Chabot College Fall 2005 Replaced Fall 2010

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Chabot College
Fall 2005
Replaced Fall 2010
Course Outline for Automotive Technology 64B
AUTOMATIC TRANSMISSION/TRANSAXLE ASSEMBLIES
Catalog Description:
64B Automatic Transmission/Transaxle Assemblies
(May be repeated three times)
3 units
Diagnosis, inspection, repair, and adjustment of automatic transmission/transaxle assemblies.
Includes the study of torque converters, friction materials, hydraulics, gear trains, manual and
electronic controls. Prerequisite: Automotive Technology 50 (may be taken concurrently).
Strongly recommended: Industrial Technology 74 (may be taken concurrently). 1.5 hours lecture,
5 hours laboratory.
[Typical contact hours: lecture 26.25, laboratory 87.5]
Prerequisite Skills:
Before entering the course, the student should be able to:
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recognize unsafe working conditions and practices;
use common automotive shop equipment safely;
identify and recognize common automotive tools and equipment;
identify fasteners;
demonstrate proper procedures to repair a broken fastener and/or repair threads;
discuss automotive engine fundamentals;
perform engine vacuum tests;
perform cylinder compression tests;
perform cylinder leakage tests;
perform oil pressure tests;
perform oil and filter change;
assess and use service information;
demonstrate proper use of metric and standard micrometers;
demonstrate proper use of an analog or digital volt/ohmmeter;
select the appropriate automotive fluid for the selected application;
use appropriate methods for hazardous waste handling and disposal;
discuss potential areas of employment in the automotive industry.
Expected Outcomes for Students:
Upon completion of the course, the student should be able to:
1. identify and interpret transmission/transaxle concern, assure proper engine operation, and
determine necessary action;
2. diagnose unusual fluid usage, level, and condition concerns, and determine necessary
action;
3. perform pressure and stall tests, and determine necessary action;
4. perform lock-up converter system tests, and determine necessary action;
5. diagnose electronic, mechanical, hydraulic, vacuum control system concerns, and determine
necessary action;
6. diagnose transmission/transaxle gear reduction/multiplication concerns using driving, driven,
and held member (power flow) principles;
7. inspect, adjust or replace throttle linkages or cables, and check gear select indicator (as
applicable);
8. service transmission/transaxle, perform visual inspection; and replace fluids and filters;
Chabot College
Course Outline for Automotive Technology 64B, Page 2
Fall 2005
9. inspect and replace external seals and gaskets;
10. inspect, leak test, flush, and replace cooler, lines, and fittings;
11. diagnose electronic transmission control systems using a scan tool; determine necessary
action;
12. disassemble, clean, and inspect transmission/transaxle and reassemble;
13. check torque converter and transmission cooling system for contamination;
14. inspect, measure, and reseal oil pump assembly and components;
15. measure endplay or preload, and determine necessary action;
16. inspect, measure, and replace thrust washers. bearings and bushings;
17. inspect oil delivery seal rings, ring grooves, and sealing surface areas, roller and sprag
clutch, races, rollers, sprags, springs, cages, and retainers, and determine necessary action;
18. inspect and measure planetary gear assembly, case bores, passages, bushings, vents, and
mating surfaces and determine necessary action;
19. inspect transaxle drive, link chains, sprockets, gears, bearings, and bushings, and perform
necessary action;
20. inspect, measure, repair, adjust or replace transaxle final drive components;
21. inspect clutch drum, piston, check balls, springs, retainers, seals, and friction and pressure
plates, and replace as needed;
22. measure clutch pack clearance, and adjust as needed;
23. air test operation of clutch and servo assemblies;
24. inspect bands and drums; adjust or replace as needed;
25. remove and reinstall a transmission or transaxle and torque converter.
Course Content:
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Automotive safety and shop practice
Proper care and manipulation of basic hand and specialty tools
Fundamentals, operating and servicing principles of automatic transmissions/transaxles
Diagnostic, inspection, and repair principles of mechanical, hydraulic and electronic systems
Torque converter fundamental principles and servicing
Friction materials, planetary gear systems, mechanical principles
Hydraulic control systems, fluid principles and servicing
Electronic control systems, principles and servicing
Overhaul and adjustment techniques
Hazardous waste handling
Methods of Presentation:
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Lecture/discussion
Laboratory
Guest speakers
Field trips
Assignments and Methods of Evaluating Student Progress:
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Typical Assignments
a. Read chapter titled Hydraulic System Theory
b. Complete worksheet #9, calculate hydraulic apply force
c. Disassemble transaxle using manufacturer’s recommended procedures
Chabot College
Course Outline for Automotive Technology 64B, Page 3
Fall 2005
2.
Methods of Evaluating Student Progress
a. Class participation
b. Performance of laboratory task lists and projects
c. Homework assignments
d. Quizzes
e. Midterm exam
f. Final exam
Textbook(s) Typical:
Automatic Transmissions and Transaxles, Tom Birch, Prentice Hall Publishers, 2002
Special Student Materials:
1. Safety glasses
2. Shop/safety clothing
RJ 09/2004
AT 64B course outline.doc
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