Page 1863 of 2453

LU(H6DO)-14
Engine Oil Filter
LUBRICATION
8. Engine Oil Filter
A: REMOVAL
1) Lift-up the vehicle.
2) Drain the engine oil.
PLACEMENT, Engine Oil.>
3) Remove the service hole cover clip.
4) Rotate the service hole cover in the direction of
the arrow.
5) Remove the oil filter using ST.
ST 4985447000 OIL FILTER WRENCH
B: INSTALLATION
CAUTION:
Do not tighten excessively, or oil may leak.
1) Clean the oil filter installing surface of oil cooler.
2) Obtain a new oil filter and apply a thin coat of en-
gine oil to the seal rubber.
3) Install the oil filter turning it by hand, being care-
ful not to damage the seal rubber.
4) Tighten more (approx. 3/4 turn) after the seal
rubber contacts the oil cooler. When using a torque
wrench, tighten to 14 N·m (1.4 kgf-m, 10.3 ft-lb).
5) Install the service hole cover.
6) Lower the vehicle.
7) Refill the engine oil.
SPECTION, Engine Oil.>
C: INSPECTION
1) After installing the oil filter, run the engine and
make sure that no oil is leaking around seal rubber.
NOTE:
The filter element and filter case are permanently
jointed; therefore, interior cleaning is not neces-
sary.
2) Check the engine oil level.
7, INSPECTION, Engine Oil.>
PM-00281
PM-00282
PM-00283
Page 1865 of 2453
LU(H6DO)-16
Oil Cooler
LUBRICATION
3) Connect the water hose.
4) Install the water pipe onto engine.
Tightening torque:
6.4 N·m (0.65 kgf-m, 4.7 ft-lb)
5) Refill the engine oil.
PLACEMENT, Engine Oil.>
6) Fill engine coolant.
FILLING OF ENGINE COOLANT, REPLACE-
MENT, Engine Coolant.>
7) Check the engine oil level.
7, INSPECTION, Engine Oil.>
C: INSPECTION
1) Check that coolant passages are not clogged
using an compressed air.
2) Check that the oil pan upper and O-ring installing
surface of oil filter are not damaged.
LU-00133
LU-00132
Page 1866 of 2453

LU(H6DO)-17
General Diagnostics Table
LUBRICATION
10.General Diagnostics Table
A: INSPECTION
Before performing diagnostics, make sure that the engine oil level is correct and no oil leakage exists.
Symptom Possible cause Corrective action
1. Warning light remains
on.
1) Oil pressure switch
failure
Cracked diaphragm or oil leakage within switch Replace.
Broken spring or seized contacts Replace.
2) Low oil pressure
Clogging of oil filter Replace.
Malfunction of oil by-pass valve in oil filter Clean or replace.
Malfunction of oil relief valve in oil pump Clean or replace.
Clogged oil passage Clean.
Excessive tip clearance and side clearance of oil
pump rotor and gearReplace.
Clogged oil strainer or broken pipe Clean or replace.
3) No oil pressure
Insufficient engine oil Replenish.
Broken pipe of oil strainer Replace.
Stuck oil pump rotor Replace.
2. Warning light does
not turn on.
1) Malfunction of combination meter Replace.
2) Poor contact of switch contact points Replace.
3) Disconnection of wiring Repair.
3. Warning light flickers
momentarily.
1) Poor contact of terminals Repair.
2) Defective wiring harness Repair.
3) Low oil pressure
Check for the same
possible causes as
listed 1) — 2).
Page 1901 of 2453

ME(H6DO)-35
Engine Assembly
MECHANICAL
29) Disconnect the fuel delivery hose and evapora-
tion hose.
(1) Disconnect the connector of fuel pipe by
pushing the ST in the direction of arrow.
ST 42099AE000 CONNECTOR REMOVER
(2) Remove the clamp, and disconnect the
evaporation hose from the pipe.
CAUTION:
•Collect fuel from the hose into container.
•Disconnect the hose with its end wrapped
with cloth to prevent fuel from splashing.
30) Support the engine with a lifting device and
wire ropes.
31) Support the transmission with a garage jack.
CAUTION:
Doing this is very important because the trans-
mission lowers for its own weight. This work is
also of great importance for facilitating reinstal-
lation.
CAUTION:
Before removing the engine away from trans-
mission, check to be sure no work has been
overlooked.
32) Separation of engine and transmission:
(1) Remove the starter.
REMOVAL, Starter.>
(2) Remove the bolts which hold upper side of
transmission to engine.
33) Install the ST to converter case.
ST 498277200 STOPPER SET
34) Remove the engine from vehicle.
(1) Slightly raise the engine.
(2) Raise the transmission with garage jack.
(3) Move the engine horizontally until main shaft
is withdrawn from clutch cover.
(4) Slowly move the engine away from engine
compartment.
NOTE:
Be careful not to damage adjacent parts or body
panels with crank pulley, oil level gauge, etc.
35) Remove the front cushion rubbers.
(A) Transmission
(B) Garage jack
(A)
(B)
ME-00490
ME-02661
ST
ME-00492
Page 1902 of 2453

