Engine Cooling System: 1F-16
10) Apply a small quantity of thread lock to the impeller
securing bolt and tighten it to the specified torque.
: Thread lock cement 99000–32110
(THREAD LOCK CEMENT SUPER 1322 or
equivalent)
Tightening torque
Impeller securing bolt (a): 8 N·m (0.8 kgf-m, 6.0
lb-ft)
11) Install new O-ring (8) and apply engine coolant to it.
CAUTION
!
Use a new O-ring to prevent engine coolant
or oil leakage.
12) Fit the water pump case and tighten the water pump
case screws (9) to the specified torque.
Tightening torque
Water pump case screw (b): 5.5 N·m (0.55 kgf-
m, 4.0 lb-ft)
13) Tighten the water pump air bleeder bolt (10) to the
specified torque.
CAUTION
!
Use a new gasket washer to prevent engine
coolant leakage.
Tightening torque
Water pump air bleeder bolt (c): 13 N·m (1.3 kgf-
m, 9.5 lb-ft)
Water Pump Related Parts Inspection
B837H11606019
Refer to “Water Pump Disassembly and Assembly
(Page 1F-13)”.
Mechanical Seal
Visually inspect the mechanical seal for damage, with
particular attention given to the sealing face.
Replace the mechanical seal that shows indications of
leakage.
7
(a)
I837H1160045-02
8
I837H1160046-01
(b)
9
(c)
10
I837H1160052-02
I837H1160047-01
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