Subaru 2009 IMPREZA Service Manual page 350

COOLING
4) Install the belt cover No. 2 LH.
Tightening torque:
5 N·m (0.5 kgf-m, 3.7 ft-lb)
5) Install the cam
ME(H4SO)-54, INSTALLATION, Cam Sprocket.>
6) Install the camshaft position sensor. <Ref. to
FU(H4SO)-28, INSTALLATION, Camshaft Position
Sensor.>
7) Install an automatic belt tension adjuster with the
tension rod held by a pin. <Ref. to ME(H4SO)-50,
AUTOMATIC BELT TENSION ADJUSTER AS-
SEMBLY AND BELT IDLER, INSTALLATION,
Timing Belt.>
8) Install the timing belt. <Ref. to ME(H4SO)-51,
TIMING BELT, INSTALLATION, Timing Belt.>
9) Install the timing belt cover. <Ref. to ME(H4SO)-
48, INSTALLATION, Timing Belt Cover.>
10) Install the crank pulley. <Ref. to ME(H4SO)-46,
INSTALLATION, Crank Pulley.>
11) Install the V-belts. <Ref. to ME(H4SO)-39, IN-
STALLATION, V-belt.>
12) Install the radiator. <Ref. to CO(H4SO)-20, IN-
STALLATION, Radiator.>
Water Pump
CO-00019
sprocket LH. <Ref.
CO(H4SO)-16
C: INSPECTION
1) Check the water pump bearing for smooth rota-
tion.
2) Check the water pump pulley for abnormalities.
3) Make sure the impeller is not deformed or dam-
aged.
4) Inspect the clearance between impeller and
pump case.
Clearance between impeller and pump case:
Standard
0.5 — 1.5 mm (0.020 — 0.060 in)
to
5) After water pump installation, check pulley shaft
for engine coolant leaks or noise. If leaks or noise
are noted, replace the water pump assembly.
CO-00293