1999 SUBARU LEGACY Service Repair Manual

20) Remove EGR pipe.
S2M0078
21) Remove engine harness bracket from trans-
mission housing, and disconnect engine harness
connectors from bulkhead harness connectors.
S2M0082A
22) Disconnect connectors from engine coolant
temperature sensor (A) and thermometer (B).
B2M0345B
23) Disconnect knock sensor connector.
B2M1243A
24) Disconnect connector from camshaft position
sensor.
S2M0183
25) Disconnect connector from crankshaft position
sensor.
B2M1252A
26) Disconnect connector from oil pressure switch
B2M1253A
27) Disconnect fuel hoses from fuel pipes.
WARNING:
Catch fuel from hoses in a container.
S2M0090A
36
2-7[W4A3]SERVICE PROCEDURE
4. Intake Manifold

28) Remove bolts which hold intake manifold onto
cylinder heads.
S2M0091
29) Remove intake manifold.
B2M0160
B: DISASSEMBLY
1. 2200 cc CALIFORNIA SPEC. VEHICLES
1) Disconnect engine ground terminal from intake
manifold.
B2M2779
2) Disconnect connector from ignition coil and
ignitor assembly.3) Remove ignition coil and ignitor assembly.
B2M2345
4) Disconnect connectors from throttle position
sensor (A), idle air control solenoid valve (B) and
intake manifold pressure sensor (C).
5) Disconnect air by-pass hose (D) from idle air
control solenoid valve.
B2M2346A
6) Remove throttle body.
B2M2300
7) Disconnect connectors from fuel injectors, and
purge control solenoid valve.
37
[W4B1]2-7SERVICE PROCEDURE
4. Intake Manifold

8) Remove harness bands which hold engine har-
ness onto intake manifold.
9) Remove engine harness from intake manifold.
B2M2780A
(A) Fuel injector
(B) Purge control solenoid valve
(C) Harness band
10) Remove purge control solenoid valve.
B2M2782A
11) Remove bolts which install injector pipe on
intake manifold.
B2M2783
12) Remove fuel injectors.
CAUTION:
Replace o-rings and insulators with new ones.
B2M2784
13) Loosen clamp which holds front left side fuel
hose to injector pipe.
B2M2785
14) Remove bolts which hold fuel pipes on the left
side of intake manifold.
B2M2786
15) Remove two bolts which install fuel pipes on
intake manifold.
B2M2787
38
2-7[W4B1]SERVICE PROCEDURE
4. Intake Manifold

16) Remove fuel injector pipe.
B2M2781
17) Remove fuel pipes, etc. from intake manifold.
B2M2788A
(A) Pressure regulator
(B) Fuel pipe ASSY
2. 2200 cc EXCEPT CALIFORNIA SPEC.
VEHICLES
1) Remove engine ground terminal from intake
manifold.
B2M2779
2) Disconnect connector from ignition coil and
ignitor assembly.3) Remove ignition coil and ignitor assembly.
B2M2345
4) Disconnect connectors from throttle position
sensor (A) and idle air control solenoid valve (B).
B2M2357A
5) Remove throttle body.
B2M2305
6) Disconnect connectors from fuel injectors, and
purge control solenoid valve.
39
[W4B2]2-7SERVICE PROCEDURE
4. Intake Manifold

7) Remove harness bands which hold engine har-
ness onto intake manifold.
8) Remove engine harness from intake manifold.
B2M2348A
(A) Fuel injector
(B) Purge control solenoid valve
(C) Harness band
9) Remove purge control solenoid valve.
B2M2350A
10) Remove bolts which install injector pipe on
intake manifold.
B2M2783
11) Remove fuel injectors.
CAUTION:
Replace o-rings and insulators with new ones.
B2M2352
12) Loosen clamp which holds front left side fuel
hose to injector pipe.
B2M2353
13) Remove bolts which hold fuel pipes on the left
side of intake manifold.
B2M2786
14) Remove two bolts which install fuel pipes on
intake manifold.
B2M2355
40
2-7[W4B2]SERVICE PROCEDURE
4. Intake Manifold

15) Remove fuel injector pipe.
B2M2789
16) Remove fuel pipes, etc. from intake manifold.
B2M2356A
(A) Pressure regulator
(B) Fuel pipe ASSY
3. 2500 cc MODEL
1) Disconnect engine ground terminal from intake
manifold.
B2M1724
2) Disconnect EGR vacuum hose from EGR
valve.
3) Disconnect back pressure hose from pipe.
4) Disconnect BPT hoses from EGR solenoid
valve and intake manifold.
5) Remove BPT with BTP holder bracket.
6) Remove EGR valve.
B2M1727
7) Disconnect connectors from throttle position
sensor, ignition coil, fuel injectors, idle air control
solenoid valve, purge control solenoid valve and
EGR solenoid valve.
B2M0347C
(A) EGR solenoid valve
(B) Throttle position sensor
(C) Idle air control solenoid valve
(D) Purge control solenoid valve
(E) Harness band
8) Remove engine harness from intake manifold.
9) Remove idle air control solenoid valve from
intake manifold.
H2M1247
41
[W4B3]2-7SERVICE PROCEDURE
4. Intake Manifold

10) Remove throttle body from intake manifold.
B2M0157
11) Remove ignition coil.
B6M0867
12) Remove fuel pipes, etc. from intake manifold.
B2M0161D
(A) Pressure regulator
(B) Fuel pipe ASSY
13) Remove fuel injector pipes.
B2M1726
14) Remove EGR solenoid valve and purge con-
trol solenoid valve.
C: ASSEMBLY
1. 2200 cc CALIFORNIA SPEC. VEHICLES
1) Assemble fuel pipes, etc. to intake manifold.
B2M2788A
(A) Pressure regulator
(B) Fuel pipe ASSY
2) Install fuel injector pipe.
B2M2781
3) Tighten two bolts which install fuel pipes on
intake manifold.
B2M2787
42
2-7[W4C1]SERVICE PROCEDURE
4. Intake Manifold

4) Tighten two bolts which install fuel pipes on the
left side of intake manifold.
B2M2786
5) Connect left side fuel hose to injector pipe, and
tighten clamp screw.
B2M2785
6) Install fuel injectors.
CAUTION:
Always use new o-rings and insulators.
B2M2362A
(A) O-ring A
(B) Insulator A
(C) Fuel injector
(D) Insulator B
(E) O-ring B
7) Tighten bolts which install injector pipe on
intake manifold.
Tightening torque:
3.4
±0.5 N´m (0.35±0.05 kg-m, 2.5±0.4 ft-lb)
B2M2783
8) Install purge control solenoid valve.
B2M2782A
9) Install engine harness onto intake manifold.
10) Connect connectors to fuel injectors and
purge control solenoid valve.
11) Hold engine harness by harness bands.
B2M2780A
(A) Fuel injector
(B) Purge control solenoid valve
(C) Harness band
43
[W4C1]2-7SERVICE PROCEDURE
4. Intake Manifold