Subaru Legacy IV (2008 year). Service manual — part 667
4AT-16
General Description
AUTOMATIC TRANSMISSION
C: CAUTION
• Wear appropriate work clothing, including a cap,
protective goggles and protective shoes when per-
forming any work.
• Remove contamination including dirt and corro-
sion before removal, installation or disassembly.
• Keep the disassembled parts in order and pro-
tect them from dust and dirt.
• Do not place the oil pan with its inner side facing
up until it is installed, to prevent intrusion of foreign
matter into the valve body.
• Before removal, installation or disassembly, be
sure to clarify the failure. Avoid unnecessary re-
moval, installation, disassembly and replacement.
• When disassembling the case and other light al-
loy parts, use a plastic hammer to force it apart. Do
not pry apart with screwdrivers or other tools.
• Vehicle components are extremely hot after driv-
ing. Be wary of receiving burns from heated parts.
• Use SUBARU genuine gear oil, SUBARU genu-
ine ATF, and specified grease or equivalent. Do not
mix gear oil, grease, etc. of different grades or
manufacturers.
• Be sure to tighten bolts and nuts to the specified
torque.
• Place lifts, shop jacks or rigid racks at specified
locations.
• Apply gear oil or ATF onto sliding or revolution
surfaces before installation in view of components
usage.
• Replace deformed or damaged snap rings with
new parts.
• Before installing O-rings or oil seals, apply suffi-
cient amount of ATF fluid to avoid damage and de-
formation.
• Be careful not to incorrectly install or fail to install
O-rings, snap rings and other such parts.
• Before securing a part on a vise, place cushion-
ing material such as wood blocks, aluminum plate,
or cloth between the part and the vise.
• Avoid damaging the mating surface of the case.
• Before applying liquid gasket, completely re-
move the old liquid gasket.
• When disassembling the AT, be sure to use ny-
lon gloves and paper towels. Do not use cloth
gloves or waste cloth.
4AT-17
General Description
AUTOMATIC TRANSMISSION
D: PREPARATION TOOL
1. SPECIAL TOOL
ILLUSTRATION
TOOL NUMBER
DESCRIPTION
REMARKS
498575400
OIL PRESSURE
GAUGE ASSY
Used for measuring oil pressure.
498897200
OIL PRESSURE
GAUGE ADAPTER
Used at the oil pump housing when measuring
reverse clutch pressure and line pressure.
498897700
OIL PRESSURE
ADAPTER SET
Used for measuring transfer clutch pressure.
498277200
STOPPER SET
Used for removing and installing automatic
transmission assembly to engine.
ST-498575400
ST-498897200
ST-498897700
ST-498277200
4AT-18
General Description
AUTOMATIC TRANSMISSION
398527700
PULLER ASSY
• Used for removing the extension case roller
bearing.
• Used for removing the extension oil seal.
• Used for removing the front differential side
retainer bearing outer race.
• Used for removing the front differential side
retainer oil seal.
498057300
INSTALLER
Used for installing the extension oil seal.
41099AC000
ENGINE SUPPORT
ASSY
Used for supporting the engine.
498077000
REMOVER
Used for removing the differential taper roller
bearing.
499247400
INSTALLER
• Used for installing the transfer outer snap ring.
• Used together with the GUIDE (499257300).
ILLUSTRATION
TOOL NUMBER
DESCRIPTION
REMARKS
ST-398527700
ST-498057300
ST41099AC000
ST-498077000
ST-499247400
4AT-19
General Description
AUTOMATIC TRANSMISSION
499257300
SNAP RING
OUTER GUIDE
• Used for installing the transfer outer snap ring.
• Used together with the INSTALLER
(499247400).
18630AA010
WRENCH COMPL
RETAINER
• Used for removing and installing the differen-
tial side retainer.
• WRENCH ASSEMBLY (499787000) can also
be used.
398437700
DRIFT
Used for installing the converter case oil seal.
398487700
INSTALLER
Used for installing the front differential taper
roller bearing.
398673600
COMPRESSOR
Used for removing and installing the clutch
spring.
ILLUSTRATION
TOOL NUMBER
DESCRIPTION
REMARKS
ST-499257300
ST18630AA010
ST-398437700
ST-398487700
ST-398673600
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