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A Systems Approach

PowerPoint® PresentationPrepared byRené Green

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Chapter 11

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Chapter Overview This chapter describes the components of typical

lubricating and cooling systems and how each functions. Also included are oil types, oil pump inspection, service, and installation as well as the liquid cooling system and its service.

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Chapter Objectives Name and describe the components of a typical

lubricating system. Inspect, service, and install an oil pump. Describe the purpose of a crankcase ventilation

system. Explain oil service and viscosity ratings. List and describe the major components of the

cooling system.

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Describe the operation of the cooling system. Describe the function of the water pump,

radiator, radiator cap, and thermostat in the cooling system.

Test and service the cooling system.

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Lubrication

Oil Consump-tion

Oil Types

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Lubricating Systems Oil Pumps Oil Pump Pickup Oil Pan or Sump Pressure Relief Valve Oil Filter Engine Oil Passages or Galleries Engine Bearings Oil Pressure Indicator

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Oil Seals and Gaskets Dipstick Oil Cooler.

Oil Pump Types of Pumps

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Rotor-type Gear-type

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Pressure Regulation

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Measuring Oil Pressure Oil Pressure Indicators Oil Filters

Oil Pump Inspection and Service

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Installing the Oil Pump

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Cooling Systems Liquid Cooled System

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Coolant

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Expansion or recovery tank

Water pumpRadiatorRadiator pressure

capsWater outletHosesThermostatBelt drivesFans and fan clutches

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Water jackets Temperature indicator Heater system Oil cooler

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Air-Cooled System Cooling System Servicing

Testing the Cooling System for Leaks

Repairing Radiators

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Testing the Radiator Pressure Cap

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Testing the Thermostat

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Checking and Replacing Hoses

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Water Pump Service

Checking Fans and Fan Clutches

Checking Belts

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Flushing Cooling Systems Refilling and Bleeding