1999 SUBARU LEGACY sensor

8) Connect battery ground cable.
B2M1723
2. Center Exhaust Pipe
A: REMOVAL
1) Disconnect battery ground cable.
B2M1723
2) Lift-up the vehicle.
3) Disconnect rear oxygen sensor connector.
(Except 2500 cc California spec. vehicles)
B2M0312
4) Separate center exhaust pipe and rear catalytic
converter assembly from rear exhaust pipe.
B2M0055
7
[W2A0]2-9SERVICE PROCEDURE
2. Center Exhaust Pipe

6) Connect rear oxygen sensor connector. (Except
2500 cc California spec. vehicles)
B2M0312
7) Lower the vehicle.
8) Connect battery ground cable.
B2M1723
3. Rear Exhaust Pipe
A: REMOVAL
1) Separate rear exhaust pipe from center
exhaust pipe.
B2M0055
2) Separate rear exhaust pipe from muffler.
CAUTION:
Be careful not to pull down rear exhaust pipe.
S2M0157
3) Remove rear exhaust pipe bracket from rubber
cushion.
NOTE:
To facilitate removal, apply a coat of SUBARU
CRC or equivalent to pipe bracket in advance.
SUBARU CRC (Part No. 004301003)
S2M0158
9
[W3A0]2-9SERVICE PROCEDURE
3. Rear Exhaust Pipe

6) Connect rear oxygen sensor connector. (Except
2500 cc California spec. vehicles)
B2M0312
7) Lower the vehicle.
8) Connect battery ground cable.
B2M1723
3. Rear Exhaust Pipe
A: REMOVAL
1) Separate rear exhaust pipe from center
exhaust pipe.
B2M0055
2) Separate rear exhaust pipe from muffler.
CAUTION:
Be careful not to pull down rear exhaust pipe.
S2M0157
3) Remove rear exhaust pipe bracket from rubber
cushion.
NOTE:
To facilitate removal, apply a coat of SUBARU
CRC or equivalent to pipe bracket in advance.
SUBARU CRC (Part No. 004301003)
S2M0158
9
[W3A0]2-9SERVICE PROCEDURE
3. Rear Exhaust Pipe

(2) Disconnect radiator outlet hose from ther-
mostat cover.
H2M2515
(3) Remove reservoir tank.
S2M0028
(4) Disconnect ATF cooler hoses from pipes.
(AT vehicles)
B2M0016A
(5) Remove V-belt cover.
B2M2307
(6) Disconnect radiator inlet hose from radiator.
S2M0031
(7) Remove radiator upper bracket, and
remove radiator assembly from vehicle.
B2M2323
8) Collect refrigerant, and remove pressure hoses.
(With A/C)
(1) Place and connect the attachment hose to
the refrigerant recycle system.
(2) Collect refrigerant from A/C system.
(3) Disconnect A/C flexible hoses from A/C
compressor.
B2M2774
9) Remove air intake system.
(1) Disconnect connector from mass air flow
sensor.
(2) Remove air intake chamber, air intake duct
with air cleaner upper cover, and remove air
cleaner element. (Except 2200 cc California
spec. vehicles)
(3) Remove air cleaner case and duct. (2200 cc
California spec. vehicles)
and
8
2-11[W1B0]SERVICE PROCEDURE
1. Engine

(1) Disconnect the following connectors.
H2M2433A
(1) Front oxygen sensor connector
(2) Rear oxygen sensor connector
(California spec. vehicles)
(3) Engine harness connectors
(4) Engine ground terminal
(5) Alternator connector and termi-
nal
(6) A/C compressor connectors
(With A/C)
10
2-11[W1B0]SERVICE PROCEDURE
1. Engine

B2M2776AS2M0204A
12) Remove power steering pump from bracket.
(1) Loosen lock bolt and slider bolt, and remove
front side V-belt.
G2M0286
(2) Remove pipe with bracket from intake mani-
fold.
B2M2309
(3) Remove bolts which install power steering
pump from bracket.
S2M0086
(4) Place power steering pump on the right side
wheel apron.
S2M0087
13) Remove front exhaust pipe and center
exhaust pipe.
(1) Lift-up the vehicle.
(2) Disconnect connector from rear oxygen
sensor. (Except 2500cc California spec.
vehicles)
B2M0335
14
2-11[W1B0]SERVICE PROCEDURE
1. Engine

7) Install canister and bracket.
(1) Install power stering pump on bracket, and
tighten bolts.
Tightening torque:
39
±10 N´m (4.0±1.0 kg-m, 29±7 ft-lb)
S2M0086
(2) Install power steering pipe bracket on right
side intake manifold, and install spark plug
codes.
B2M2309
(3) Install front side V-belt, and adjust it.

G2M0286
8) Tighten nuts which hold lower side of transmis-
sion to engine.
Tightening torque:
50
±4 N´m (5.1±0.4 kg-m, 36.9±2.9 ft-lb)
B2M2790
9) Tighten nuts which install front cushion rubber
onto crossmember.
Tightening torque:
69
±15 N´m (7.0±1.5 kg-m, 51±11 ft-lb)
CAUTION:
Be sure to tighten front cushion rubber mount-
ing bolts in the innermost elliptical hole in the
front crossmember.
G2M0303
10) Install front exhaust pipe and center exhaust
pipe.
11) Connect the following hoses.
(1) Fuel delivery hose, return hose and evapo-
ration hose
(2) Heater inlet and outlet hoses
(3) Brake booster vacuum hose
12) Connect the following connectors.
(1) Engine ground terminal
(2) Engine harness connectors
(3) Front oxygen sensor connector
(4) Rear oxygen sensor connector (California
spec. vehicles)
(5) Alternator connector and terminal
(6) A/C compressor connectors (With A/C)
13) Connect the following cables.
(1) Accelerator cable
(2) Cruise control cables (With cruise control)
(3) Clutch cable (2200 cc MT vehicles)
18
2-11[W1C0]SERVICE PROCEDURE
1. Engine

(4) Clutch return spring (Models without hill
holder only)
CAUTION:
After connecting each cable, adjust them.
14) Install chamber stay.
15) Install air intake system.
(1) Install air cleaner element.
(2) Install air intake chamber and air intake duct
with air cleaner upper cover. (Except 2200 cc
California spec. vehicles)
(3) Connect connector to mass air flow sensor.
B2M2018
(4) Install air intake duct with air cleaner case.
(2200 cc California spec. vehicles) [W1A0].> and
16) Install A/C flexible hoses. (With A/C)

CAUTION:
Use new O-rings.
Tightening torque:
25
±7 N´m (2.5±0.7 kg-m, 18.1±5.1 ft-lb)
B2M2774
17) Install cooling system.(1) Attach radiator mounting cushions to body.
B2M0307A
(2) Install radiator while fitting radiator pins to
cushions.
B2M2323
(3) Install radiator brackets and tighten bolts.
Tightening torque:
13.7
±1.5 N´m (1.4±0.15 kg-m, 10.1±1.1
ft-lb)
B2M0320
(4) Connect radiator fan motor connector.
H2M2515
19
[W1C0]2-11SERVICE PROCEDURE
1. Engine