SUBARU LEGACY 1999 Service Manual PDF

3. Cylinder Head and Valve Assembly
B2M1955A
(1) Exhaust valve
(2) Intake valve
(3) Intake valve guide
(4) Intake valve spring seat(5) Intake valve oil seal
(6) Valve spring
(7) Retainer
(8) Retainer key(9) Exhaust valve guide
(10) Exhaust valve spring seat
(11) Exhaust valve oil seal
8
2-3a[C300]COMPONENT PARTS
3. Cylinder Head and Valve Assembly

4. Cylinder Block
B2M1957A
(1) Oil pressure switch
(2) Cylinder block (RH)
(3) Service hole plug
(4) Gasket
(5) Oil separator cover
(6) Water by-pass pipe
(7) Oil pump
(8) Front oil sea
(9) Rear oil seal
(10) O-ring
(11) Service hole cover(12) Cylinder block (LH)
(13) Water pump
(14) Baffle plate
(15) Oil filter connector
(16) Oil strainer
(17) Gasket
(18) Oil pan
(19) Drain plug
(20) Metal gasket
(21) Oil level gauge guideTightening torque: N´m (kg-m, ft-lb)
T1:
5 (0.5, 3.6)
T2:6.4 (0.65, 4.7)
T3:10 (1.0, 7)
T4:25±2 (2.5±0.2, 18.1±1.4)
T5:47±3 (4.8±0.3, 34.7±2.2)
T6:69±7 (7.0±0.7, 50.6±5.1)
T7:First 12±2 (1.2±0.2, 8.7±1.4)
Second 12
±2 (1.2±0.2,
8.7
±1.4)
9
[C400]2-3aCOMPONENT PARTS
4. Cylinder Block

5. Crankshaft and Piston
B2M1958A
(1) Flywheel (MT)
(2) Bell bearing (MT)
(3) Reinforcement (AT)
(4) Drive plate (AT)
(5) Top ring
(6) Second ring
(7) Oil ring
(8) Piston(9) Piston pin
(10) Circlip
(11) Connecting rod bolt
(12) Connecting rod
(13) Connecting rod bearing
(14) Connecting rod cap
(15) Crankshaft
(16) Woodruff key(17) Crankshaft bearing #1, #3
(18) Crankshaft bearing #2, #4
(19) Crankshaft bearing #5
Tightening torque: N´m (kg-m, ft-lb)
T1:
44±2 (4.5±0.2, 32.5±1.4)
T2:72±3 (7.3±0.3, 52.8±2.2)
10
2-3a[C500]COMPONENT PARTS
5. Crankshaft and Piston

6. Valve Rocker Assembly
B2M1956A
(1) Intake valve rocker arm
(2) Valve rocker nut
(3) Valve rocker adjust screw
(4) Spring
(5) Rocker shaft support(6) Intake rocker shaft
(7) Exhaust rocker shaft
(8) Exhaust valve rocker armTightening torque: N´m (kg-m, ft-lb)
T1:
5±1 (0.5±0.1, 3.6±0.7)
T2:10±1 (1.0±0.1, 7.2±0.7)
T3:12±1 (1.2±0.1, 8.7±0.7)
11
[C600]2-3aCOMPONENT PARTS
6. Valve Rocker Assembly

1. General Precautions
A: GENERAL PRECAUTIONS
1) Before disassembling engine, place it on ST3.
ST1 498457000 ENGINE STAND ADAPTER
RH
ST2 498457100 ENGINE STAND ADAPTER
LH
ST3 499817000 ENGINE STAND
B2M2582A
2) All parts should be thoroughly cleaned, paying
special attention to the engine oil passages, pis-
tons and bearings.
3) Rotating parts and sliding parts such as piston,
bearing and gear should be coated with oil prior to
assembly.
4) Be careful not to let oil, grease or coolant con-
tact the timing belt, clutch disc and flywheel.
5) All removed parts, if to be reused, should be
reinstalled in the original positions and directions.
6) All removed parts, if to be reused, should be
reinstalled in the original positions and directions.
7) Bolts, nuts and washers should be replaced
with new ones as required.
8) Even if necessary inspections have been made
in advance, proceed with assembly work while
making rechecks.
12
2-3a[W1A0]SERVICE PROCEDURE
1. General Precautions

2. Timing Belt
A: REMOVAL
1. CRANKSHAFT PULLEY AND BELT COVER
B2M2583A
(1) Front side V-belt
(2) Rear side V-belt (With A/C
model)(3) Crankshaft pulley bolt
(4) Crankshaft Pulley
(5) Belt cover (LH)(6) Front belt cover
1) Remove A/C belt. (With A/C model)
B2M2584
2) Remove A/C belt tensioner. (With A/C model)
B2M2585
3) Remove crankshaft pulley bolt. To lock
crankshaft, use ST.
ST 499977000 CRANKSHAFT PULLEY
WRENCH
B2M2586A
4) Remove crankshaft pulley.
13
[W2A1]2-3aSERVICE PROCEDURE
2. Timing Belt

5) Remove belt cover (LH).
6) Remove front belt cover.
B2M2587A
2. TIMING BELT
B2M2588B
(a) Alignment mark
(1) Timing belt guide (MT vehicles
only)(2) Belt idler (No. 2)
(3) Belt idler No. 2
(4) Timing belt
1) Remove timing belt guide. (MT vehicles only)
S2M0294
14
2-3a[W2A2]SERVICE PROCEDURE
2. Timing Belt

2) If alignment mark (a) and/or arrow mark (which
indicates rotation direction) on timing belt fade
away, put new marks before removing timing belt
as shown in figure:
B2M2589A
(1) Turn crankshaft using ST, and align align-
ment marks (c) on crankshaft sprocket, and left
side camshaft sprocket with notch (c) of belt
cover, and align the right side camshaft
sprocket with notch (c) on the mating surface of
camshaft cap and cylinder head.
ST 499987500 CRANKSHAFT SOCKET
B2M2590A
(2) Using white paint, put alignment and/or
arrow marks on timing belts in relation to the
sprockets.
B2M2591
Specified data:
Z
1: 44 tooth length
Z
2: 40.5 tooth
B2M2592A
3) Remove belt idler (No. 2).
4) Remove belt idler No. 2.
B2M2593
5) Remove timing belt.
B2M2594
15
[W2A2]2-3aSERVICE PROCEDURE
2. Timing Belt

3. BELT IDLER AND AUTOMATIC BELT TENSION ADJUSTER ASSEMBLY
B2M2595B
(1) Belt idler (No. 1)
(2) Automatic belt tension adjuster
ASSY
1) Remove belt idler (No. 1).
B2M2596
2) Remove automatic belt tension adjuster assem-
bly.
H2M2375
16
2-3a[W2A3]SERVICE PROCEDURE
2. Timing Belt

4. CAMSHAFT AND CRANKSHAFT SPROCKET
B2M2598B
(1) Camshaft sprocket No. 2
(2) Camshaft sprocket No. 1
(3) Crankshaft sprocket (California
spec. vehicles)(4) Belt cover No. 2 (LH)
(5) Belt cover No. 2 (RH)
(6) Tensioner bracket
1) Remove camshaft sprocket No. 2. To lock
camshaft, use ST.
ST 499207100 CAMSHAFT SPROCKET
WRENCH
H2M2377A
2) Remove camshaft sprocket No. 1. To lock
camshaft, use ST.
ST 499207400 CAMSHAFT SPROCKET
WRENCH
B2M2599A
17
[W2A4]2-3aSERVICE PROCEDURE
2. Timing Belt