SRJC Course Outlines

5/28/2024 3:20:10 AMAUTO 53 Course Outline as of Fall 2006

Changed Course

Discipline and Nbr:  AUTO 53Title:  AUTOMOTIVE DRIVE TRAIN  
Full Title:  Automotive Drive Train
Last Reviewed:9/10/2018

UnitsCourse Hours per Week Nbr of WeeksCourse Hours Total
Maximum6.00Lecture Scheduled4.0017.5 max.Lecture Scheduled70.00
Minimum6.00Lab Scheduled7.0017.5 min.Lab Scheduled122.50
 Contact DHR0 Contact DHR0
 Contact Total11.00 Contact Total192.50
 Non-contact DHR0 Non-contact DHR Total0

 Total Out of Class Hours:  140.00Total Student Learning Hours: 332.50 

Title 5 Category:  AA Degree Applicable
Grading:  Grade Only
Repeatability:  00 - Two Repeats if Grade was D, F, NC, or NP
Also Listed As: 

Catalog Description:
Untitled document
An in depth study of automotive drive train systems for the entry level auto student. Course covers theory, operation, diagnosis, service and overhaul of most automotive automatic and manual transmissions and trans axles, drive axles and all wheel drive systems. Diagnosis of modern drive train systems is emphasized. Instruction includes lecture and practical lab experience. Course prepares student for A2 and A3 ASE exams.


Recommended Preparation:
Course Eligibility for ENGL 100 and Course Completion of AUTO 100 OR Course Eligibility for EMLS 100 ( or ESL 100)

Limits on Enrollment:

Schedule of Classes Information
Description: Untitled document
Course covers theory, operation, diagnosis, service and overhaul of most automotive automatic and manual transmissions and transaxles, drive axles and all wheel drive systems.
(Grade Only)

Recommended:Course Eligibility for ENGL 100 and Course Completion of AUTO 100 OR Course Eligibility for EMLS 100 ( or ESL 100)
Limits on Enrollment:
Transfer Credit:CSU;
Repeatability:00 - Two Repeats if Grade was D, F, NC, or NP


Associate Degree:Effective:Inactive:
CSU GE:Transfer Area Effective:Inactive:
IGETC:Transfer Area Effective:Inactive:
CSU Transfer:TransferableEffective:Fall 1981Inactive:Spring 2019
UC Transfer:Effective:Inactive:

Certificate/Major Applicable: Certificate Applicable Course


Outcomes and Objectives:
At the conclusion of this course, the student should be able to:
Untitled document
Upon successful completion of this course the student will be able to:
1. Explain the theory and operation of automotive drive train components.
2. Inspect, evaluate and repair automotive drive train components.
3. Analyze engine performance, transmission gearing and final drive
  ratios for specific vehicle applications.
4. Evaluate, diagnose and repair hydraulic system failures.
5. Evaluate, diagnose and repair electronic transmission controls.
6. Diagnose a malfunction in the gear train based on transmission power
7. Take the ASE A2 and A3 certification exams.

