1997 SUBARU LEGACY torque

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

B2M0157
3) Assemble throttle body to intake manifold.
CAUTION:
Replace gasket with a new one.
Tightening torque:
22±2 N⋅m (2.2±0.2 kg-m, 15.9±1.4 ft-lb)
H2M1247
4) Install idle air control solenoid valve to intake manifold.
CAUTION:
Replace gasket with a new one.
Tightening torque:
6.4±0.5 N⋅m (0.65±0.05 kg-m, 4.7±0.4 ft-lb)
B2M0347A
5) Install engine harness onto intake manifold.
6) Connect connectors to throttle position sensor, ignition
coil, fuel injectors, idle air control solenoid valve, purge
control solenoid valve and EGR solenoid valve.


1EGR solenoid valve


2Throttle position sensor


3Idle air control solenoid valve


4Purge control solenoid valve


5Harness band
B2M0757A
7) Connect engine ground terminal to intake manifold.
B2M0159
D: INSTALLATION
1) Install intake manifold onto cylinder heads.
CAUTION:
Always use new gaskets.
Tightening torque:
25±2 N⋅m (2.5±0.2 kg-m, 18.1±1.4 ft-lb)
17
2-7SERVICE PROCEDURE
4. Intake Manifold

B2M0345A
7) Connect connectors to engine coolant temperature sen-
sor

1and thermometer
2.
B2M0019
8) Install engine harness connectors to bracket, and con-
nect engine harness connectors to bulkhead connectors.
G2M0370
9) Connect canister hoses. (2500 cc, 2200 cc FWD and
Taiwan spec. vehicles)
B2M1242
10) Install EGR pipe.
Tightening torque:
34±2 N⋅m (3.5±0.2 kg-m, 25.3±1.4 ft-lb)
B2M0342
11) Connect brake booster hose.
19
2-7SERVICE PROCEDURE
4. Intake Manifold

H2M1259A
12) Connect engine coolant hose
1to idle air control sole-
noid valve.
13) Connect air by-pass hose

2to idle air control solenoid
valve.
B2M1241
14) Connect engine coolant hose to throttle body.
B2M1239
15) Connect PCV hose to intake manifold.
B6M0772
16) Connect spark plug cords to ignition coil.
B2M0334
17) Install power steering pump on bracket.
(1) Install power steering pump on bracket, and tighten
bolts.
Tightening torque:
20.1±2.5 N⋅m (2.05±0.25 kg-m, 14.8±1.8 ft-lb)
20
2-7SERVICE PROCEDURE
4. Intake Manifold

B2M1218
21) Install air intake chamber and connect air hoses.
Tightening torque:
4.9±0.5 N⋅m (0.5±0.05 kg-m, 3.6±0.4 ft-lb)
B2M1213
22) Install air cleaner element.
23) Install air cleaner upper cover and air intake duct as a
unit.
CAUTION:
Before installing air cleaner upper cover, align holes
with protruding portions of air cleaner lower case, then
secure upper cover to lower case.
B2M1225A
24) Connect connector to mass air flow sensor.
B2M0154
5. Engine Coolant Temperature Sensor
A: REMOVAL AND INSTALLATION
1) Remove air intake duct.
G2M0407
2) Disconnect connector from engine coolant temperature
sensor.
3) Remove engine coolant temperature sensor.
22
2-7SERVICE PROCEDURE
4. Intake Manifold - 5. Engine Coolant Temperature Sensor

B2M1218
21) Install air intake chamber and connect air hoses.
Tightening torque:
4.9±0.5 N⋅m (0.5±0.05 kg-m, 3.6±0.4 ft-lb)
B2M1213
22) Install air cleaner element.
23) Install air cleaner upper cover and air intake duct as a
unit.
CAUTION:
Before installing air cleaner upper cover, align holes
with protruding portions of air cleaner lower case, then
secure upper cover to lower case.
B2M1225A
24) Connect connector to mass air flow sensor.
B2M0154
5. Engine Coolant Temperature Sensor
A: REMOVAL AND INSTALLATION
1) Remove air intake duct.
G2M0407
2) Disconnect connector from engine coolant temperature
sensor.
3) Remove engine coolant temperature sensor.
22
2-7SERVICE PROCEDURE
4. Intake Manifold - 5. Engine Coolant Temperature Sensor

G2M0407
4) Installation is in the reverse order of removal.
Tightening torque:
25±3 N⋅m (2.5±0.3 kg-m, 18.1±2.2 ft-lb)
G2M0408
6. Crankshaft Position Sensor
A: REMOVAL AND INSTALLATION
1) Remove bolt which install crankshaft position sensor to
cylinder block.
G2M0409
2) Remove crankshaft position sensor, and disconnect
connector from it.
G2M0408
3) Installation is in the reverse order of removal.
Tightening torque:
6.4±0.5 N⋅m (0.65±0.05 kg-m, 4.7±0.4 ft-lb)
B2M0154
7. Front Oxygen Sensor
A: REMOVAL
1) Remove air intake duct.
23
2-7SERVICE PROCEDURE
5. Engine Coolant Temperature Sensor - 7. Front Oxygen Sensor