Cylinder Block - Subaru Impreza 2002 Service Manual

20.Cylinder Block

A: REMOVAL
NOTE:
Before conducting this procedure, drain the engine
oil completely if applicable.
1) Remove the intake manifold. <Ref. to FU(TUR-
BO)-15, REMOVAL, Intake Manifold.>
2) Remove the V-belt. <Ref. to ME(STi)-43, RE-
MOVAL, V-belt.>
3) Remove the crankshaft pulley. <Ref. to ME(STi)-
45, REMOVAL, Crankshaft Pulley.>
4) Remove the belt cover. <Ref. to ME(STi)-46,
REMOVAL, Belt Cover.>
5) Remove the timing belt assembly. <Ref. to
ME(STi)-47, REMOVAL, Timing Belt Assembly.>
6) Remove the camshaft sprocket. <Ref. to
ME(STi)-56, REMOVAL, Camshaft Sprocket.>
7) Remove the crankshaft sprocket. <Ref. to
ME(STi)-58, REMOVAL, Crankshaft Sprocket.>
8) Remove the generator and A/C compressor with
their brackets.
9) Remove the cylinder head assembly. <Ref. to
ME(STi)-65, REMOVAL, Cylinder Head Assem-
bly.>
10) Remove the clutch housing cover.
11) Remove the flywheel.
Using the ST, lock the crankshaft.
ST 498497100 CRANKSHAFT STOPPER
12) Remove the oil separator cover.
13) Remove the water by-pass pipe for heater.
14) Removal of oil pan:
(1) Turn the cylinder block with #2 and #4 piston
sides facing upward.
(2) Remove the bolts which secure oil pan to
cylinder block.
CYLINDER BLOCK
(3) Insert a oil pan cutter blade between cylin-
der block-to-oil pan clearance and remove the
oil pan.
CAUTION:
Do not use a screwdriver or similar tool in place
of oil pan cutter.
15) Remove the oil strainer stay.
16) Remove the oil strainer.
17) Remove the baffle plate.
18) Remove the water pipes.
19) Remove the water pump.
20) Remove the oil pump from cylinder block.
Use a flat-bladed screwdriver as shown in the fig-
ure when removing oil pump.
CAUTION:
Be careful not to scratch the mating surface of
cylinder block and oil pump.
G2M0776
ME(STi)-73
MECHANICAL
G2M0163
G2M0162