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 economy
c. Characteristics of low ratios - effect on vehicle performance andeconomy
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
