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COOLING SYSTEM 4-11
Water Pump
•
Be sure to replace the mechanical seal, oil seal, and O
-ring with new ones because these parts will be damaged
by removal.
•
Apply plenty of high temperature grease to the oil s eal
lips.
•
Apply oil to the outer circumference of the oil seal.
•
Press the oil seal [A] into the water pump body [B] with
the bearing driver [C] so that the spring side [D] of the
seal lips is toward the inside of the water pump body.
•
Press the oil seal until it bottoms out.
Special Tool - Bearing Driver Set: 57001–1129
NOTE
○
Since the replacement mechanical seal has an adhe-
sive coated body, do not apply a liquid gasket to the
exterior surface of the body.
•
Press t he flange [A] of the mechanical s eal, using a collar
[B] and a bearing driver [C] until the seal flange touches
th
e step.
Collar Inside Dia. :
26.5 mm (1.043 in.) ∼ 28 mm (1.102 in.)
Collar Outside Dia. :
31.7 mm (1.248 in.) or more
Special Tool - Bearing Driver Set: 57001–1129
•
Clean both sliding surfaces of a new mechanical seal with
a high-flash point solvent (e.g. ethyl alcohol), and apply a
little coolant to the sliding surface to give the mechanical
seal initial lubrication.
•
Apply coolant to the surface of the rubber seal [A] and
sealing seat [B], and press [C] the rubber seal and sealing
seat into the impeller by hand until the seat bottoms out.
Torque - Water Pump Impeller Bolt: 9.8 N·m (1.0 kgf·m, 87
in·lb)