Vehicle Data Hub

Mitsubishi cooling system problems

Across all Mitsubishi models in NHTSA's complaint database, 147 complaints involve cooling system. The Diamante accounts for the largest share (29%). The single worst model year is the 2002 Diamante with 17 cooling system complaints.

At a glance

Complaints
147 about cooling system, all Mitsubishi models
Most affected
Diamante 29% of these complaints
Typical mileage
60,000 miles 76 complaints with mileage
Crashes and fires
5 and 2

Source: NHTSA owner complaints

Which Mitsubishi models

ModelComplaintsShare
Diamante4329%
Galant3121%
Eclipse2014%
Endeavor1410%
Montero107%
Outlander85%
Lancer75%
Mighty Max43%
Mirage32%
3000GT11%

Worst model years for cooling system

  1. 2002 Mitsubishi Diamante17 complaints
  2. 2003 Mitsubishi Diamante12 complaints
  3. 2004 Mitsubishi Endeavor11 complaints
  4. 2003 Mitsubishi Galant9 complaints
  5. 1999 Mitsubishi Galant8 complaints

Cooling system complaints by model year

Mitsubishi cooling system complaints by model year 0 18 35 1990: 2 '90 1992: 2 '92 1993: 3 '93 1994: 7 '94 1995: 5 '95 1996: 1 '96 1997: 10 '97 1998: 6 '98 1999: 10 '99 2000: 6 '00 2001: 19 '01 2002: 24 '02 2003: 33 '03 2004: 14 '04 2005: 5 '05
Totals across all models of the brand. Older model years have had longer to collect complaints.
View the numbers
Model yearComplaints
19902
19922
19933
19947
19955
19961
199710
19986
199910
20006
200119
200224
200333
200414
20055

Among the 76 of these complaints that report mileage, the median is about 60,000 miles.

Complaint counts are not adjusted for how many vehicles each brand sells, so large brands naturally have more complaints.