1997 SUBARU LEGACY service

B2M1249
10) Remove bolts which install throttle body to intake
manifold.
11) Installation is in the reverse order of removal.
CAUTION:
Always use a new gasket.
Before installing air cleaner upper cover, align holes
with protruding portions of air cleaner lower case, then
secure upper cover to lower case.
Tightening torque:
Throttle body:
22±2 N⋅m (2.2±0.2 kg-m, 15.9±1.4 ft-lb)
Air intake chamber:
4.9±0.5 N⋅m (0.5±0.05 kg-m, 3.6±0.4 ft-lb)
B2M1225A
4. Intake Manifold
A: REMOVAL
1) Release fuel pressure.
2) Disconnect connector from mass air flow sensor.
B2M1226A
3) Loosen clamp which connects air intake duct to air
intake chamber.
4) Remove two clips of air cleaner upper cover.
5) Disconnect blow-by hose from air intake duct.
B2M1227
6) Remove air intake duct and air cleaner upper cover as
a unit.
7) Remove air cleaner element.
10
2-7SERVICE PROCEDURE
3. Throttle Body - 4. Intake Manifold

B2M1249
10) Remove bolts which install throttle body to intake
manifold.
11) Installation is in the reverse order of removal.
CAUTION:
Always use a new gasket.
Before installing air cleaner upper cover, align holes
with protruding portions of air cleaner lower case, then
secure upper cover to lower case.
Tightening torque:
Throttle body:
22±2 N⋅m (2.2±0.2 kg-m, 15.9±1.4 ft-lb)
Air intake chamber:
4.9±0.5 N⋅m (0.5±0.05 kg-m, 3.6±0.4 ft-lb)
B2M1225A
4. Intake Manifold
A: REMOVAL
1) Release fuel pressure.
2) Disconnect connector from mass air flow sensor.
B2M1226A
3) Loosen clamp which connects air intake duct to air
intake chamber.
4) Remove two clips of air cleaner upper cover.
5) Disconnect blow-by hose from air intake duct.
B2M1227
6) Remove air intake duct and air cleaner upper cover as
a unit.
7) Remove air cleaner element.
10
2-7SERVICE PROCEDURE
3. Throttle Body - 4. Intake Manifold

B2M1218
8) Loosen clamp which connects air intake chamber to
throttle body.
9) Disconnect air hoses, and remove air intake chamber.
G2M0280
10) Disconnect accelerator cable
1.
11) Disconnect cruise control cable

2. (With cruise control
model)
B2M1231A
12) Disconnect vacuum hoses from pressure sources
switching solenoid valve.
B2M0017
13) Remove power steering pump from bracket.
(1) Remove V-belt cover.
G2M0286
(2) Loosen lock bolt and slider bolt, and remove power
steering pump drive V-belt.
11
2-7SERVICE PROCEDURE
4. Intake Manifold

B2M0340
(3) Remove bolts which secure power steering pipe
brackets to intake manifold.
NOTE:
Do not disconnect power steering hose.
B2M0334
(4) Remove bolts which install power steering pump to
bracket.
B2M0029
(5) Place power steering pump on the right side wheel
apron.
B6M0772
14) Disconnect spark plug cords from ignition coil.
B2M1239
15) Disconnect PCV hose from intake manifold.
12
2-7SERVICE PROCEDURE
4. Intake Manifold

B2M1241
16) Disconnect engine coolant hose from throttle body.
H2M1259A
17) Disconnect engine coolant hose
1from idle air con-
trol solenoid valve.
18) Disconnect air by-pass hose

2from idle air control
solenoid valve.
B2M0342
19) Disconnect brake booster hose.
B2M1242
20) Remove EGR pipe.
G2M0370
21) Disconnect canister hoses from pipes. (2500 cc, 2200
cc FWD and Taiwan spec. vehicles)
13
2-7SERVICE PROCEDURE
4. Intake Manifold

B2M0019
22) Disconnect engine harness connectors from bulkhead
harness connectors, and remove engine harness connec-
tors from bracket.
B2M0345A
23) Disconnect connectors from engine coolant tempera-
ture sensor

1and thermometer
2.
B2M1243A
24) Disconnect knock sensor connector.
B2M1251A
25) Disconnect connector from camshaft position sensor.
B2M1252A
26) Disconnect connector from crankshaft position sensor.
14
2-7SERVICE PROCEDURE
4. Intake Manifold

B2M1253A
27) Disconnect connector from oil pressure switch.
G2M0296
28) Disconnect fuel hoses from fuel pipes.
WARNING:
Catch fuel from hoses in a container.
B2M0159
29) Remove bolts which hold intake manifold onto cylinder
heads.
B2M0160
30) Remove intake manifold.
B2M0757A
B: DISASSEMBLY
1) Disconnect engine ground terminal from intake mani-
fold.
15
2-7SERVICE PROCEDURE
4. Intake Manifold

B2M0347A
2) Disconnect connectors from throttle position sensor,
ignition coil, fuel injectors, idle air control solenoid valve,
purge control solenoid valve and EGR solenoid valve.
3) Remove engine harness from intake manifold.


1EGR solenoid valve


2Throttle position sensor


3Idle air control solenoid valve


4Purge control solenoid valve


5Harness band
H2M1247
4) Remove idle air control solenoid valve from intake
manifold.
B2M0157
5) Remove throttle body from intake manifold.
B2M0161B
6) Remove fuel pipes, etc. from intake manifold.


1Pressure regulator


2Fuel pipe ASSY
7) Remove EGR solenoid valve and purge control sole-
noid valve.
B2M0161B
C: ASSEMBLY
1) Install EGR solenoid valve and purge control solenoid
valve.
2) Assemble fuel pipes, etc. to intake manifold.


1Pressure regulator


2Fuel pipe ASSY
16
2-7SERVICE PROCEDURE
4. Intake Manifold