Mitsubishi Diamante Visibility Problems

Source: NHTSA · Updated Jul 22, 2019 · 210 complaints analyzed

Owners have filed 210 complaints with NHTSA about visibility problems on the Mitsubishi Diamante across 7 model years. The 2002 model year has the most (71). The words owners use most often: “heater core” (72% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Heater core: mentioned in 152 of 210 complaints (72%)
  • Anti freeze: mentioned in 50 of 210 complaints (24%)
  • Smell antifreeze: mentioned in 17 of 210 complaints (8%)
  • Maple syrup: mentioned in 11 of 210 complaints (5%)

How much does it cost to fix?

Owners who wrote down what they paid or were quoted put the typical visibility repair on the Mitsubishi Diamante at $1,600, and half of them between $1,250 and $1,850.

Based on 58 NHTSA complaints about this problem alone that state a repair bill or quote (2003–2008), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.

At what mileage do visibility problems happen?

Based on 151 complaints that reported the odometer reading.

Under 10k miles4 · 3%
10k–25k miles2 · 1%
25k–50k miles43 · 28%
50k–75k miles59 · 39%
75k–100k miles32 · 21%
100k–150k miles10 · 7%
150k+ miles1 · 1%

How serious are the reports?

Of 210 complaints, 9 an injury.

Mitsubishi Diamante visibility complaints by model year

Peak: 2002, with 71 complaints
1997: 3199731998: 151998151999: 101999102000: 272000272001: 562001562002: 712002712003: 28200328

n = 210 complaints · Source: NHTSA

Model yearVisibility complaintsShare of that yearMedian miles
2003 Diamante2850%60,000
2002 Diamante7158%59,000
2001 Diamante5672%58,050
2000 Diamante2753%63,000
1999 Diamante1043%82,000
1998 Diamante1556%74,000
1997 Diamante39%112,000

When owners reported it

Peak: 2005, with 52 complaints
1998: 2199821999: 1199912000: 2200022001: 4200142002: 2200222003: 4200342004: 252004252005: 522005522006: 402006402007: 472007472008: 232008232009: 3200932010: 520105

n = 210 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists visibility for the Mitsubishi Diamante. A pattern of complaints does not always lead to a recall.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

The heater core is an extremely dangerous problem. The windows in the car fog up so bad i couldnt drive the car...had to pull over and wipe the windows down. But the thing is...i didnt know what the problems was...until i realized the windows werent just being fogged by the cold, ect it was a toxic…

Received Dec 6, 2010 · NHTSA complaint 10369327

Tl*the contact owns 1999 mitsubishi diamante. The contact stated that while traveling at various speeds the rear view mirror would shake; and was not securely attached to the windshield. The vehicle was taken to an authorized dealer who stated that the rear view mirror was attached properly. On a…

Received Sep 7, 2010 · NHTSA complaint 10354347

Information redacted pursuant to the freedom of information act (foia), 5 u.s.c. 552(b)(6). This concerns my 2003 mitsubishi diamante. It has less than 50,000 miles on it and it has suddenly started spewing a light film on the inside of my front windshield so that i cannot see well...and not at all…

Received Mar 22, 2010 · NHTSA complaint 10321417

I have a 2003 mitsubishi diamante with 60,000 plus miles. For the past several months i have noticed a strong smell of anti-freeze coming from the vents and the windows constantly fogging up, sometimes to the point that i cannot see to drive. I have read many similar complaints and agree with…

Received Mar 11, 2010 · NHTSA complaint 10318872

Anti-freeze leak on carpet passenger side near firewall fogged up windows check engine light comes on and off due to the leak the ecu started working awful. *tr

Received Feb 16, 2010 · NHTSA complaint 10311071
Mitsubishi Diamante
2002-2003 Mitsubishi Diamante photographed in College Park, Maryland , USA.. Representative photo; appearance varies by model year. Photo: IFCAR, Public domain, via Wikimedia Commons.

Frequently asked questions

Do all Mitsubishi Diamantes have visibility problems?

No. NHTSA has 210 owner complaints about visibility for the Mitsubishi Diamante. Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the Mitsubishi Diamante visibility?

No recall currently lists visibility for this vehicle.

How much does it cost to fix visibility problems on the Mitsubishi Diamante?

Owners report a typical cost of $1,600 (half paid between $1,250 and $1,850), from 58 complaints that state a repair bill or quote, in 2026 dollars.

What do owners say about visibility problems on the Mitsubishi Diamante?

The most frequent phrase is “heater core”, in 152 of 210 complaints, followed by “anti freeze” (50).

See all Mitsubishi Diamante problems.