ME(H6DO)-36
Engine Assembly
MECHANICAL
B: INSTALLATION
1) Install the front cushion rubbers.
Tightening torque:
35 N·m (3.6 kgf-m, 25.8 ft-lb)
2) Position the engine in engine compartment and
align it with transmission.
NOTE:
Be careful not to damage adjacent parts or body
panels with crank pulley, oil level gauge, etc.
3) Tighten the bolts which hold upper side of trans-
mission to engine.
Tightening torque:
50 N·m (5.1 kgf-m, 37 ft-lb)
4) Remove the lifting device and wire ropes.
5) Remove the garage jack.
6) Install the pitching stopper.
Tightening torque:
T1: 50 N·m (5.1 kgf-m, 37 ft-lb)
T2: 58 N·m (5.9 kgf-m, 42.8 ft-lb)
7) Remove the ST from converter case.
NOTE:
Be careful not to drop the ST into the converter
case when removing the ST.
ST 498277200 STOPPER SET
8) Install the starter.
STALLATION, Starter.>
9) Install the torque converter clutch to drive plate.
(1) Tighten the bolts which hold torque convert-
er clutch to drive plate.
(2) Tighten other bolts while rotating the engine
using socket wrench.
Tightening torque:
25 N·m (2.5 kgf-m, 18 ft-lb)
(3) Install the service hole plug to prevent for-
eign matter from being mixed.
10) Lift-up the vehicle.
11) Tighten the bolts and nuts which hold lower
side of the transmission to engine.
Tightening torque:
50 N·m (5.1 kgf-m, 37 ft-lb)
ME-02661
T2
T1
ME-02447
(A) Service hole plug
(A)
ME-02445
ME-02662
Page 1989 of 2453

PM-6
Engine Oil
PERIODIC MAINTENANCE SERVICES
3. Engine Oil
A: REPLACEMENT
1) Open the engine oil filter cap for quick draining of
the engine oil.
2) Drain the engine oil by removing the engine oil
drain plug.
3) Tighten the engine oil drain plug after draining
the engine oil.
NOTE:
Use a new drain plug gasket.
Tightening torque:
44 N·m (4.5 kgf-m, 33 ft-lb)
4) Fill engine oil through the level gauge up to the
center between the upper level and the lower level.
Place the vehicle on a level surface when checking
oil level. Use engine oil of the proper quality and
viscosity, selected in accordance with the following.
Recommended oil:
Refer to “RM” section.
CANTS, RECOMMENDED MATERIALS, Rec-
ommended Materials.>
Engine oil capacity
When replacing engine oil and oil filter
Upper level
Approx. 5.7 2 (6.0 US qt, 5.0 Imp qt)
Lower level:
Approx. 4.7 2 (5.0 US qt, 4.10 Imp qt)
When replacing engine oil only
Upper level:
Approx. 5.5 2 (5.8 US qt, 4.8 Imp qt)
Lower level:
Approx. 4.5 2 (4.8 US qt, 4.0 Imp qt)
The proper viscosity oil helps the engine maintain
its ideal temperature, and cranking speed in-
creased by reducing viscosity friction in hot condi-
tion.
CAUTION:
When replenishing oil, it does not matter if the
oil to be added is a different brand from that in
the engine; however, use oil having the API
standard and SAE viscosity No. designated by
SUBARU.
NOTE:
If the vehicle is used in areas with very high temper-
atures or for other heavy duty applications, the fol-
lowing viscosity oils must be used:API Standard:
SM SAE Viscosity No.: 30, 40, 10W-50, 20W-40,
20W-50
5) Close the engine oil filler cap.
6) Start the engine and warm it up for a time.
7) Stop the engine to inspect the oil level again.
(A) Oil level gauge
(B) Oil filler cap
(C) Upper level
(D) Lower level
PM-00279
(A)
(B)
(C)
(D)
PM-00280
PM-00280
Page 1990 of 2453
PM-7
Engine Oil
PERIODIC MAINTENANCE SERVICES
B: INSPECTION
1) Park the vehicle on a level surface.
2) Remove the oil level gauge and wipe it clean.
3) Reinsert the level gauge all the way. Be sure that
the level gauge is correctly inserted and in the
proper orientation.
4) Remove it again and check the oil reading.
If the engine oil level is below the “L” line, add oil to
bring the level up to the “F” line. To prevent overfill-
ing the engine oil, do not add oil above the “F” line
when the engine is cold.
5) Check whether it is notably dirty, or there is cool-
ant or gasoline mixed in. Replace if it is notably
dirty. If there is coolant or gasoline mixed in, check
the engine.
6) After pouring in engine oil, run the engine for
several minutes, then stop it. Wait for several min-
utes until the oil has returned to the oil pan.
(A) Oil level gauge
(B) Oil filler cap
(C) Upper level
(D) Lower level
PM-00279
(A)
(B)
(C)
(D)
Page 1991 of 2453
PM-8
Engine Oil Filter
PERIODIC MAINTENANCE SERVICES
4. Engine Oil Filter
A: REPLACEMENT
1) Remove the service hole cover clip.
2) Rotate the service hole cover in the direction of
the arrow.
3) Remove the oil filter using ST.
ST 49857000 OIL FILTER WRENCH (Outer
diameter: 80 mm (3.15 in))
4) Obtain a new oil filter and apply a thin coat of en-
gine oil to the seal rubber.
5) Install the oil filter by turning it by hand, while be-
ing careful not to damage seal rubber. Then, after
the seal rubber touches the oil cooler, tighten it a
further 3/4 turn.
CAUTION:
Do not tighten excessively, because this can
cause oil leaks.
6) After installing the oil filter, run the engine and
make sure that no oil is leaking around seal rubber.
NOTE:
The filter element and filter case are permanently
jointed; therefore, interior cleaning is not neces-
sary.
7) Check the engine oil level.
SPECTION, Engine Oil.>
PM-00281
PM-00282
PM-00283