11. COOLING SYSTEM Water Pump Assembly MECHANICAL SEAL REPLACEMENT Drive the mechanical seal out of the water pump assembly from the outer. Mechanical Seal (Water Seal) Drive in a new mechanical seal using a mechanical seal driver. Apply sealant to the right crankcase cover fitting surface of a new mechanical seal and then drive in the mechanical seal. Mechanical Seal Driver Water Pump Assembly WATER PUMP SHAFT INSTALLATION Drive a new water pump shaft inside bearing into the water pump assembly from the inside. Inside Bearing 11-10