1999 SUBARU LEGACY Service Repair Manual

2. RELATED PARTS
1) Install camshafts, rocker cover and related parts.

S2M0298C
(1) Intake camshaft (LH)
(2) Exhaust camshaft (LH)
(3) Intake camshaft cap (LH)
(4) Exhasut camshaft cap (LH)
(5) Rocker cover gasket (LH)(6) Rocker cover (LH)
(7) Spark plug cordTightening torque: N´m (kg-m, ft-lb)
T1:
4.9±0.5 (0.5±0.05, 3.6±0.4)
T2:10±0.7 (1.0±0.07, 7.2±0.5)
T3:20±2 (2.0±0.2, 14.5±1.4)
2) Similarly, install parts on right-hand side.
46
2-3b[W4E2]SERVICE PROCEDURE
4. Cylinder Head

3) Install camshaft sprockets, timing belt and related parts.

S2M0303
4) Install intake manifold.
CAUTION:
Use new gaskets.
G2M0774
5) Install camshaft position sensor. Use dry com-
pressed air to remove foreign particles before
installing sensor.
6) Connect each connector and/or install connec-
tor bracket.
7) Connect hoses and tubes to cylinder block.
8) Install brackets, generator and air conditioner
compressor.
9) Install V-belt.
47
[W4E2]2-3bSERVICE PROCEDURE
4. Cylinder Head

5. Cylinder Block
A: REMOVAL
1. RELATED PARTS
1) Remove timing belt, camshaft sprockets and related parts.

S2M0303
48
2-3b[W5A1]SERVICE PROCEDURE
5. Cylinder Block

2) Remove rocker cover, camshafts and related parts.
S2M0298
3) Remove cylinder heads.
S2M0421
49
[W5A1]2-3bSERVICE PROCEDURE
5. Cylinder Block

4) Remove water pipe.
S2M0299A
(1) Water pipe (2) O-ring
50
2-3b[W5A1]SERVICE PROCEDURE
5. Cylinder Block

2. OIL PUMP AND WATER PUMP
B2M1767A
(1) Clutch housing cover (MT
vehicles only)
(2) Flywheel (MT vehicles only)
(3) Drive plate (AT vehicles only)(4) Oil separator cover
(5) Water by-pass pipe
(6) Water pump
(7) Oil pump(8) Oil pan
(9) Oil strainer
(10) Baffle plate
(11) Oil filter
51
[W5A2]2-3bSERVICE PROCEDURE
5. Cylinder Block

1) Remove clutch housing cover (MT vehicles
only).
2) Remove flywheel (MT vehicles only) or drive
plate (AT vehicles only).
Using ST, lock crankshaft.
ST 498497100 CRANKSHAFT STOPPER
G2M0776
B2M0706A
3) Remove oil separator cover.
4) Remove water by-pass pipe for heater.
5) Remove water pump.
6) Remove oil pump from cylinder block.
Use a flat-bladed screwdriver as shown in figure
when removing oil pump.
CAUTION:
Be careful not to scratch the mating surface of
cylinder block and oil pump.
S2M0722A
7) Removal of oil pan
(1) Turn cylinder block with #2 and #4 piston
sides facing upward.
(2) Remove bolts which secure oil pan to cylin-
der block.
(3) Insert a oil pan cutter blade between cylin-
der block-to-oil pan clearance and remove oil
pan.
CAUTION:
Do not use a screwdriver or similar tool in
place of oil pan cutter.
G2M0163
8) Remove oil strainer stay.
9) Remove oil strainer.
10) Remove baffle plate.
11) Remove oil filter.
52
2-3b[W5A2]SERVICE PROCEDURE
5. Cylinder Block

B: DISASSEMBLY
1. PISTON PIN AND CYLINDER BLOCK CONNECTING BOLT
B2M1180A
(1) Service hole plug
(2) Gasket(3) Circlip
(4) Piston pin(5) Service hole cover
1) Remove service hole cover and service hole
plugs using hexagon wrench (14 mm).
2) Rotate crankshaft to bring #1 and #2 pistons to
bottom dead center position, then remove piston
circlip through service hole of #1 and #2 cylinders.
G2M0165
3) Draw out piston pin from #1 and #2 pistons by
using ST.
ST 499097700 PISTON PIN REMOVER
CAUTION:
Be careful not to confuse original combination
of piston, piston pin and cylinder.
G2M0166
4) Similarly remove piston pins from #3 and #4
pistons.
5) Remove bolts which connect cylinder block on
the side of #2 and #4 cylinders.
6) Back off bolts which connect cylinder block on
the side of #1 and #3 cylinders two or three turns.
53
[W5B1]2-3bSERVICE PROCEDURE
5. Cylinder Block