ALLISON Transmission HD 4060HD 4560(P)(R) Service Manual
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Allison Transmission, General Motors Corporation
P.O. Box 894 Indianapolis, Indiana 46206-0894
www.allisontransmission.com
Printed in USA Copyright © 2005 General Motors Corporation
Allison Transmission
MD/HD/B SERIES TRANSMISSIONS
Troubleshooting
Manual
1998 MAY
REV. 1 1999 OCTOBER
REV. 2 2004 JULY
REV. 3 2005 DECEMBER
TS2470EN
WTEC II Controls
(Pre-TransID and TID 1)
MD 3060/MD 3066/MD 3560(P)(R)
MD 3070PT
HD 4060/HD 4560(P)(R)
B 300/B 400/ B 500(P)(R)
WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
ii Copyright © 2005 General Motors Corp.
This manual provides troubleshooting information for Allison Transmission (AT), MD/HD/B Series
Transmissions. Service Manuals SM2148EN and SM2457EN, and Parts Catalogs PC2150EN and PC2456EN may
be used in conjunction with this manual.
This manual includes:
• Description of the WTEC II electronic control system.
• Description of the electronic control system components.
• Description of diagnostic codes, system responses to faults, and troubleshooting.
• Wire, terminal, and connector repair information.
Specific instructions for using many of the available or required service tools and equipment are not included in
this manual. The service tool manufacturer will furnish instructions for using the tools or equipment.
Additional information may be published from time to time in Service Information Letters (SIL) and will be
included in future revisions of this and other manuals. Please use these SILs to obtain up-to-date information
concerning Allison Transmission products.
This publication is revised periodically to include improvements, new models, special tools, and procedures. A
revision is indicated by a letter suffix added to the publication number. Check with your Allison Transmission
service outlet for the currently applicable publication. Additional copies of this publication may be purchased from
authorized Allison Transmission service outlets. Look in your telephone directory under the heading of
Transmissions — Truck, Tractor, etc.
Take time to review the Table of Contents and the manual. Reviewing the Table of Contents will aid you in quickly
locating information.
NOTE: Allison Transmission is providing for service of WTEC II wiring harnesses and wiring harness
components as follows: (See Service Information Letter 1-WT-97 for further information.)
• Repair parts for the internal wiring harness and for wiring harness components attached to the
shift selector will be available through the Allison Transmission Parts Distribution Center (PDC).
Use the P/N from your appropriate parts catalog or from Appendix E in this manual. Allison
Transmission is responsible for warranty on these parts.
• Since January, 1998, all WTEC II external harnesses and external harness components must be
obtained from St. Clair Technologies Inc. (SCTI). SCTI provides parts to any Allison customer or
OEM and is responsible for warranty on these parts. SCTI recognizes AT, manufacturers, and
SCTI part numbers. SCTI provides a technical HELPLINE at 519-627-1673 (Wallaceburg). SCTI
has parts catalogs available. The SCTI addresses and phone numbers for parts outlets are:
St. Clair Technologies, Inc
920 Old Glass Road
Wallaceburg, Ontario N8A 4L8
Phone: 519-627-1673
Fax: 519-627-4227
St. Clair Technologies, Inc.
Calle Damante S/N Col
Guadalupe – Guaymas
Sonora, Mexico CP85440
Phone: 011-526-2222-43834
Fax: 011-526-2222-43553
FOREWORD — How to Use This Manual
Copyright © 2005 General Motors Corp. iii
IT IS YOUR RESPONSIBILITY to be completely familiar with the warnings and cautions
used in this manual. These warnings and cautions advise against using specific service
procedures that can result in personal injury, equipment damage, or cause the equipment to
become unsafe. These warnings and cautions are not exhaustive. Allison Transmission could
not possibly know, evaluate, or advise the service trade of all conceivable procedures by which
service might be performed or of the possible hazardous consequences of each procedure.
Consequently, Allison Transmission has not undertaken any such broad evaluation.
Accordingly, ANYONE WHO USES A SERVICE PROCEDURE OR TOOL WHICH IS NOT
RECOMMENDED BY ALLISON TRANSMISSION MUST first be thoroughly satisfied
that neither personal safety nor equipment safety will be jeopardized by the service proce-
dures used.
