Chapter 06 - Chapter 6 Torque Converters and Oil Pumps Upon...

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Chapter 6 Torque Converters and Oil Pumps Upon completion and review of this chapter, the student should be able to: 39
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Classroom Manual Objectives Identify the major components in a torque converter and explain their purpose. Have a basic understanding of the fluid flows that occur in a torque converter. Explain the necessity of curved blades to enhance torque converter efficiency. Discuss stator design and operation. Explain how fluid flows in and out of a torque converter. Explain torque converter operation in the stall and coupling phases. Explain the basic design and operation of standard and torque converters with a clutch. Describe the design and operation of a centrifugal torque converter clutch. Describe the design and operation of a piston-type converter clutch. Explain the operation of typical electronic controls for a converter clutch. Name and explain the different designs of pumps used in modern transmissions. Shop Manual Objectives Diagnose torque converter problems and determine needed repairs. Perform a stall test and determine needed repairs. Perform converter clutch system tests and determine needed repairs. Diagnose hydraulically and electrically controlled torque converter clutches. Inspect converter flex plate, converter attaching bolts, converter pilot and converter pump drive surfaces. Measure torque converter end play and check for interference. Check the stator clutch. Check a torque converter and transmission cooling system for contamination. Inspect, leak test, flush, and replace cooler, lines, and fittings. Inspect, measure, and replace an oil pump assembly and related components. Overview This chapter in both manuals covers the operation of torque converters. The chapters also discuss the testing procedures and hydraulic and electrical theories that apply to the tests needed for service to the torque converter. Reading Assignments Classroom Manual, pages 147-192 40 Instructor’s Guide to Accompany Today’s Technician: Automatic Transmissions & Transaxles 3E
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Shop Manual, pages 253-286 Terms to Know Ballooning Converter capacity Coupling phase Crescent Damper EMCC Fail-safe valve Fixed displacement pump Frequency Gear-type pumps Guide rings Heat exchanger Isolator springs IX-pump MCCC Mineral spirits Pulse width Reactor Rotary flow Rotor-type pump Sheaves Stall speed Stator Vacuum transducer Vane-type pump Variable capacity pumps VCC Vortex flow Lecture Outline and Notes I. Objectives Review the chapter’s objectives. II. Introduction A. Discuss the history of the torque converter. B. Discuss torque converter operations. C. Discuss the constant variable transmission. III. General Diagnostics
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This note was uploaded on 09/13/2011 for the course AUTOMOTIVE 241 taught by Professor Saxton during the Spring '11 term at Community College of Philadelphia.

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Chapter 06 - Chapter 6 Torque Converters and Oil Pumps Upon...

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