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HOMESERVICE MANUALSSUBARU2014OUTBACK 2.5I, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 8 (AUTOMATIC TRANSAXLE)AT MAIN CASEADJUSTMENT

2014 Subaru Outback 2.5i, Standard Trans

AT Main Case: Adjustment

2014 Subaru Outback 2.5i, Standard TransSECTION Adjustment

WARNING: This page is about a different variant/trim than selected.

Using the ST, measure the height "A" from the AT main case mating surface to the convex surface of oil pump cover.
ST 499575400 GAUGE

Fig 1: Measuring Height From AT Main Case Mating Surface To Convex Surface Of Oil Pump Cover
Courtesy of SUBARU OF AMERICA, INC.
Using the ST, measure the depth "B" from the convex surface of oil pump cover to thrust bearing transferring surface.
ST 499575400 GAUGE

Fig 2: Measuring Depth From Convex Surface Of Oil Pump Cover To Thrust Bearing Transferring Surface
Courtesy of SUBARU OF AMERICA, INC.
Calculate the measured value from step 1) and 2), and then set the calculated value as "C".
Calculation formula: C = A - B
Using the ST, measure the depth "D" from the AT main case mating surface to the thrust bearing transferring surface of front sun gear.
ST 499575400 GAUGE

Fig 3: Measuring Depth From AT Main Case Mating Surface To Thrust Bearing Transferring Surface Of Front Sun Gear
Courtesy of SUBARU OF AMERICA, INC.
Set the value as "E" which subtract the thickness of ST (499575400 GAUGE) from the measured value on step 4).
Calculation: E (mm) = D - 15

[E (in) = D - 0.59]
Calculation formula:
When clearances are 0.25 mm (0.0098 in):

T (mm) = E - C + 0.03

[T (in) = E - C + 0.0012]

When clearances are 0.55 mm (0.0217 in):

T (mm) = E - C - 0.27

[T (in) = E - C - 0.0106]

T: Thrust bearing thickness

C: Distance from oil pump cover mating surface to rear end of oil pump cover

E: Depth from mating surface of AT main case to bearing surface of front sun gear

Specification:

0.25 - 0.55 mm (0.0098 - 0.0217 in)

NOTE: Calculation formula for "T" above is applied when measuring with the ST (499575400 GAUGE). In the calculation without using ST, substitute the thickness of collar used to calculate the value "E" on step 5).

Select the thrust bearing so that the clearance is within the specified range.

Thrust bearing
Part No.	Thickness mm (in)
806548020	3.2 (0.126)
806548030	3.4 (0.134)
806548040	3.6 (0.142)
806548050	3.8 (0.150)
806548060	4.0 (0.157)
806548070	4.2 (0.165)

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.