1999 SUBARU LEGACY sensor

19) Install air cleaner case and air intake duct as
a unit.
B2M2773
20) Tighten bolt which installs air intake duct (A)
on the front side of body.
Tightening torque:
7.4
±2.0 N´m (0.75±0.2 kg-m, 5.4±1.4 ft-lb)
B2M2283A
21) Tighten bolt which installs air intake duct (B)
on body.
Tightening torque:
7.4
±2.0 N´m (0.75±0.2 kg-m, 5.4±1.4 ft-lb)
B2M2284A
22) Tighten bolts which install air cleaner case to
stays.
Tightening torque:
4.9
±0.5 N´m (0.5±0.05 kg-m, 3.6±0.4 ft-lb)
B2M2349
23) Connect connector to intake air temperature
sensor.
B2M2285
24) Connect connector to fuel pump.
B2M0047
25) Install fuel filler cap.
B2M1746
51
[W4D1]2-7SERVICE PROCEDURE
4. Intake Manifold

26) Connect battery ground cable.
B2M1723
2. 2200 cc EXCEPT 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
6) Connect knock sensor connector.
B2M2327A
52
2-7[W4D2]SERVICE 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

18) Install air cleaner upper cover, air intake duct
and air intake chamber as a unit.
B2M2347
CAUTION:
Before installing air cleaner upper cover, align
holes with protruding portions of air cleaner
lower case, then secure upper cover to lower
case.
S2M0180
19) Tighten bolts which install air intake chamber
to stays.
Tightening torque:
4.9
±0.5 N´m (0.5±0.05 kg-m, 3.6±0.4 ft-lb)
B2M2770
20) Connect connector to mass air flow sensor.
B2M2018
21) Connect connector to fuel pump.
B2M0047
22) Install fuel filler cap.
B2M1746
23) Connect battery ground cable.
B2M1723
55
[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

CAUTION:
Before installing air cleaner upper cover, align
holes with protruding portions of air cleaner
lower case, then secure upper cover to lower
case.
S2M0180
20) Tighten bolts which install air intake chamber
to stays.
Tightening torque:
4.9
±0.5 N´m (0.5±0.05 kg-m, 3.6±0.4 ft-lb)
S2M0092
21) Connect connector to mass air flow sensor.
B2M1225A
22) Connect connector to fuel pump.
B2M0047
23) Install fuel filler cap.
B2M1746
24) Connect battery ground cable.
B2M1723
59
[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