Subaru IMPREZA 2002 Service Manual page 177

CYLINDER BLOCK
MECHANICAL
(4) Install the oil pump on cylinder block. Be
careful not to damage the oil seal during instal-
lation.
6.4 N-m (0.65 kgf-m, 4.7 ft-lb)
Tightening torque:
CAUTION:
Do not forget to install the O-ring and seal
when installing the oil pump.
Align the flat surface of oil pump's inner rotor
with cranks haft before i n stal lat ion.
24) Install the water pump and gasket.
Tightening torque:
First; 7 2 N-m (7.2 kgf-m, 8.7 ft-lb)
Second; 7 2 N m (7.2 kgf-m, 8.7 ft-lb)
CAUTION:
Be sure to use a new gasket.
When installing the water pump, tighten bolts
in two stages in alphabetical sequence as
shown in the figure.
H2M1568B
25)
Install the water by-pass pipe for heater
26) Install the oil filter usina ST.
ST 498547000 OIL FrLTER WRENCH
w w
B2M2611f
27) Tighten the cylinder head bolts.
(1) Apply a coat of engine oil to washers and
bolt threads.
(2) Tighten all bolts to 29 N-m (3.0 kgf-m, 22 ft-
Ib) in alphabetical sequence.
Then tighten all bolts to 69 N.m (7.0 kgf-m, 51 ft-
Ib) in alphabetical sequence.
(3) Back off all bolts by 180" first; back them off
by 180" again.
(4) Tighten the bolts (a) and (b) to 34 N-m (3.5
kgf-m, 25 ft-lb).
(5) Tighten the bolts (c), (d), (e) and (f) to
15 N.m (1.5 kgf-m, 11 ft-lb).
(6) Tighten all bolts by 80 to 90" in alphabetical
sequence.
CAUTION:
Do not tighten the bolts more than 90".
(7) Further tighten all bolts by 80 to 90" in al-
p habe tica l sequence.
CAUTION:
Ensure the total "re-tightening angle" [in the
former two steps], do not exceed 180".
Front
0
28) Install the oil level gauge guide and tighten the
attaching bolt (left side only).
29) Install the rocker cover.
30) Install the crankshaft sprocket. <Ref. to
ME( S0HC)-54, I N STALLATI ON, Cranks haft
Sprocket.
>
31) Install the camshaft sprocket. <Ref. to ME(S0-
HC)-52, INSTALLATION, Camshaft Sprocket.>
32) Install the timing belt assembly. <Ref. to
ME(S0HC)-48, INSTALLATION, Timing Belt As-
sembly.>
33) Install the belt cover. <Ref. to ME(S0HC)-46,
INSTALLATION, Belt Cover.>
34) Install the crankshaft pulley. <Ref. to ME(S0-
H C)-45, I N STALLAT IO N
,
Cranks haft P u I ley.
>
35) Install the generator and A/C compressor
brackets on cylinder head.
36) Install the intake manifold. <Ref. to FU(S0HC)-
17, INSTALLATION, Intake Manifold.>
37) Install the V-belt. <Ref. to ME(S0HC)-43, IN-
STALLATION, V-belt.>
ME(S0HC)-79