Topics and Scope
Untitled document
1. Safety/Introduction
  a. FWD/RWD/AWD (four-wheel drive, rear-wheel drive, all-wheel drive)
  b. Engine torque output interpretation
  c. Gear ratio formulas - torque and speed calculation
  d. Types of gears - effect on transmission construction
  e. Types of bearings - load transfer
  f. Radial and Thrust Loads
  g. Causes of bearing failure
2. Clutches
  a. Components
  b. Clutch function - theory of operation - torque transfer variables
  c. Linkages
  d. Diagnosis of clutch failure
  e. Clutch Service
3. Transmissions and transaxles
  a. Power flow - transmissions - analysis of drive ratios
  b. Power flow - transaxles - evaluation of drive ratios
  c. Synchronizer function
  d. Transmission diagnosis - analysis of transmission failure
  e. Noise diagnosis
  f. Evolution of transmissions - evolution of transmission design
4. Front and rear drivelines
  a. Drive shaft construction
  b. U-joint (universal joint) speed changes - analysis of variable
velocity units
  c. Angles-phasing of U-joints - operating angle measurements and limits
  d. U-joint inspection and service
  e. Axle shaft construction
  f. Types of CV (constant velocity) joints
  g. Axle inspection - failure analysis
  h. Axle replacement procedure
5. Final drive assemblies
  a. Types of final drives
  b. Characteristics of high ratios - effect on vehicle performance and
  c. Characteristics of low ratios - effect on vehicle performance and
  d. Determining final drive ratios
  e. Hypoid gear types: hunting and non-hunting
  f. Hypoid gear setup procedure and evaluation
  g. Differential operation
  h. Traction control operating characteristics
  i. Axle types and retention
6. All wheel drive (AWD) systems - traction variables
  a. AWD terms
  b. Full time AWD operating systems
  c. Part time AWD operating systems
  d. Transfer case types
  e. Transfer case operation and torque transfer to drive axles
  f. Transfer case service - failure analysis
  g. Types of front hubs and axles
  h. Front hub service
7. Introduction to automatics
  a. Advantages of automatics
  b. Theory of and operation
  c. Classifying automatics
  d. Hydraulic shift timing controls
  e. Electronic shift timing controls
  f. Common models
8. Planetary gear sets
  a. Simple planetary gear set components and operating theory
  b. Inputs, outputs and held members
  c. Gear ratio calculation - torque speed changes
  d. Ratios used in automotive applications
  e. Compound planetary gearset theory of operation
9. Hydraulics
  a. Basic hydraulic operating theory
  b. Force and pressure definitions
  c. Pascal's law
  d. Pressure and force calculations
  e. Types and operation of pumps
  f. Pressure regulation - evaluation of regular circuits
  g. Spool valve parts and operation
  h. Throttle and modulator valves
  i. Governor operation
  j. Engine load and road speed evaluation
10. Torque converters
  a. Engine torque curves
  b. Parts of converter
  c. Rotary, vortex flow - analysis of hydraulic torque transfer
  d. Stator operation
  e. Stall speeds
  f. Engine and converter matching - analysis of engine torque and
converter interaction
  g. Lock-up converters
  h. Lock-up function
  i. Lock-up conditions
11. Apply devices
  a. Types of apply devices - torque transfer variables
  b. Clutch pack overhaul
  c. Clutch pack clearance - evaluation and correction
  d. Band and servo overhaul
  e. Band adjustments and inspection
  f. Types of one-way clutches
  g. Operation of one-way clutches
12. Fluids - power flow
  a. Types of fluid - characteristics of fluid
  b. Low fluid level problems
  c. High fluid level problems
  d. Transmission service procedures
  e. Trans fluid temperature and service life - oil analysis
  f. Oil cooler types - theory of heat transfer
  g. Oil cooler circuits
  h. End play controls - evaluation and correction
  i. Selective thrusts
  j. Bushings: inspection and replacement
  k. Seal ring replacement - analysis of seal integrity
  l. Piston seal replacement
  m. Transmission power flow
13. Electronics
  a. Basic computer operation
  b. Input sensors and testing
  c. Actuator function and testing
  d. Computer diagnosis
  e. Code retrieval
  f. OBD II (On Board Diagnostics) code definitions
  g. Default gear diagnosis

Untitled document
1. Reading assignment:  20-30 pages weekly.
2. Weekly objective quizzes covering inspection, evaluation and repair of
  drive train components.
3. Homework problems: worksheets.
4. Disassemble, inspect and reassemble listed components (skill
  demonstrations and performance exam).
5. Complete lab worksheets for lab evaluation.
6. Midterm.
7. Final exam.

Methods of Evaluation/Basis of Grade.
Writing: Assessment tools that demonstrate writing skill and/or require students to select, organize and explain ideas in writing.Writing
0 - 0%
This is a degree applicable course but assessment tools based on writing are not included because problem solving assessments and skill demonstrations are more appropriate for this course.
Problem solving: Assessment tools, other than exams, that demonstrate competence in computational or non-computational problem solving skills.Problem Solving
5 - 20%
Homework problems, Lab worksheets.
Skill Demonstrations: All skill-based and physical demonstrations used for assessment purposes including skill performance exams.Skill Demonstrations
35 - 60%
Performance exams, Disassembly, inspection, reassembly.
Exams: All forms of formal testing, other than skill performance exams.Exams
35 - 60%
Multiple choice, True/false, Matching items, Completion
Other: Includes any assessment tools that do not logically fit into the above categories.Other Category
0 - 0%

Representative Textbooks and Materials:
Untitled document
Erjavec, Jack. Manual Transmissions and Transaxles, 3rd edition. Thomson
Delmar, 2002.
Hambaum, Mark.  Automatic Transmissions and Transaxles, 4th edition. Chek-
Chart Publications, 2004.

Print PDF