1999 SUBARU LEGACY engine

11) Connect BPT hoses from EGR solenoid valve
and intake manifold.
12) Connect back pressure hose from pipe.
13) Connect EGR vacuum hose from EGR valve.
B2M1727
14) Connect engine ground terminal to intake
manifold.
Tightening torque:
19
±1.5 N´m (1.9±0.15 kg-m, 13.7±1.1 ft-lb)
B2M1724
D: INSTALLATION
1. 2200 cc CALIFORNIA SPEC. VEHICLES
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)
B2M2318
2) Connect fuel hoses.
S2M0500
3) Connect connector to oil pressure switch.
B2M1253A
4) Connect connector to crankshaft position sen-
sor.
B2M1252A
5) Connect connector to camshaft position sensor.
B2M2317B
48
2-7[W4D1]SERVICE PROCEDURE
4. Intake Manifold

6) Connect knock sensor connector.
B2M2327A
7) Connect connectors to engine coolant tempera-
ture sensor (A) and thermometer (B).
B2M0345B
8) Hold engine harness connector onto bracket.
9) Install air cleaner case stay RH and engine har-
ness bracket, and connect engine harness con-
nectors to bulkhead connectors.
B2M2315
10) Connect brake booster hose.
B2M2314
11) Connect engine coolant hose to throttle body.
B2M2299
12) Connect PCV hose (A) and pressure regulator
vacuum hose (B) to intake manifold.
B2M2313
13) Connect spark plug cords to ignition coil and
ignitor assembly.
B2M2312
14) Install fuel protector LH. (LHD model only)
B2M2754
49
[W4D1]2-7SERVICE PROCEDURE
4. Intake Manifold

7) Connect connectors to engine coolant tempera-
ture sensor (A) and thermometer (B).
B2M0345B
8) Install air intake chamber stay RH and engine
harness bracket, and connect engine harness con-
nectors to bulkhead connectors.
B2M2315
9) Connect brake booster hose.
B2M2314
10) Connect engine coolant hose to throttle body.
B2M2304
11) Connect PCV hose (A) and vacuum hose (B)
to intake manifold.
H2M2440A
12) Connect spark plug cords to ignition coil and
ignitor assembly.
B2M2312
13) Install fuel pipe protector LH. (LHD model)
B2M2754
14) Install fuel pipe protector RH. (RHD model)
B2M2755
15) Install power steering pump on bracket.
53
[W4D2]2-7SERVICE PROCEDURE
4. Intake Manifold

3. 2500 cc MODEL
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)
S2M0091
2) Connect fuel hoses.
S2M0090A
3) Connect connector to oil pressure switch.
B2M1253A
4) Connect connector to crankshaft position sen-
sor.
B2M1252A
5) Connect connector to camshaft position sensor.
S2M0183
6) Connect knock sensor connector.
B2M1243A
7) Connect connectors to engine coolant tempera-
ture sensor (A) and thermometer (B).
B2M0345B
56
2-7[W4D3]SERVICE PROCEDURE
4. Intake Manifold

8) Install engine harness bracket, and connect
engine harness connectors to bulkhead connec-
tors.
S2M0082A
9) Install EGR pipe.
Tightening torque:
34
±2 N´m (3.5±0.2 kg-m, 25.3±1.4 ft-lb)
S2M0078
10) Connect brake booster hose.
B2M2314
11) Connect engine coolant hose (A) to idle air
control solenoid valve.
12) Connect air by-pass hose (B) to idle air con-
trol solenoid valve.
H2M1259B
13) Connect engine coolant hose to throttle body.
B2M1248
14) Connect PCV hose (A) and vacuum hose (B)
to intake manifold.
H2M2440A
15) Connect spark plug cords to ignition coil.
B6M0772
16) Install power steering pump on bracket.
57
[W4D3]2-7SERVICE PROCEDURE
4. Intake Manifold

5. Engine Coolant Temperature
Sensor
A: REMOVAL AND INSTALLATION
1. 2200 cc CALIFORNIA SPEC. VEHICLES
1) Disconnect battery ground cable.
B2M1723
2) Remove bolt which installs air intake duct (A)
on the front side of body.
B2M2283A
3) Remove bolt which installs air intake duct (B)
on body.
B2M2284A
4) Remove air intake duct (A) and (B) as a unit.
B2M2012
5) Disconnect connector from engine coolant tem-
perature sensor.
G2M0407
6) Remove engine coolant temperature sensor.
7) 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)
S2M0513
60
2-7[W5A1]SERVICE PROCEDURE
5. Engine Coolant Temperature Sensor

2. EXCEPT 2200 cc CALIFORNIA SPEC.
VEHICLES
1) Disconnect battery ground cable.
B2M1723
2) Disconnect connector from mass air flow sen-
sor.
B2M2018
3) Loosen clamp which connects air intake duct to
air intake chamber.
B2M2019
4) Remove two clips of air cleaner upper cover.
B2M2289
5) Remove air intake duct and air cleaner upper
cover as a unit.
B2M2020
6) Disconnect connector from engine coolant tem-
perature sensor.
G2M0407
7) Remove bolts which install idle air control sole-
noid valve, and move it aside. (2500 cc model only)

NOTE:
At this time, do not disconnect engine coolant
hoses from idle air control solenoid valve.
B2M0166
61
[W5A2]2-7SERVICE PROCEDURE
5. Engine Coolant Temperature Sensor

8) Remove engine coolant temperature sensor.
9) 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)
S2M0095
6. Crankshaft Position Sensor
A: REMOVAL AND INSTALLATION
1) Remove bolt which install crankshaft position
sensor to cylinder block.
G2M0408
2) Remove crankshaft position sensor, and dis-
connect connector from it.
G2M0409
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)
G2M0408
62
2-7[W6A0]SERVICE PROCEDURE
6. Crankshaft Position Sensor