2012 Mazda3 2.0L 4cyl Automatic - tranmission flush

Asked by Apr 06, 2017 at 10:14 PM about the 2012 Mazda MAZDA3 i Touring

Question type: Maintenance & Repair

Hello!

I financed a Mazda3 2.0 4cyl auto at 36k and I am
now at 77k. I change my oil at every 3-5k. She has
been shifting a bit hard or delayed in between 3rd
&4th gear.

Someone advised for me to get a transmission
flush done and others have stated to do a drain/fill
to eliminate tranny damage.

Mazda manual doesnt state anywhere on when to
maintenance the transmission - i only seen the
fluid type - which where I take it, it probably will not
be that fluid.

Ive read mazda advises no maintenance needed
on transmission, which cant be right.. Its gotta be
done some time..

Any knowledge or advice would be awesome! Im
trying to prevent any future damage and keep her
healthy!

Thanks!

7 Answers

I also checked the fluid and it looks brown, not orange or dark red.. There are two marks on the stick and the fluid level is in between the two marks.

79,735

Don't flush the transmission, just change the fluid and the filter which should be done every 30,000 miles or so. Check your owners manual for the service interval but you also want to keep and eye on the fluid - if it is a healthy red it is OK but pink or brown is bad.

1 of 1 people found this helpful.
79,735

If you have a service book with the car the fluid interval will be in it. Clearly you have waited too long if it is brown.

I am stuck between whether the flush is necessary now since its only at 77k or if I should just do the drain/fill. Would it make more sense to flush it out earlier then next time do a drain/fill? Or just never get the flush done.

79,735

Flushes have a bad reputation for damaging transmissions. Since the fluid is brown you may want to change the fluid and filter again after a few months. Keep an eye on the fluid color/level.

74,715

Totally agree with FOR. Transmission flushes only cause problems. Only a fluid and filter change.

1 of 1 people found this helpful.
20,015

Start with drain/new filter & refill. 1-3 times a year drain a quart and replace with new quart.

1 of 1 people found this helpful.

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