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DE OUTLANDER

DE ... 2/18/2017

2008 Mitsubishi Outlander XLS 6 Cyl 3.00L

Transmissions & Drivetrains

I have a 2008 Mitsubishi Outlander XLS V6 Automatic 6 Speed with a 105,000 miles, it has never had its transmission flu

I have a 2008 Mitsubishi Outlander XLS V6 Automatic 6 Speed with a 105,000 miles, it has never had its transmission fluid changed is it a good idea to change it now or leave it alone? Will changing the transmission fluid do more harm than good? What would be the best place to have it changed? Mitsubishi Dealer, AAMCO, Firestone, Pepboys? Which type of change is the best Flush, Drain and Fill, Drop pan?

2 Answers


Jimm

Jimm 2/18/2017

Yes, change the fluid. Always drop the pan, change the filter as well. Best place to change the fluid and filter is your own driveway or work area.
A transmission flush should be avoided as the flush cannot nor does not replace the filter. You are left with semi-clean fluid and a dirty filter after the transmission flush. With a dirty filter there is risk of fluid starvation and transmission failure.

A complete service should ideally include draining the fluid, removing the pan and inspection of the old oil to look for signs of current or near-future issues. Dropping the pan is important because the used fluid, what is lying in the pan and what is trapped in the filter will all tell you a lot about what condition the transmission is in. Some of the gunk that is flushed ends up in the pan and is then sucked up into the filter. If the filter becomes too clogged, then the pump will starve for fluid, components will not get lubricated which leads to heat, friction, slippage and eventually failure.

Make sure you follow the proper procedures recommended in the vehicle owners manual. Numerous vehicle manufacturers advise against transmission flushing for the reasons given above. Be wary of any dealers or repair shops which try to 'add' services not listed in the maintenance guidelines - avoid these unscrupulous practices. For example, there is no such service listed for 'fuel induction cleaning' as recommended maintenance.

Avoid system flushes for the same reasons - no need in general to flush any system of the vehicle - with maybe the exception of the cooling system, but even then the flush or fluid change is based on the cooling system condition; radiator clogged or loss of flow, as example.

Simply change out the fluid periodically in the brake system, and power steering - following the recommendations listed in the owners manual maintenance section. If no frequency is specified, then change every 24-36k miles.

Try these on-line resources for the replacement parts: www.autopartswarehouse.com, www.partsgeek.com, www.rockauto.com, www.partstrain.com - to list a few.

For example, they (Parts Geek) list the replacement transmission filter kit from around $14.50 for your vehicle.

Transmission filter kit = TRANSMAXX part #5170701, or Vaico part #W0133-1845145 - or their equivalent

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mitsuman

mitsuman 3/20/2017

i know the 2.4 liter engine in that vehicle does not have a serviceable filter...double check to make sure you can easily change yours. if you cant then just drain and fill. 2.4 engine has a drain bolt on side easy...not sure on 6 cylinder. pretty sure most mitsus also have magnetic drain plug,clean it also....i have good results with max life atf multi vehicle fluid. i would never pay over $ 10 a qt. for dealer fluid,maxlife just as good.

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