Subaru 2002 IMPREZA Service Manual page 344

COOLING
2. TURBO MODEL
1) Install the water pump onto cylinder head (LH).
NOTE:
• Replace the gasket with a new one.
• When installing the water pump, tighten bolts in
two stages in alphabetical sequence as shown in
the figure.
Tightening torque:
First:
12 N·m (1.2 kgf-m, 8.7 ft-lb)
Second:
12 N·m (1.2 kgf-m, 8.7 ft-lb)
2) Install the belt cover No. 2 (LH).
Tightening torque:
5 N·m (0.5 kgf-m, 3.6 ft-lb)
3) Install the tensioner bracket.
Tightening torque:
25 N·m (2.5 kgf-m, 18.1 ft-lb)
WATER PUMP
4) Install the camshaft sprockets (LH) by using ST.
ST 18231AA010 CAMSHAFT SPROCKET
ST 499207400
Tightening torque:
98 N·m (10.0 kgf-m, 72.4 ft-lb)
5) Install the camshaft position sensor. <Ref. to
FU(TURBO)-31, INSTALLATION, Camshaft Posi-
tion Sensor.>
6) Install the belt idler No. 2 (C).
7) Install the belt idler (B).
H2M1846C
8) Install the automatic belt tension adjuster (A)
which has a tension rod held by a pin. <Ref. to
ME(TURBO)-50, AUTOMATIC BELT TENSION
ADJUSTER ASSEMBLY AND BELT IDLER, IN-
STALLATION, Timing Belt Assembly.>
Tightening torque:
39.4 N·m (4.0 kgf-m, 28.9 ft-lb)
S2M1162
9) Install the timing belt. <Ref. to ME(TURBO)-51,
TIMING BELT, INSTALLATION, Timing Belt As-
sembly.>
10) Install the V-belts. <Ref. to ME(TURBO)-45,
INSTALLATION, V-belt.>
11) Install the radiator main fan and sub fan motor
assemblies. <Ref. to CO-49, INSTALLATION, Ra-
diator Main Fan and Fan Motor.> and <Ref. to CO-
50, INSTALLATION, Radiator Sub Fan and Fan
Motor.>
S2M1163
CO-34
WRENCH (Intake)
CAMSHAFT SPROCKET
WRENCH (Exhaust)
ST
EN1320
S2M1160A