Water Pump - Subaru Legacy 2002 Service Manual

Cooling

5. Water Pump

A: REMOVAL
S146061A18
1) Remove radiator.
REMOVAL, Radiator.>
2) Remove V-belt.
<Ref. to ME(H6)-29, REMOVAL, V-belt.>
3) Remove front chain cover.
<Ref. to ME(H6)-40, REMOVAL, Front Chain
Cover.>
4) Remove timing chain.
<Ref. to ME(H6)-42, REMOVAL, Timing Chain
Assembly.>
5) Remove water pump.
NOTE:
When water pump cannot be easily removed,
install M8 bolt in opposing bolt holes ("A" in figure).
Alternately tightening each bolt should be enough
to gradually free water pump from rear chain cover.
WATER PUMP
S146061
<Ref. to CO(H6)-23,
B2M4435A
CO(H6)-20
B: INSTALLATION
1) Install water pump onto rear chain cover.
NOTE:
Apply engine coolant to O-ring.
Tightening torque:
6.4 N·m (0.65 kgf-m, 4.7 ft-lb)
NOTE:
¼ Replace O-rings with a new one.
¼ Applying engine coolant to O-ring makes water
pump installation easier.
2) Install timing chain assembly. <Ref. to ME(H6)-
43, INSTALLATION, Timing Chian Assembly.>
3) Install front chain cover.
<Ref. to ME(H6)-40, INSTALLATION, Front Chain
Cover.>
4) Install V-belt.
INSTALLATION, V-belt.>
5) Install radiator.
INSTALLATION, Radiator.>
6) Fill coolant. <Ref. to CO(H6)-18, FILLING OF
ENGINE COOLANT, REPLACEMENT, Engine
Coolant.>
C: INSPECTION
1) Check water pump bearing for smooth rotation.
2) Check water pump sprocket for abnormalities.
S146061A11
B2M4435
<Ref. to ME(H6)-29,
<Ref. to CO(H6)-24,
S146061A10