1997 SUBARU LEGACY belt

1. Engine Cooling System
Trouble Possible cause Corrective action
Over-heatinga. Insufficient engine coolantReplenish engine coolant, inspect for leakage, and
repair.
b. Loose timing belt Repair or replace timing belt tensioner.
c. Oil on drive belt Replace.
d. Malfunction of thermostat Replace.
e. Malfunction of engine coolant pump Replace.
f. Clogged engine coolant passage Clean.
g. Improper ignition timingInspect and repair ignition control system.

h. Clogged or leaking radiator Clean or repair, or replace.
i. Improper engine oil in engine coolant Replace engine coolant.
j. Air/fuel mixture ratio too leanInspect and repair fuel injection system.

k. Excessive back pressure in exhaust system Clean or replace.
l. Insufficient clearance between piston and cylinder Adjust or replace.
m. Slipping clutch Repair or replace.
n. Dragging brake Adjust.
o. Improper transmission oil Replace.
p. Defective thermostat Replace.
q. Malfunction of electric fanInspect radiator fan relay, engine coolant temperature
sensor or radiator motor and replace there.
Over-coolinga. Atmospheric temperature extremely low Partly cover radiator front area.
b. Defective thermostat Replace.
Engine coolant
leaks.a. Loosened or damaged connecting units on hoses Repair or replace.
b. Leakage from engine coolant pump Replace.
c. Leakage from engine coolant pipe Repair or replace.
d. Leakage around cylinder head gasket Retighten cylinder head bolts or replace gasket.
e. Damaged or cracked cylinder head and crankcase Repair or replace.
f. Damaged or cracked thermostat case Repair or replace.
g. Leakage from radiator Repair or replace.
Noisea. Defective drive belt Replace.
b. Defective radiator fan Replace.
c. Defective engine coolant pump bearing Replace engine coolant pump.
d. Defective engine coolant pump mechanical seal Replace engine coolant pump.
20
2-5DIAGNOSTICS
1. Engine Cooling System

B2M1218
8) Loosen clamp which connects air intake chamber to
throttle body.
9) Disconnect air hoses, and remove air intake chamber.
G2M0280
10) Disconnect accelerator cable
1.
11) Disconnect cruise control cable

2. (With cruise control
model)
B2M1231A
12) Disconnect vacuum hoses from pressure sources
switching solenoid valve.
B2M0017
13) Remove power steering pump from bracket.
(1) Remove V-belt cover.
G2M0286
(2) Loosen lock bolt and slider bolt, and remove power
steering pump drive V-belt.
11
2-7SERVICE PROCEDURE
4. Intake Manifold

B2M0340
(2) Install power steering pipe brackets on right side
intake manifold.
G2M0286
(3) Install power steering pump drive V-belt.
(4) Adjust V-belt.
B2M0017
(5) Install V-belt cover.
B2M1231A
18) Connect vacuum hoses to pressure sources switching
solenoid valve.
G2M0280
19) Connect accelerator cable
1.
20) Connect cruise control cable

2. (With cruise control
model)
21
2-7SERVICE PROCEDURE
4. Intake Manifold

B2M0016A
(3) Disconnect ATF cooler hoses from pipes. (AT
model)
B2M0017
(4) Remove V-belt cover.
G2M0267
(5) Disconnect radiator inlet hose from radiator.
G2M0220
(6) Remove radiator upper bracket, and remove radia-
tor assembly from vehicle.
7) 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.
10
2-11SERVICE PROCEDURE
2. Engine

G2M0286
11) Remove power steering pump from bracket.
(1) Loosen lock bolt and slider bolt, and remove front
side V-belt.
B2M0340
(2) Remove pipe with bracket from intake manifold.
B2M0334
(3) Remove bolts which install power steering pump
from bracket.
B2M0029
(4) Place power steering pump on the right side wheel
apron.
G2M0290
12) Remove front exhaust pipe and center exhaust pipe.
(1) Lift-up the vehicle.
(2) Remove nuts which install front exhaust pipe onto
engine.
16
2-11SERVICE PROCEDURE
2. Engine

B2M0340
(2) Install power steering pipe bracket on right side
intake manifold, and install spark plug codes.
G2M0286
(3) Install front side V-belt, and adjust it.

G2M0292
9) Tighten nuts which hold lower side of transmission to
engine.
Tightening torque:
50±4 N⋅m (5.1±0.4 kg-m, 36.9±2.9 ft-lb)
G2M0303
10) 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 mounting bolts
in the innermost elliptical hole in the front crossmem-
ber.
23
2-11SERVICE PROCEDURE
2. Engine

B2M0016A
(6) Connect radiator outlet hose.
(7) Connect ATF cooler hoses. (AT model)
B2M0017
(8) Install V-belt cover.
16) Install battery in the vehicle, and connect cables.
17) Fill coolant.

18) Check ATF level and correct if necessary. (AT model)

19) Charge A/C system with refrigerant.

20) Remove front hood stay, and close front hood.
21) Take off the vehicle from lift arms.
26
2-11SERVICE PROCEDURE
2. Engine

G2M0294
6) Install torque converter to drive plate. (AT model)
(1) Tighten bolts which hold torque converter to drive
plate.
(2) Tighten other bolts while rotating the engine by
using ST.
ST 499977000 CRANK PULLEY WRENCH
CAUTION:
Be careful not to drop bolts into torque converter
housing.
Tightening torque:
25±2 N⋅m (2.5±0.2 kg-m, 18.1±1.4 ft-lb)
(3) Clog plug onto service hole.
B2M0017
(4) Install V-belt cover.
B2M1179B
7) Install operating cylinder. (Hydraulic clutch model)
Tightening torque:
37±3 N⋅m (3.8±0.3 kg-m, 27.5±2.2 ft-lb)
G2M0313
8) Remove special tools.
40
2-11SERVICE PROCEDURE
3. Transmission