8-20 COOLING AND LUBRICATION SYSTEM
OIL SEAL
• Visually inspect the oil seal for damage, with particular atten-
tion given to the lip.
• Replace the oil seal that shows indications of leakage.
BEARING CASE/MECHANICAL CASE
• Visually inspect the bearing case and mechanical case for
damage.
• Replace the water pump body if necessary.
IMPELLER
• Visually inspect the impeller and its shaft for damage.
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