Question about 1998 Mitsubishi Diamante

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Change the transmission fluid on a 98 Diamante?

I need to get the correct answer on how often I should be changing the fluid on my 98 Diamonte - 150,000 miles

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  • amir isic May 11, 2010

    30 to35k not more ower

  • Rick Byrd
    Rick Byrd May 11, 2010

    looking at the maintenance flow chart for the 98 diamante , its listed as change automatic transaxel fluid every 30,000 miles. ATF fluid type diamond sp II. 30k , 60k , 90k , 120k , 150 , and so on .

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Looking at the manufacturers maintenance flow chart for the 98 diamante , its listed as change automatic transaxel fluid every 30,000 miles. ATF fluid type diamond sp II. 30k , 60k , 90k , 120k , 150k , and so on . verifiable in owners manual.

Posted on Jan 07, 2009

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Look in the owners manual it should give you a time line or at about 60k

Posted on Jan 07, 2009

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Autotrans should be serviced every 20K, and yes that includes oil change, your car is old and high milage if you intend to keep it, then service the trans every 20K, change engine oil every 5K use good quality engine Oil, also replace oil filter everytime you change the oil. Dont forget to change the air filter!!!

Posted on Sep 02, 2009

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Hi there,

The Diamante transmission can actually have up to 2 filters - one internal & one external.

It is recommended to change both these filters when doing a transmission fluid change.

ONLY USE MITSUBISHI ATF - Do not use any other brand of fluid, or you will cause damage to the transmission (Mitsubishi fluid has special properties).

The internal filter is inside the transmission casing and is accessed by dismantling the trans casing - careful, as oil will escape from the trans when you remove this cover. See item # 29, in picture.
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The external trans filter (miniature version of an engine oil filter) is mounted on the transmission body, which is located behind (or under) the battery compartment. See Item # 6 in picture.



wolfman304_4.gif


Cheers,



"If this has helped you in any way, please rate this solution or kindly leave a testimonial"


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1 Answer

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1 Answer

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Yes...

You are absolutely correct.

The Mitsubishi Diamante has the advanced electronic transmission, which MUST only use "special" Mitsubishi transmission fluid.

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So, it's imperative that the fluid level be checked while engine is warm, in park at idel speed.

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Cheers,


"if this has helped you in any way, please rate this solution"

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http://www.2carpros.com/car_repair_information/year/1999/make/mitsubishi/model/diamante/1999_mitsubishi_diamante_drive_belt_routing_diagram.htm

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