1999 SUBARU LEGACY engine

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Page 231 of 1456

SUBARU LEGACY 1999  Service Repair Manual B: 2500 cc MODEL
Cooling systemElectric fan + Forced engine coolant circula-
tion system
Total engine coolant capacity(US qt, Imp qt) Approx. 6.1 (6.4, 5.4)
Water pumpType Centrifugal impeller type
D

Page 233 of 1456

SUBARU LEGACY 1999  Service Repair Manual 2. Radiator and Radiator Fan
B2M2034A
(1) Radiator lower cushion
(2) Radiator
(3) O-ring
(4) Air vent plug
(5) Radiator upper cushion
(6) Radiator upper bracket
(7) Clamp
(8) Radiator inlet hose
(9) S

Page 234 of 1456

SUBARU LEGACY 1999  Service Repair Manual 3. Water Pipe
B2M1189A
(1) Engine coolant temperature sen-
sor
(2) Engine coolant temperature
gauge(3) Water pipe
(4) O-ring
(5) By-pass hoseTightening torque: N´m (kg-m, ft-lb)
T:
6.4±0.5 (0.65±0.

Page 235 of 1456

SUBARU LEGACY 1999  Service Repair Manual 1. On-car Service
A: DRAINING OF ENGINE
COOLANT
1) Lift-up the vehicle.
2) Fit vinyl tube to drain pipe.
B2M0133A
3) Loosen drain cock to drain engine coolant into
container.
NOTE:
Remove radiator cap

Page 236 of 1456

SUBARU LEGACY 1999  Service Repair Manual C: CHECKING OF COOLING
SYSTEM
1) Remove radiator cap, top off radiator, and
attach tester to radiator in place of cap.
B2M0136
2) Apply a pressure of 157 kPa (1.6 kg/cm2,23
psi) to radiator to check i

Page 237 of 1456

SUBARU LEGACY 1999  Service Repair Manual C: CHECKING OF COOLING
SYSTEM
1) Remove radiator cap, top off radiator, and
attach tester to radiator in place of cap.
B2M0136
2) Apply a pressure of 157 kPa (1.6 kg/cm2,23
psi) to radiator to check i

Page 240 of 1456

SUBARU LEGACY 1999  Service Repair Manual 4) Drain engine coolant completely.
<Ref. to 2-5 [W1A0].>
B2M0015A
5) Disconnect connectors from radiator main fan
(A) and sub fan (B) motors.
B2M2035A
6) Loosen bolts which hold lower side of radiato

Page 242 of 1456

SUBARU LEGACY 1999  Service Repair Manual 3) Using a dial gauge, measure impeller runout in
thrust direction while rotating the pulley.
ªThrustº runout limit:
0.5 mm (0.020 in)
G2M0211
4) Check clearance between impeller and pump
case.
Clea