1999 SUBARU LEGACY engine

4) Install air cleaner assembly. (California spec.
vehicles only)
B2M2320
5) Connect battery ground cable to battery ground
terminal.
B2M1723
2. 2500 cc MODEL
1) Install knock sensor to cylinder block.
NOTE:
The knock sensor cord which is extracted from the
sensor must be positioned at a 45É angle against
the rear side of the engine.
Tightening torque:
23.5
±2.9 N´m (2.4±0.3 kg-m, 17.3±2.1 ft-lb)
B2M1682A
2) Connect knock sensor connector.
B2M1686
NOTE:
The knock sensor connector must be connected
behind the engine coolant hose within the engine
components.
B2M1688A
B2M1689A
92
2-7[W19B2]SERVICE PROCEDURE
19. Knock Sensor

1. On-car Services
A: PRECAUTIONS
WARNING:
IPlace ªNo fireº signs near the working area.
IDisconnect ground terminal from battery.
IBe careful not to spill fuel on the floor.
B: RELEASING OF FUEL
PRESSURE
1) Take off floor mat.
2) Remove access hole lid.
G2M0340
3) Disconnect connector from fuel pump.
B2M0047
4) Start the engine, and run it until it stalls.
5) After the engine stalls, crank it for five more
seconds.
6) Turn ignition switch OFF.
C: DRAINING OF FUEL
1) Remove rear seat and seat back.2) Remove access hole lid.
G2M0340
3) Disconnect connector from fuel pump.
B2M0047
4) Release fuel pressure.
5) Disconnect fuel delivery hose (A), return hose
(B) and jet pump hose (C).
B2M0048B
6) Remove nuts which install fuel pump assembly
onto fuel tank.
G2M0343
7
[W1C0]2-8SERVICE PROCEDURE
1. On-car Services

4) Start the engine.
5) Measure fuel pressure while disconnecting
pressure regulator vacuum hose from collector
chamber.
Fuel pressure:
284 Ð 314 kPa (2.9 Ð 3.2 kg/cm2,41Ð
46 psi)
G2M0348
6) After connecting pressure regulator vacuum
hose, measure fuel pressure.
Fuel pressure:
177 Ð 206 kPa (1.8 Ð 2.1 kg/cm2,26Ð
30 psi)
G2M0348
2. Fuel Tank
A: REMOVAL
1) Release fuel pressure.
2) Open fuel flap lid, and remove fuel filler cap.
B2M1746
3) Disconnect battery ground cable.
B2M1723
4) Drain fuel from fuel tank.
G2M0345
5) Remove rear seat cushion. (Sedan model)

B2M1736
9
[W2A0]2-8SERVICE PROCEDURE
2. Fuel Tank

4) Start the engine.
5) Measure fuel pressure while disconnecting
pressure regulator vacuum hose from collector
chamber.
Fuel pressure:
284 Ð 314 kPa (2.9 Ð 3.2 kg/cm2,41Ð
46 psi)
G2M0348
6) After connecting pressure regulator vacuum
hose, measure fuel pressure.
Fuel pressure:
177 Ð 206 kPa (1.8 Ð 2.1 kg/cm2,26Ð
30 psi)
G2M0348
2. Fuel Tank
A: REMOVAL
1) Release fuel pressure.
2) Open fuel flap lid, and remove fuel filler cap.
B2M1746
3) Disconnect battery ground cable.
B2M1723
4) Drain fuel from fuel tank.
G2M0345
5) Remove rear seat cushion. (Sedan model)

