SUBARU LEGACY 1999 Service Repair Manual
LEGACY 1999
SUBARU
SUBARU
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SUBARU LEGACY 1999 Service Repair Manual
Trending: catalytic converter, replacement, keyless entry, refrigerant type, check oil, wiring diagram, height
Page 271 of 1456
B: 2200 cc EXCEPT CALIFORNIA SPEC. VEHICLES
B2M2281A
(1) Mass air flow sensor bracket
(2) Mass air flow sensor ASSY
(3) Air cleaner upper cover
(4) Air cleaner element
(5) Spacer
(6) Bush(7) Clip
(8) Air cleaner case
(9) Cushion rubber
(10) Air intake duct
(11) Resonator chamber ASSY
(12) ClipTightening torque: N´m (kg-m, ft-lb)
T1:
7.4±2.0 (0.75±0.2, 5.4±1.4)
T2:33±10 (3.4±1.0, 25±7)
12
2-7[C3B0]COMPONENT PARTS
3. Air Cleaner
Page 272 of 1456
C: 2500 cc MODEL
H2M1731C
(1) Mass air flow sensor bracket
(2) Mass air flow sensor ASSY
(3) Air cleaner upper cover
(4) Air cleaner element
(5) Spacer
(6) Bush(7) Clip
(8) Air cleaner case
(9) Cushion rubber
(10) Air intake duct
(11) Resonator chamber ASSY
(12) ClipTightening torque: N´m (kg-m, ft-lb)
T1:
7.4±2.0 (0.75±0.2, 5.4±1.4)
T2:33±10 (3.4±1.0, 25±7)
13
[C3C0]2-7COMPONENT PARTS
3. Air Cleaner
Page 273 of 1456
4. Crankshaft Position, Camshaft Position and Knock Sensors
A: 2200 cc MODEL
B2M2282A
(1) Crankangle position sensor
(2) Knock sensor
(3) Camshaft position sensor
(4) Camshaft position sensor sup-
portTightening torque: N´m (kg-m, ft-lb)
T1:
6.4±0.5 (0.65±0.05, 4.7±0.4)
T2:23.5±2.9 (2.4±0.3, 17.3±2.1)
14
2-7[C4A0]COMPONENT PARTS
4. Crankshaft Position, Camshaft Position and Knock Sensors
Page 274 of 1456
B: 2500 cc MODEL
B2M1678A
(1) Crankangle position sensor
(2) Knock sensor
(3) Camshaft position sensorTightening torque: N´m (kg-m, ft-lb)
T1:
6.4±0.5 (0.65±0.05, 4.7±0.4)
T2:23.5±2.9 (2.4±0.3, 17.3±2.1)
15
[C4B0]2-7COMPONENT PARTS
4. Crankshaft Position, Camshaft Position and Knock Sensors
Page 275 of 1456
1. Air Cleaner and Air Intake
Duct
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 intake air tempera-
ture sensor.
B2M2285
6) Loosen clamp which connects air cleaner case
to throttle body.
B2M2286
7) Disconnect hoses from air cleaner case.
8) Remove bolts which install air cleaner case to
stays.
9) Remove air cleaner assembly.
B2M2287
10) Installation is in the reverse order of removal.
16
2-7[W1A1]SERVICE PROCEDURE
1. Air Cleaner and Air Intake Duct
Page 276 of 1456
2. 2200 cc EXCEPT 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) Remove air cleaner element.
7) Remove air cleaner lower case.
S2M0179
8) Installation is in the reverse order of removal.
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
17
[W1A2]2-7SERVICE PROCEDURE
1. Air Cleaner and Air Intake Duct
Page 277 of 1456
3. 2500 cc MODEL
1) Disconnect battery ground cable.
B2M1723
2) Disconnect connector from mass air flow sen-
sor.
B2M1225A
3) Loosen clamp which connects air intake duct to
air intake chamber.
B2M1226A
4) Remove two clips of air cleaner upper cover.
5) Disconnect blow-by hose from air intake duct.
B2M2289
6) Remove air intake duct and air cleaner upper
cover as a unit.
S2M0178
7) Remove air cleaner element.
8) Remove air cleaner lower case.
S2M0179
9) Installation is in the reverse order of removal.
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
18
2-7[W1A3]SERVICE PROCEDURE
1. Air Cleaner and Air Intake Duct
Page 278 of 1456
2. Mass Air Flow Sensor
(Except 2200 cc California
Spec. Vehicles)
A: REMOVAL AND INSTALLATION
1. 2200 cc MODEL
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) Loosen clamp which connects air intake duct to
mass air flow sensor.
B2M2291
7) Remove mass air flow sensor from air cleaner
upper cover.
B2M2294
19
[W2A1]2-7SERVICE PROCEDURE
2. Mass Air Flow Sensor (Except 2200 cc California Spec. Vehicles)
Page 279 of 1456
8) Installation is in the reverse order of removal.
Tightening torque:
7.4
±2.0 N´m (0.75±0.2 kg-m, 5.4±1.4 ft-lb)
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
2. 2500 cc MODEL
1) Disconnect battery ground cable.
B2M1723
2) Loosen clamps which connect air intake duct to
air intake chamber and mass air flow sensor.
S2M0080
3) Disconnect blow-by hose from air intake duct.4) Remove air intake duct.
S2M0081
5) Disconnect connector from mass air flow sen-
sor.
S2M0187
6) Remove two clips, then remove air cleaner
upper cover.
S2M0181
7) Remove mass air flow sensor from air cleaner
upper cover.
G2M0393
20
2-7[W2A2]SERVICE PROCEDURE
2. Mass Air Flow Sensor (Except 2200 cc California Spec. Vehicles)
Page 280 of 1456
8) Installation is in the reverse order of removal.
Tightening torque:
7.4
±2.0 N´m (0.75±0.2 kg-m, 5.4±1.4 ft-lb)
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
3. Throttle Body
A: REMOVAL AND INSTALLATION
1. 2200 cc CALIFORNIA SPEC. VEHICLES
1) Disconnect battery ground cable.
B2M1723
2) Remove air cleaner assembly.
[W1A0].>
B2M2320
3) Disconnect accelerator cable (A).
4) Disconnect cruise control cable (B). (With
cruise control model)
B2M2295A
21
[W3A1]2-7SERVICE PROCEDURE
3. Throttle Body
Trending: flat tire, ground clearance, air bleeding, fuel tank capacity, wheel bolts, Tie rod, fuel reserve