1999 Mitsubishi Diamante: Recalls, Problems & MPG
Here are the deets on the 1999 Mitsubishi Diamante: 2 recalls, 23 owner complaints and up to 18 mpg combined.

Recalls
2 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Parking brake Vehicle recall #00V132000 · 2000 · 9,250 vehicles
What's wrong: The head of the screw that holds the retaining clip for the parking brake shoe can become brittle and break off.
Why it matters: If the screw head breaks off, the parking brake shoe retainer clip can become dislodged and could result in the parking brake dragging and/or failure of the parking brake to properly hold. Seizure of the parking brake shoe, especially on wet or snow covered roads, could result in lockup of one of…
The fix: Dealers will replace the retaining clip screw and in the process inspect the rear brake system of any possible related damage. Any related damage that May be found will also be repaired.
Equipment Vehicle recall #04V428000 · 2004 · 100,432 vehicles
What's wrong: 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.
Why it matters: This does not meet the requirements of the standard.
The fix: 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…
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 0 injuries and 0 deaths were reported.
What owners describe
- Visibility (wipers, glass) (10): the most common themes are leaks (5), electrical failure (2).
- Suspension (3): no single recurring theme in the descriptions.
- Engine & cooling (3): no single recurring theme in the descriptions.
- Brakes (hydraulic) (2): no single recurring theme in the descriptions.
The 1999 Mitsubishi Diamante has 23 owner complaints, ranking #10 of 12 Diamante model years for complaints (well below the 42 average). Complaints peaked in 2006 (6 filed that year). The typical problem showed up when the car was about 6 years old, at a median of 86,450 miles. Neighboring years: 1998 (27 complaints, 1 recalls), 2000 (51 complaints, 3 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 3.5 L 6-cyl | Automatic 4-spd | Front-Wheel Drive | 16 | 22 | 18 | Premium |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 1999 Mitsubishi Diamante.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
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FAQ
Does the 1999 Mitsubishi Diamante have any recalls?
Yes. NHTSA lists 2 vehicle recalls for the 1999 Mitsubishi Diamante. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 1999 Mitsubishi Diamante problems?
Owners have filed 23 complaints with NHTSA. The most-reported areas are visibility (wipers, glass) (10), suspension (3), engine & cooling (3).
What gas mileage does the 1999 Mitsubishi Diamante get?
EPA ratings run up to 18 mpg combined (3.5 L, Automatic 4-spd), across 1 engine and transmission combos.
Where can I get a 1999 Mitsubishi Diamante repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.