1999 SUBARU LEGACY Service Repair Manual

5. Radiator Cap
A: INSPECTION
1) Attach radiator cap to tester.
G2M0223
2) Increase pressure until tester gauge pointer
stops. Radiator cap is functioning properly if it
holds the service limit pressure for five to six sec-
onds.
Standard pressure:
78 Ð 98 kPa (0.8 Ð 1.0 kg/cm2,11Ð14
psi)
Service limit pressure:
69 kPa (0.7 kg/cm
2, 10 psi)
CAUTION:
Be sure to remove foreign matter and rust from
the cap in advance; otherwise, results of pres-
sure test will be incorrect.
6. Radiator Main Fan and Fan
Motor
A: REMOVAL AND INSTALLATION
1) Disconnect battery ground cable.
B2M1723
2) Lift-up the vehicle.
3) Remove under cover.
B2M0014
4) Disconnect connector of main fan motor.
B2M2043
18
2-5[W5A0]SERVICE PROCEDURE
5. Radiator Cap

5. Radiator Cap
A: INSPECTION
1) Attach radiator cap to tester.
G2M0223
2) Increase pressure until tester gauge pointer
stops. Radiator cap is functioning properly if it
holds the service limit pressure for five to six sec-
onds.
Standard pressure:
78 Ð 98 kPa (0.8 Ð 1.0 kg/cm2,11Ð14
psi)
Service limit pressure:
69 kPa (0.7 kg/cm
2, 10 psi)
CAUTION:
Be sure to remove foreign matter and rust from
the cap in advance; otherwise, results of pres-
sure test will be incorrect.
6. Radiator Main Fan and Fan
Motor
A: REMOVAL AND INSTALLATION
1) Disconnect battery ground cable.
B2M1723
2) Lift-up the vehicle.
3) Remove under cover.
B2M0014
4) Disconnect connector of main fan motor.
B2M2043
18
2-5[W5A0]SERVICE PROCEDURE
5. Radiator Cap

5) Remove bolt which installs the under side of
radiator main fan shroud onto radiator.
B2M2044
6) Lower the vehicle.
7) Remove reservoir tank.
S2M0592
8) Remove bolts which install the left side of radia-
tor main fan shroud onto radiator.
B2M2045
9) Remove bolt holding shroud to radiator upper
side.
B2M2046
10) Remove radiator main fan motor assembly.
B2M2036
11) Installation is in the reverse order of removal.
Tightening torque:
7.4
±2.0 N´m (0.75±0.20 kg-m, 5.4±1.4 ft-lb)
B2M2046
B: DISASSEMBLY AND ASSEMBLY
1. 2200 cc MODEL
1) Remove clip which holds motor harness onto
shroud.
B2M2047
19
[W6B1]2-5SERVICE PROCEDURE
6. Radiator Main Fan and Fan Motor

2) Release harness from shroud.
B2M2048
3) Remove bolts which install fan motor onto
shroud.
B2M2049
4) Assembly is in the reverse order of disassem-
bly.
Tightening torque:
4.4
±0.5 N´m (0.45±0.05 kg-m, 3.3±0.4 ft-lb)
B2M2049
2. 2500 cc MODEL
1) Remove clip which holds motor harness onto
shroud.
S2M0038A
2) Cut band which holds motor harness on
shroud.
S2M0039
3) Remove bolts which install fan motor onto
shroud.
S2M0040
20
2-5[W6B2]SERVICE PROCEDURE
6. Radiator Main Fan and Fan Motor

4) Installation is in the reverse order of removal.
Tightening torque:
4.4
±0.5 N´m (0.45±0.05 kg-m, 3.3±0.4 ft-lb)
S2M0040
7. Radiator Sub Fan and Fan
Motor
A: REMOVAL AND INSTALLATION
1) Disconnect battery ground cable.
B2M1723
2) Lift-up the vehicle.
3) Remove under cover.
B2M0014
4) Disconnect connector of sub fan motor.
B2M2050
21
[W7A0]2-5SERVICE PROCEDURE
7. Radiator Sub Fan and Fan Motor

4) Installation is in the reverse order of removal.
Tightening torque:
4.4
±0.5 N´m (0.45±0.05 kg-m, 3.3±0.4 ft-lb)
S2M0040
7. Radiator Sub Fan and Fan
Motor
A: REMOVAL AND INSTALLATION
1) Disconnect battery ground cable.
B2M1723
2) Lift-up the vehicle.
3) Remove under cover.
B2M0014
4) Disconnect connector of sub fan motor.
B2M2050
21
[W7A0]2-5SERVICE PROCEDURE
7. Radiator Sub Fan and Fan Motor

5) Remove bolt which installs the under side of
radiator sub fan shroud onto radiator.
B2M2051
6) Lower the vehicle.
7) Remove V-belt covers.
B2M2307
8) Remove two bolts holding shroud to radiator
upper side.
B2M2052
9) Remove bolts which install the right side of
radiator sub fan shroud onto radiator.
B2M2053
10) Move radiator sub fan motor assembly to left
side, and remove it.
B2M2054
11) Installation is in the reverse order of removal.
Tightening torque:
7.4
±2.0 N´m (0.75±0.20 kg-m, 5.4±1.4 ft-lb)
B2M2052
B: DISASSEMBLY AND ASSEMBLY
1) Remove clip which holds motor harness onto
shroud.
B2M2047
22
2-5[W7B0]SERVICE PROCEDURE
7. Radiator Sub Fan and Fan Motor

2) Release motor harness from shroud.
B2M2048
3) Remove bolts which install fan motor onto
shroud.
B2M2055
4) Assembly is in the reverse order of disassem-
bly.
Tightening torque:
4.4
±0.5 N´m (0.45±0.05 kg-m, 3.3±0.4 ft-lb)
B2M2055
8. Water Pipe
A: REMOVAL
1) Release fuel pressure.

2) Disconnect ground cable from the battery.
G6M0095
3) Drain engine coolant completely.

B2M0015A
4) Remove intake manifold.

B2M0160
23
[W8A0]2-5SERVICE PROCEDURE
8. Water Pipe