1991 ATRA Seminar Manual Contents

TRANSMISSION

Each section of the manual includes detailed information, diagrams, and illustrations to help you understand and repair automatic transmissions. The manual is designed to be user-friendly, even for those who are not professional mechanics.

So if you’re looking for a comprehensive guide to automatic transmission repair, the 1991 ATRA Seminar Manual is the ultimate resource you need. Order your copy today and start diagnosing and repairing automatic transmissions with confidence.

Section 1 – Hydraulics
- Principles of Hydraulics
- Liquids Resist Compression
- Pressure is Equal in all Directions
- Force Divided by Piston Area=Pressure
- Liquids Can Transmit Motion
- Force – Input/Output
- Hydraulic Leverage
- Control Flow and Pressure
- An Orifice Controls Flow and Pressure
- Check Balls Regulate Flow
- Separator Plates
- Valves
- Valves Ca n Be Positioned Manually
- Valve Positioning
- Hydraulic Pumps
- Positive Displacement Pumps
- Variable Pressure Regulator
- Variable Displacement Pumps
- Modulator/Throttle Valve
- Linkage Operated Throttle Valves
- Governor
- Gear Drive Governors
- Ball Type Governors
- Shift Valves
- Complete Hydraulic System
- Servos
- Accumulators
Section 2 – AXOD
- AXOD Component Application Chart
- Thrust Washer & Needle Bearings
- Main Line Pressure
- Air Checks
- Check balls
- TV Pressure
- AXOD Replacement Accumulator Springs (As ordered thru Ford) 1986 & 1987, All Engines and 1988-1990 3.0L Engines, 1988 3.8L Engines, 1989-1990 3.8L Engines
- Accumulator Spring Chart
- Pump Plates Codes
- Valve Body Plate Codes
- 1986 AXOD All Engines
- 1987 AXOD All Engines
- 1988 AXOD 3.0L Engine
- 1988 AXOD 3.8L Engine
- 1989 AXOD 3.0L Engine
- 1989 AXOD 3.8L Engine, With 9 Checkball Pump
- 1989-1990 AXOD 3.8L Engine With 10 Checkball
- 1990 AXOD 3.0L Engine With 9 Checkball Pump
- All Pump Plates
- Valve Body – Pump Installation
  - Step 1
  - Step 2
  - Step 3
- Pump Bearing Replacement
- Coast Down Clunk
- 2-3 Flare Up
- Servo Travel
- Shift Quality
- Late Planet Change
- Planet Failure
Section 3 – 4T60/440-T4
- 440-T4 Component Application Chart
- Checkballs
- Engine/Transmission Relations
- On-Car Modulator System Inspection
- Adjusting The Modulator
- Band Adjustment
- Clutches
- Summary
- 1-2 Slip or Chatter
- 1-2 Slide Bump
- 2-3 Slips & Flare-Ups
- TCC Shudder
- 2-1 Downshift Clunk or Wrong Gear Starts
- Reverse Problems
- Part List
Section 4 – RL4FO2A
- RL4FO2A Component Application
- Pressure Testing
- Air Checks
- Valve Body Checkballs
- No Upshifts
- Slide 1-2/2-3 Flare-Up
- Repeated High Clutch Failure
- Slips Forward
- Checking the Low Clutch Check Valve
Section 5 – 4L60/700R-4
- Component Application Chart 700-R4
- 87-89 Pressure Chart – Approximate: Varies Depending on Model
- 700-R4 Check Balls
- Pump Cover
- Forward Sprag
- Valve Body – Separator Plate
- Low Roller Clutch
- Reverse Input Clutch
- Reverse Piston Modification
- Selective Low/Reverse Clutch
Section 6 – Electronics
- Typical Automotive Computers
  - Based On GM Applications
  - Typical Computer Applications
    - ECM – Engine Control Module
    - EBCM – Electronic Brake Control Module
    - TCM – Transmission Control Module: Introduced in 1991
    - PCM – Powertrain Control Module Introduced in 1991
    - VCM – Vehicle Control Module: Introduced in 1992
  - Computer Memory
    - Random Access Memory (RAM)
    - Programmable Read – Only Memory (PROM)
    - Electronically Erasable PROM (EEPROM)
    - Memory Calibrator (MEMCAL)
- Typical ECM Inputs and Outputs
- Voltage, Current and Resistance
- Ohm’s Law Relationship
- Circuit Theory
- Series Circuit
- Parallel Circuit
- Series-Parallel Circuit
- Resistors
- Semiconductors and On-Board Computers
- Regular Silicon Diodes
Section 7 – Toyota
- A-130 & A-140 Component Application
- A-240 Series Component Application
- A-340 Series Component Application
- Diagnosing A No Shift Problem
- A140E Trouble Codes
- Quick Checking the Transaxle
- Case Identification
- Stacked Shifts Computer Controlled Versions Only
- Toyota Part Numbers
Section 8 – E4OD
- E4OD Component Application Chart
- Air Checks
- Checkballs
- Shifting the E4OD
- Pin # List
- Transmission Fluid Temperature
- Valve Body Change
- 1990 E4OD Valve Body Gasket Template
- Delay Engagement Forward and Reverse
- Will Not Hold in Park
- Harsh 3-4 Shift
- Bearing & Race Change
- Fan Clutch Application Chart
Section 9 – KM175
- KM175 Component Application
- Line Pressure Test 1986
- Line Pressure Test 1987
- Line Pressure Test 1989
- Air Checks
- Checkballs
- Stopper Plate & Plug Location
- Valve Body and Solenoid Assembly
- How To Identify the KM Transaxle
- Computer Shifted KM 175 Series Transaxle
- Damper Clutch Operation
- Throttle Position Sensor
- Pulse Generator A
- Pulse Generator B
- Bind-Up in Reverse or Drive
- Slips in 2nd & 4th
- No Movement or Slippage In All Ranges After Rebuild
- No Forward After Rebuild
- Reverse & 2-3 Bind-Up or 2nd Gear Starts
- No Reverse
- Bind-Up on 1-2

Language: English
Format: PDF
Pages: 82

1991 ATRA Seminar Manual Contents PDF free online

1991 ATRA Seminar Manual Contents

CONTENTS