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Discussion Starter #1
I'm gonna attempted this when it gets warm. How many liters will I need? Also has anyone changed the filter and do you really have to take off the front bumper?
 

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4 quarters

My dealer did it and charge me 4 quarters. It is because not all fluid can come out (it remains 3 quaters more)
 

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Fluid capacity
(US qt, Imp qt)
9.6 — 10.0 (10.1 — 10.6, 8.4 — 8.8)
straight from the service manual
 

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transmission fluid change

any one do this theirself...I want to do this.

I heard it take a special fluid and additive
 

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Tranny Filter instructions

ATF Filter​
AUTOMATIC TRANSMISSION


18.ATF Filter​


A: REMOVAL​


1) Remove the front bumper. <Ref. to EI-21, REMOVAL,

Front Bumper.>
2) Using the ST, remove the ATF filter.
ST 498545400 OIL FILTER WRENCH​

B: INSTALLATION​


1) Apply a thin coat of ATF to the oil seal part of

new ATF filter.
2) Install the ATF filter. Turn it by hand, being careful
not to damage oil seal.
3) Tighten the ATF filter using ST.
Calculate the ATF filter tightening torque using following
formula.
T2 = L2/(L1 + L2) × T1
T1: 14 N·m (1.4 kgf-m, 10.1 ft-lb)
[Required torque setting]
T2: Tightening torque
L1: ST length 78 mm (3.07 in)
L2: Torque wrench length
Example:
NOTE:
Align the ST with the torque wrench while tightening
the ATF filter.
ST 498545400 OIL FILTER WRENCH
4) Fill ATF.
5) Inspect the level of ATF. <Ref. to 5AT-26, Automatic
Transmission Fluid.>
6) Install the front bumper. <Ref. to EI-22, INSTALLATION,
Front Bumper.>​

C: INSPECTION​


Check for rust, hole, ATF leaks or other damage.

Replace the part if any damage is found in the inspection.​

Torque wrench length

mm (in)
Tightening torque
N·m (kgf-m, ft-lb)
100 (3.94) 7.7 (0.79, 5.7)
150 (5.91) 9.0 (0.92, 6.7)
200 (7.87) 10 (1.0, 7.4)​
AT-03251
 

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It would be interesting to hear from someone that actually changed the filter and see if it can be done without removing the bumper.
 

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I'm almost positive you can change the ATF filter by removing the drivers side headlight capsule. Once that is out the filter is right there.
 

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NatetheSkate said:
ive read elsewhere on this forum that the tranny filter is not to b replaced unless damaged.
We know that.
The question is has anyone done it and how was it done.
Anyone?
As someone that cuts his used oil filters apart to inspect them after every oil change, I don't trust them to last until it becomes damaged externally.
 

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Subaru dealer wanted to replace it every 30,000 miles after drain and refill, ANOTHER SAID 60,000.

I believe 60,000 at earliest or I will wait till 100,000 to change filter.

Many new subbies the filters are gone and maybe screens taken their place.
 

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ok it was dome by my mechanic on 06 and 08; 06 take 5 qt and 08 took 5 also o don't know why they sad 4, level is low every time when do just 4.
 

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By the way does it going to harm tranny ? if level more they should be ? last time he put more then need it.
 

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just did a drain and fill yesterday on my 2010 beca limited.....took 4 quarts to fill.....used Idemitsu ATF HP....dealer wanted $10.00 a quart for Subaru ATF and I got Idemitsu from CarQuest for $6.35 per quart........will say that I was surprised how dirty the fluid was at 30K miles.....it was brown, not red.....will run this another week and do another drain and fill and see what the fluid looks like then before I do a third time.......will do this again at 60K and change the filter then.......very easy to do......
 

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CarQuest ordered the product for me.....it is not CarQuest product.....I got the Idemitsu ATF Type-HP......as you know, Idemitsu is the supplier for Subaru's private label fluids and oil.....
 

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Contrary to what your owners manual says, they have retracted the use of any tranny fluid other than Idemitsu-HP or Subaru factory transmission fluid. I am going to attempt to pull the driver side headlamp assembly out and change the filter now. Dont really want to take the bumper off but i'm having serious issues with tranny.
 

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steelers8625 said:
Contrary to what your owners manual says, they have retracted the use of any tranny fluid other than Idemitsu-HP or Subaru factory transmission fluid. I am going to attempt to pull the driver side headlamp assembly out and change the filter now. Dont really want to take the bumper off but i'm having serious issues with tranny.
let us know if the headlight capsule gives you access or do we have to pull the bumper to change the filter?/
thank you
 

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Ok, the headlight capsule will not come off without taking the bumper off, however there is an easy solution to getting to the filter. Simply take out the battery and it will give you access to the 2 bolts holding the bracket for the tranny filter on. take these 2 bolts out, and then follow the line down and unclip them and pull the bracket, filter, and lines out. Once i figured this out it's about a 10 minute job at best. You will need a vise and pipe wrench if this is the first time the filter has been changed, they must torque the heck out of it when they initially install it.
 
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