B2M1736
9
[W2A0]2-8SERVICE PROCEDURE
2. Fuel Tank

B: INSTALLATION
Installation is in the reverse order of removal. Do
the following:
(1) Always use new gaskets.
(2) Ensure sealing portion is free from fuel or for-
eign particles before installation.
(3) Tighten nuts in numerical sequence shown in
Figure to specified torque.
Tightening torque:
4.4
±1.5 N´m (0.45±0.15 kg-m, 3.3±1.1 ft-lb)
G2M0346
7. Fuel Delivery, Return and
Evaporation Lines
A: REMOVAL
1) Release fuel pressure.
2) Remove fuel filler cap.
3) Remove inner trim, insulator and rear seat.
4) Remove fuel delivery pipes and hoses, fuel
return pipes and hoses, and evaporation pipes and
hoses.
B2M1763C
5) In engine compartment, detach fuel delivery
hose, return hose and evaporation hose.
S2M0090A
23
[W7A0]2-8SERVICE PROCEDURE
7. Fuel Delivery, Return and Evaporation Lines

B: INSTALLATION
Installation is in the reverse order of removal. Do
the following:
(1) Always use new gaskets.
(2) Ensure sealing portion is free from fuel or for-
eign particles before installation.
(3) Tighten nuts in numerical sequence shown in
Figure to specified torque.
Tightening torque:
4.4
±1.5 N´m (0.45±0.15 kg-m, 3.3±1.1 ft-lb)
G2M0346
7. Fuel Delivery, Return and
Evaporation Lines
A: REMOVAL
1) Release fuel pressure.
2) Remove fuel filler cap.
3) Remove inner trim, insulator and rear seat.
4) Remove fuel delivery pipes and hoses, fuel
return pipes and hoses, and evaporation pipes and
hoses.
B2M1763C
5) In engine compartment, detach fuel delivery
hose, return hose and evaporation hose.
S2M0090A
23
[W7A0]2-8SERVICE PROCEDURE
7. Fuel Delivery, Return and Evaporation Lines

1. MECHANICAL APPLICATION TYPE
1) While pushing release lever to pivot and twist-
ing it to both sides, fit retainer spring onto the con-
stricted portion of pivot.
NOTE:
Confirm that retainer spring is securely fitted by
observing it through the main case hole.
2) Install release bearing and fasten it with two
clips.
3) Install release lever seal.
B2M0633E
(A) Release lever return spring
(B) Clip
(C) Release lever
(D) Release lever seal
(E) Retainer spring
(F) Release lever bearing
4) After remounting engine and transmission on
body, make adjustment of the clutch release lever
end play.
CAUTION:
Take care not to twist the cable during adjust-
ment.
G2M0235
5) Install release lever return spring (Models with-
out hill holder only).
NOTE:
Hook up the return spring to right side hole of the
release lever.
10
2-10[W3C1]SERVICE PROCEDURE
3. Release Bearing and Lever

2. HYDRAULIC APPLICATION TYPE
1) While pushing release lever to pivot and twist-
ing it to both sides, fit retainer spring onto the con-
stricted portion of pivot.
NOTE:
IApply grease (SUNLIGHT 2: P/N 003602010) to
contact point of release lever and operating cylin-
der.
IConfirm that retainer spring is securely fitted by
observing it through the main case hole.
2) Install release bearing and fasten it with two
clips.
3) Install release lever seal.
4) Install operating cylinder.
Tightening torque:
T: 3 7
±3 N´m (3.8±0.3 kg-m, 27.5±2.2 ft-lb)
B2M1257F
(A) Release lever
(B) Retainer spring
(C) Release bearing
(D) Clip
(E) Release lever seal
(F) Operating cylinder
5) After remounting engine and transmission on
body.

6) Bleed air from oil line with the help of a co-
worker.

4. Clutch Disc and Cover
A: REMOVAL
1) Install ST on flywheel.
ST 498497100C RANKSHAFT STOPPER
G2M0242
2) Remove clutch cover and clutch disc.
CAUTION:
ITake care not to allow oil on the clutch disc
facing.
IDo not disassemble either clutch cover or
clutch disc.
3) Remove flywheel.
G2M0243
11
[W4A0]2-10SERVICE PROCEDURE
4. Clutch Disc and Cover