1999 SUBARU LEGACY brake sensor

1. Engine Cooling System Trouble in General
TroubleCorrective 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 water pump Replace.
f. Clogged engine coolant passage Clean.
g. Improper ignition timingInspect and repair ignition control system.
On-Board Diagnostics II 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.
On-Board Diagnostics II 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
hosesRepair or replace.
b. Leakage from water pump Replace.
c. Leakage from water pipe Repair or replace.
d. Leakage around cylinder head gasket Retighten cylinder head bolts or replace gasket.
e. Damaged or cracked cylinder head and crank-
caseRepair 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 water pump bearing Replace water pump.
d. Defective water pump mechanical seal Replace water pump.
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2-5[K100]DIAGNOSTICS
1. Engine Cooling System Trouble in General

16) Disconnect spark plug cords from ignition coil
and ignitor assembly.
B2M2312
17) Disconnect PCV hose assembly from intake
manifold.
B2M2313
18) Disconnect engine coolant hoses from throttle
body.
B2M2299
19) Disconnect brake booster hose.
B2M2314
20) Remove air cleaner case stay RH and engine
harness bracket, and disconnect engine harness
connectors from bulkhead harness connectors.21) Pull out engine harness connector from
bracket.
B2M2315
22) Disconnect connectors from engine coolant
temperature sensor (A) and thermometer (B).
B2M0345B
23) Disconnect knock sensor connector.
B2M2327A
24) Disconnect connector from camshaft position
sensor.
B2M2317B
28
2-7[W4A1]SERVICE PROCEDURE
4. Intake Manifold

18) Disconnect PCV hose (A) and pressure regu-
lator vacuum hose (B) from intake manifold.
19) Disconnect vacuum hose (C) to cruise control
diaphragm. (With cruise control models)
S2M0089A
20) Disconnect engine coolant hose from throttle
body.
B2M2304
21) Disconnect brake booster hose.
B2M2314
22) Remove air intake chamber stay RH, engine
harness bracket from transmission housing, and
disconnect engine harness connectors from bulk-
head harness connectors.
B2M2315
23) Disconnect connectors from engine coolant
temperature sensor (A) and thermometer (B).
B2M0345B
24) Disconnect knock sensor connector.
B2M2327A
25) Disconnect connector from camshaft position
sensor.
B2M2317B
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2-7[W4A2]SERVICE PROCEDURE
4. Intake Manifold

6) Connect knock sensor connector.
B2M2327A
7) Connect connectors to engine coolant tempera-
ture sensor (A) and thermometer (B).
B2M0345B
8) Hold engine harness connector onto bracket.
9) Install air cleaner case stay RH and engine har-
ness bracket, and connect engine harness con-
nectors to bulkhead connectors.
B2M2315
10) Connect brake booster hose.
B2M2314
11) Connect engine coolant hose to throttle body.
B2M2299
12) Connect PCV hose (A) and pressure regulator
vacuum hose (B) to intake manifold.
B2M2313
13) Connect spark plug cords to ignition coil and
ignitor assembly.
B2M2312
14) Install fuel protector LH. (LHD model only)
B2M2754
49
[W4D1]2-7SERVICE PROCEDURE
4. Intake Manifold

7) Connect connectors to engine coolant tempera-
ture sensor (A) and thermometer (B).
B2M0345B
8) Install air intake chamber stay RH and engine
harness bracket, and connect engine harness con-
nectors to bulkhead connectors.
B2M2315
9) Connect brake booster hose.
B2M2314
10) Connect engine coolant hose to throttle body.
B2M2304
11) Connect PCV hose (A) and vacuum hose (B)
to intake manifold.
H2M2440A
12) Connect spark plug cords to ignition coil and
ignitor assembly.
B2M2312
13) Install fuel pipe protector LH. (LHD model)
B2M2754
14) Install fuel pipe protector RH. (RHD model)
B2M2755
15) Install power steering pump on bracket.
53
[W4D2]2-7SERVICE PROCEDURE
4. Intake Manifold

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. Control Valve and Harness Routing
B3M0928A
(1) Stay
(2) Transmission harness
(3) O-ring
(4) O-ring
(5) Torque converter turbine speed
sensor
(6) O-ring
(7) Vehicle speed sensor 2 (Front)
(8) O-ring
(9) Vehicle speed sensor 1 (Rear)
(10) Upper valve body
(11) Accumulator piston(12) Accumulator spring
(13) Side plate
(14) Separate plate
(15) Middle valve body
(16) Separate plate
(17) Fluid filter
(18) Fluid filter
(19) Lower valve body
(20) Shift solenoid 2
(21) Shift solenoid 1
(22) 2-4 brake timing solenoid
(23) Duty solenoid D (2-4 brake)(24) ATF temperature sensor
(25) Duty solenoid A (Line pressure)
(26) Low clutch timing solenoid
(27) Duty solenoid B (Lock-up)
(28) Oil strainer
Tightening torque: N´m (kg-m, ft-lb)
T1:
7±1 (0.7±0.1, 5.1±0.7)
T2:8±1 (0.8±0.1, 5.8±0.7)
20
3-2[C400]COMPONENT PARTS
4. Control Valve and Harness Routing

3. Sensor (in transmission)
A: INSPECTION
1) Remove air intake chamber and duct.
2) Disconnect transmission connector.
S2M0212A
3) Check each sensor, solenoid and ground sys-
tem for short circuits.
S3M0039A
B3M1035A
(A) Torque converter turbine speed
sensor
(B) Vehicle speed sensor 2 (Front)
(C) Vehicle speed sensor 1 (Rear)
(D) ATF temperature sensor(E) Duty solenoid A (Line pressure)
(F) Duty solenoid B (Lock-up)
(G) Duty solenoid C (Transfer)
(H) Duty solenoid D (2-4 brake)
(I) Shift solenoid 1(J) Shift solenoid 2
(K) 2-4 brake timing solenoid
(L) Low clutch timing solenoid
(M) Transmission connector
33
[W3A0]3-2SERVICE PROCEDURE
3. Sensor (in transmission)