3 reports
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Mileage unknown · Apr 17, 2005
Suspension

VEHICLE FRONT END SHIFTS BACK AND FORTH WHEN BEHIND TRACTOR TRAILERS ON HIGHWAY. SITUATION IS DANGEROUS WHEN TRACTOR TRAILER PULLS OUT IN FRONT OF ME. NOT DUE TO TAILGATING, SINCE IT IS THE WORST WHEN APPROXIMATELY 5 CAR LENGTHS ARE BETWEEN TRACTOR TRAILER AND ME. CAR IS DIFFICULT TO CONTROL DUE TO SHIFTING. FRONT END WAS CH…

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VEHICLE FRONT END SHIFTS BACK AND FORTH WHEN BEHIND TRACTOR TRAILERS ON HIGHWAY. SITUATION IS DANGEROUS WHEN TRACTOR TRAILER PULLS OUT IN FRONT OF ME. NOT DUE TO TAILGATING, SINCE IT IS THE WORST WHEN APPROXIMATELY 5 CAR LENGTHS ARE BETWEEN TRACTOR TRAILER AND ME. CAR IS DIFFICULT TO CONTROL DUE TO SHIFTING. FRONT END WAS CHECKED AND THERE ARE NO ALIGNMENT PROBLEMS, AND TIRES HAVE BEEN REPLACED. SHIFTING CONTINUES TO OCCUR EVEN WITH TRACTION CONTROL TURNED OFF. AERODYNAMICS PROBLEM OR VEHICLE STABILITY PROBLEM? ALSO OWN A 1998 DIAMANTE THAT DOES NOT HAVE THIS PROBLEM. PROBLEM HAS OCCURRED SINCE VEHICLE PURCHASE AND SEVERITY OF PROBLEM HAS REMAINED THE SAME.*AK

NHTSA ODI #10117994

30,000 miles · Mar 22, 2005
Service Brakes, HydraulicSuspension

WHEN I APPLY THE BRAKES, THE CAR SHAKES AND JERKS UNCONTROLLABLY. I HAVE HAD WORK DONE ON THE ROTORS AS WELL AS THE BRAKES. I HAVE FOUR NEW TIRES, BUT PROBLEM STILL OCCURS. I AM AFRAID THAT ONE DAY WHILE DRIVING THIS CAR THE BRAKES WILL FAIL AND CAUSE MY FAMILY AND I SERIOUS INJURY . THIS IS A 2003 MITSUBISHI DIAMANTE, AND THE …

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WHEN I APPLY THE BRAKES, THE CAR SHAKES AND JERKS UNCONTROLLABLY. I HAVE HAD WORK DONE ON THE ROTORS AS WELL AS THE BRAKES. I HAVE FOUR NEW TIRES, BUT PROBLEM STILL OCCURS. I AM AFRAID THAT ONE DAY WHILE DRIVING THIS CAR THE BRAKES WILL FAIL AND CAUSE MY FAMILY AND I SERIOUS INJURY . THIS IS A 2003 MITSUBISHI DIAMANTE, AND THE INCIDENTS HAVE OCCURRED DAILY 3 MONTHS AFTER I PURCHASED THE VEHICLE.*AK

NHTSA ODI #10114500

773 miles · Jul 23, 2004
Suspension

2003 DIAMANTE PURCHASED IN OCT 2003. VEHICLE VIBRATED "HORRIBLY" WHEN BRAKES ARE APPLIED. VIBRATION/LOUD HIGHWAY TIRE NOISE. BOTH REAR TIRES "CUP". ALSO, RUBBING SOUND R/F WHEEL AREA WHEN TURNING. DESPITE SEVEN (7) ATTEMPTS AT REPAIR BY DEALER THIS CONDITION PERSISTS. ONGOING CONDITION. MANUFACTURING REP OFFERS TO PUT ON THI…

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2003 DIAMANTE PURCHASED IN OCT 2003. VEHICLE VIBRATED "HORRIBLY" WHEN BRAKES ARE APPLIED. VIBRATION/LOUD HIGHWAY TIRE NOISE. BOTH REAR TIRES "CUP". ALSO, RUBBING SOUND R/F WHEEL AREA WHEN TURNING. DESPITE SEVEN (7) ATTEMPTS AT REPAIR BY DEALER THIS CONDITION PERSISTS. ONGOING CONDITION. MANUFACTURING REP OFFERS TO PUT ON THIRD NEW SET OF TIRES IN 30K MILES; YET STATES THERE IS NOTHING WRONG WITH THE VEHICLE. DEALER'S SERVICE DEPT ACKNOWLEDGES PROBLEMS WITH BRAKES ON DIAMANTES. WE HAVE BEEN FORCED TO EMPLOY AN ATTORNEY TO GO THE ROUTE OF INVOKING THE NC LEMON LAW. *AK

NHTSA ODI #10082556

Official recalls

2

04V428000 · Equipment:other:labels

Sep 1, 2004

CERTAIN PASSENGER VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 208, 'OCCUPANT CRASH PROTECTION.' THE BILINGUAL ENGLISH/SPANISH REMOVABLE AIR BAG WARNING LABELS AFFIXED TO THE DASH AND TO THE SUNVISOR DO NOT MEET THE SIZE REQUIREMENTS OF THE STANDARD.

Consequence & remedy

Consequence: THIS DOES NOT MEET THE REQUIREMENTS OF THE STANDARD.

Remedy: MITSUBISHI CARIBBEAN WILL MAIL A CUSTOMER NOTIFICATION LETTER CONTAINING A WRITTEN DESCRIPTION AND A GRAPHIC OF THE BI-LINGUAL DASHBOARD AIR BAG WARNING LABEL. IN ADDITION, ALL CURRENT 2000-2004 NATIVA OWNERS WILL ALSO RECEIVE REPLACEMENT AIR BAG ALERT LABELS FOR THE SUN VISORS. THIS RECALL IS EXPECTED TO BEGIN DURING MARCH OR APRIL 2005. THE NOTIFICATION TO THE NATIVA OWNERS IS EXPECTED TO BEGIN DURING APRIL OR MAY 2005. OWNERS SHOULD CONTACT MITSUBISHI CARIBBEAN AT 1-787-251-8715.

04V067000 · Equipment:other:owners/service/other Manual

Feb 11, 2004

CERTAIN SPORT UTILITY AND PASSENGER VEHICLES FAIL TO COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, "CHILD RESTRAINT ANCHORAGE SYSTEMS." THE OWNER'S MANUAL DOES NOT CONTAIN A STEP-BY-STEP DESCRIPTION FOR HEADREST ADJUSTMENT WHEN INSTALLING A CHILD RESTRAINT SYSTEM (CRS) TETHER STRAP.

Consequence & remedy

Consequence: IF THE TETHER STRAP IS IMPROPERLY INSTALLED TO THE TETHER ANCHOR, THE CHILD SAFETY SEAT MAY NOT BE SUFFICIENT RESTRAINED. IN THE EVENT OF A CRASH, THE CHILD COULD BE INJURED.

Remedy: A LETTER OUTLINING THE PROBLEM WILL BE SENT TO OWNERS ALONG WITH A STICKER CONTAINING THE CORRECT INSTRUCTIONS AS WELL AS INSTRUCTIONS ON WHERE TO AFFIX THE STICKER IN THE OWNER'S MANUAL. THE RECALL BEGAN ON MARCH 29, 2004. OWNERS SHOULD CONTACT MITSUBISHI AT 1-888-648-7820.

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

0

No exact-year investigations in this snapshot.