Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Legacy 2000-2003 Approved Subaru Legacy 2000 2000 Service Manual ENGINE SECTION Engine MSA5TCD00L16124
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>> Download MSA5TCD00L16124 documenatation <<Text preview - extract from the document2-3 [W7A1] SERVICE PROCEDURE
7. Cylinder Block
7. Cylinder Block 11) Remove flywheel (MT vehicles only) or drive
plate (AT vehicles only).
A: REMOVAL Using ST, lock crankshaft.
ST 498497100 CRANKSHAFT STOPPER
1. RELATED PARTS
NOTE:
Before conducting this procedure drain engine oil
completely if applicable.
1) Remove intake manifold.
2) Remove timing belt.
3) Remove A/C compressor bracket. (With A/C
model)
4) Remove generator and A/C compressor with
their brackets.
G2M0776
5) Remove cylinder head bolts in alphabetical
sequence shown in figure.
CAUTION:
Leave bolts (a) and (c) engaged by three or four
threads to prevent cylinder head from falling.
B2M3395B
12) Remove oil separator cover.
13) Remove water by-pass pipe for heater.
B2M2628A
14) Remove water pump.
15) Remove oil pump from cylinder block.
6) While tapping cylinder head with a plastic Use a flat-bladed screwdriver as shown in figure
hammer, separate it from cylinder block. when removing oil pump.
7) Remove bolts (a) and (b) to remove cylinder CAUTION:
head. Be careful not to scratch the mating surface of
cylinder block and oil pump.
B2M2628A
G2M0162
8) Remove cylinder head gasket.
CAUTION: 16) Removal of oil pan
Do not scratch the mating surface of cylinder (1) Turn cylinder block with #2 and #4 piston
head and cylinder block. sides facing upward.
9) Similarly, remove right side cylinder head. (2) Remove bolts which secure oil pan to cylin-
10) Remove clutch housing cover (MT vehicles der block.
only).
38
SERVICE PROCEDURE [W7A1] 2-3
7. Cylinder Block
(3) Insert a oil pan cutter blade between cylin- 21) Remove water pipe.
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.
B2M2638
G2M0163
17) Remove oil strainer stay.
18) Remove oil strainer.
19) Remove baffle plate.
20) Remove oil filter using ST.
ST 498187300 OIL FILTER WRENCH
B2M2611A
39
2-3 [W7A2] SERVICE PROCEDURE
7. Cylinder Block
2. CYLINDER BLOCK
S2M1590A
(1) Service hole plug (3) Circlip (5) Service hole cover
(2) Gasket (4) Piston pin
1) Remove service hole cover and service hole 2) Rotate crankshaft to bring #1 and #2 pistons to
plugs using hexagon wrench [14 mm (0.55 in)]. bottom dead center position, then remove piston
circlip through service hole of #1 and #2 cylinders.
B2M2620
G2M0165
40
SERVICE PROCEDURE [W7A2] 2-3
7. Cylinder Block
3) Draw out piston pin from #1 and #2 pistons 4) Similarly remove piston pins from #3 and #4
using ST. pistons.
ST 499097700 PISTON PIN REMOVER 5) Remove bolts which connect cylinder block on
CAUTION: the side of #2 and #4 cylinders.
Be careful not to confuse original combination 6) Back off bolts which connect cylinder block on
of piston, piston pin and cylinder. the side of #1 and #3 cylinders two or three turns.
7) Set up cylinder block so that #1 and #3 cylin-
ders are on the upper side, then remove cylinder
block connecting bolts.
8) Separate left-hand and right-hand cylinder
blocks.
CAUTION:
When separating cylinder block, do not allow
the connecting rod to fall and damage the cyl-
inder block.
G2M0166
B2M2408A
(1) Cylinder block (3) Crankshaft (5) Piston
(2) Rear oil seal (4) Crankshaft bearing
9) Remove rear oil seal. CAUTION:
10) Remove crankshaft together with connecting Do not confuse combination of crankshaft
rod. bearings. Press bearing at the end opposite to
11) Remove crankshaft bearings from cylinder locking lip.
block using hammer handle.
41
2-3 [W7B1] SERVICE PROCEDURE
7. Cylinder Block
12) Draw out each piston from cylinder block
using wooden bar or hammer handle.
CAUTION:
Do not confuse combination of piston and cyl-
inder.
B: DISASSEMBLY
1. CRANKSHAFT AND PISTON
B2M1320I
(1) Connecting rod cap (3) Top ring (5) Oil ring
(2) Connecting rod bearing (4) Second ring (6) Circlip
1) Remove connecting rod cap. Warping limit:
2) Remove connecting rod bearing. 0.05 mm (0.0020 in)
CAUTION: Grinding limit:
Arrange removed connecting rod, connecting 0.1 mm (0.004 in)
rod cap and bearing in order to prevent confu-
sion. Standard height of cylinder block:
201.0 mm (7.91 in)
3) Remove piston rings using the piston ring
expander.
4) Remove the oil ring by hand.
CAUTION:
Arrange the removed piston rings in good
order to prevent confusion.
5) Remove circlip.
C: INSPECTION
1. CYLINDER BLOCK
1) Visually check for cracks and damage.
Especially, inspect important parts by means of red
lead check.
2) Check the oil passages for clogging.
3) Inspect crankcase surface that mates with cyl-
inder head for warping by using a straight edge,
and correct by grinding if necessary.
42
SERVICE PROCEDURE [W7C2] 2-3
7. Cylinder Block
2. CYLINDER AND PISTON 2) How to measure the inner diameter of each
cylinder
1) The cylinder bore size is stamped on the cylin-
Measure the inner diameter of each cylinder in
der block's front upper surface.
both the thrust and piston pin directions at the
CAUTION: heights shown in the figure, using a cylinder bore
Measurement should be performed at a tem- gauge.
perature 20
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