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Resources for the Repair and Maintenance of your Mitsubishi Diamante

Mitsubishi Diamante Models:

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Mitsubishi Diamante Problems

Heating & Air Conditioning -- Verified

A coolant leak may develop from the heater core, requiring replacement of the heater core.

Drive Train -- Verified

The automatic transmission may fail prematurely requiring overhaul or replacement of the transmission.

Brakes -- Verified

A brake pedal pulsation may be noted on brake apply. This is commonly caused by warping of the front brake rotors. Our technicians remind us that re-machining (turning) the rotors can correct this issue but the repair may last only a short time as the thinner rotors would be even more prone to warping. Replacement of faulty rotors with high quality parts is often the best option in these situations.

Miscellaneous -- Verified

The seat belts may not properly retract due to an internal fault with the retractor mechanism. Replacement of the seat belt retractor would be required to correct this concern.

Electrical & Lights -- Verified

There have been reports of airbags not deploying in the event of a frontal impact. Some claim that a shorted airbag wire harness can cause this to occur. Unfortunately there is no diagnoses that will isolate this problem other than fault codes stored in the airbag control module. Our technicians recommend to have any airbag light issues diagnosed and repaired in order to help ensure the airbags will deploy when needed.

Mitsubishi Diamante Recalls (Recent)

Body, Interior & Misc.

Summary: 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.

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Body, Interior & Misc., March 19, 1993

Summary: THE REAR OUTBOARD LOWER SAFETY BELT ATTACHMENT BOLT WAS INADEQUATELY TORQUED ON INSTALLATION.

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Brakes, June 30, 2000

Summary: VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE HEAD OF THE SCREW THAT HOLDS THE RETAINING CLIP FOR THE PARKING BRAKE SHOE CAN BECOME BRITTLE AND BREAK OFF.

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Brakes, December 3, 1996

Summary: UNDER CONDITIONS OF FULL LOCK STEERING AND FULL SUSPENSION TRAVEL, THE LEFT OR RIGHT FRONT WHEEL-SIDE BRAKE HOSE CAN CRACK, RESULTING IN BRAKE FLUID LEAKAGE.

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Brakes, September 15, 1996

Summary: UNDER CONDITIONS OF FULL LOCK STEERING AND FULL SUSPENSION TRAVEL, THE LEFT OR RIGHT FRONT WHEEL-SIDE BRAKE HOSE CAN CRACK, RESULTING IN BRAKE FLUID LEAKAGE.

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Mitsubishi Diamante Questions and Answers

waynea40, 1992 Mitsubishi Diamante, 3.0L V6 SOHC, White Bluff, TN

whats causing my engine to rev up to 2200-2300 rpm for no apparent reason? still does it if i shut engine off and restart. then it will go back to normal,about 7to800 rpm.

waynea40, 1992 Mitsubishi Diamante, 3.0L V6 SOHC, White Bluff, TN

checked vacuum lines,they seem ok. check engine lite is not on,but the coolant lite is. coolant is full in radiator and the reservoir. started black smoking, bad egr maybe?

waynea40, 1992 Mitsubishi Diamante, 3.0L V6 SOHC, White Bluff, TN

do you check the engine trouble codes with a pin or paperclip like the obd1 system like a gm vehicle? if so, which pins in the connector do you use? i also have a PWR light coming on now. any ideas...

waynea40, 1992 Mitsubishi Diamante, 3.0L V6 SOHC, White Bluff, TN

I would like to thank you for your time and helpful answers. My daughter bought this car without me checking it out first. Seems these cars came from the factory with alot of problems,(electronics,...

Ardean, 1992 Mitsubishi Diamante, 3.0L V6 SOHC, Smithdale, MS

When driving, the oil light flickers on and off

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Mitsubishi Diamante Reviews

2003 Mitsubishi Diamante' LS -- Very nice This has been my favorite car that ive owned so far. The luxury aspect of it reeled me in. The heated leather seating smooth ride. The fact that the memory buttons on the driver door always adjusted to my comfortable seating position AS i was getting! yaaa THATS NICE

I bought the car with 20,000 miles on it and the abs light came on in the first storm. I didn't have the pump replaced, too pricey. I now have 108,000 miles on it, have always had it serviced, but the valve cover gaskets are leaking now. I have had some brake jobs done and things like that but I think they did a lousy job, they have always squealed since. I don't like how low the front end is, it scrapes over low bumps and such. The interior is perfect (leather) all the fancy upgrades work except the heater never works down on the floor, just in the middle. A/C is great, speakers are a bit blown but think it was done at a shop when I had body work done, it was a great system. I have put a LOT of stop and go miles on it going to work and that is part of the problem with brakes and such. Its been a good car but think its getting tired. Not as good as a Toyota or Honda for sure.

Bought car new in 1995.Today it has 166,782 miles Best car ever. Lived on a dirt road in New Mexico for 16 years. Now in Seattle. Car has original headlights. Did 60,000 timing belt etc.Changed oil every 4000 miles.It's best at 70mph an above.It,s swiss clock has never been off a min.

i need to an estimate for replacing both power steering lines on my 1992 mitsubishi diamante

Great car for the money, reliable, stylish and powerful. Interior is second to none...4.5 stars out of 5

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