Also, be sure to review and observe WARNINGS, CAUTIONS, and NOTES provided by the
vehicle manufacturer and/or body builder before servicing the Allison transmission in that
vehicle.
Proper service and repair is important to the safe and reliable operation of the equipment.
The service procedures recommended by Allison Transmission and described in this manual
are effective methods for performing troubleshooting operations. Some procedures require
using specially designed tools. Use special tools when and in the manner recommended.
WARNINGS, CAUTIONS, AND NOTES
Three types of headings are used in this manual to attract your attention:
NOTE: Is used when an operating procedure, practice, etc., is essential to highlight.
WARNING!
Is used when an operating procedure, practice, etc., which, if not correctly followed,
could result in injury or loss of life.
CAUTION:
Is used when an operating procedure, practice, etc., which, if not strictly observed, could
result in damage to or destruction of equipment.
WTEC III ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
The WARNINGS, CAUTIONS, and NOTES in this manual apply only to the Allison transmission
and not to other vehicle systems which may interact with the transmission. Be sure to review and
observe any vehicle system information provided by the vehicle manufacturer and/or body builder
at all times the Allison transmission is being serviced.
IMPORTANT SAFETY NOTICE
WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
iv Copyright © 2005 General Motors Corp.
The following trademarks are the property of the companies indicated:
• LPS
®
Cleaner is a registered trademark of LPS Laboratories.
• Biobor JF
®
is the registered trademark for a biological inhibitor manufactured by Hammonds Fuel Additives
Corporation.
• Loctite
®
is a registered trademark of the Loctite Corporation.
• Teflon
®
is a registered trademark of the DuPont Corporation.
• Allison DOC For PC–Service Tool is a registered trademark of General Motors Corporation.
SHIFT SELECTOR TERMS AND DISPLAY INDICATIONS
Shift selector terms and displays are represented in this manual as follows:
• Button Names — ↑↓, DISPLAY MODE, MONITOR, SELECT, etc.
• Transmission Ranges — D (Drive), N (Neutral), 1 (First), R (Reverse), etc.
• Displays — “OL”, “OK”, etc.
TRADEMARKS USED IN THIS MANUAL
Copyright © 2005 General Motors Corp. v
WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
Page
Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
SAFETY INFORMATION
Important Safety Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Warnings, Cautions, and Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Trademarks Used in This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
Shift Selector Terms and Display Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
SECTION 1. GENERAL DESCRIPTION
1–1. TRANSMISSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1
1–2. ELECTRONIC CONTROL UNIT (ECU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–3
1–3. SHIFT SELECTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–3
A. Pushbutton Shift Selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–3
B. Lever Shift Selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–4
1–4. THROTTLE POSITION SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–5
1–5. SPEED SENSORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–5
1–6. CONTROL MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–6
1–7. WIRING HARNESSES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–7
A. External Wiring Harness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–7
B. Internal Wiring Harness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–9
1–8. VEHICLE INTERFACE MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–10
1–9. TRANSID FEATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–11
A. General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1_11
B. Transmission Changes Versus TransID Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–11
C. Compatibility Between TransID Level and ECU Calibration Level . . . . . . . . . . . . . . . . . . . . . . 1–12
SECTION 2. DEFINITIONS AND ABBREVIATIONS
2–1. DO NOT SHIFT LIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
2–2. ALLISON TRANSMISSION DIAGNOSTIC TOOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
2–3. ABBREVIATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–3
SECTION 3. BASIC KNOWLEDGE
3–1. BASIC KNOWLEDGE REQUIRED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–1
3–2. USING THE TROUBLESHOOTING MANUAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–2
3–3. SYSTEM OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–2
3–4. IMPORTANT INFORMATION IN THE TROUBLESHOOTING PROCESS . . . . . . . . . . . . . . . . 3–2
3–5. BEGINNING THE TROUBLESHOOTING PROCESS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–3
WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
vi Copyright © 2005 General Motors Corp.
SECTION 4. WIRE TESTING PROCEDURES Page
4–1. TESTING FOR OPENS, SHORTS BETWEEN WIRES,
AND SHORTS-TO-GROUND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1
4–2. TESTING AT TRANSMISSION CONNECTOR AND THE INTERNAL HARNESS
FOR OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND . . . . . . . . . . . . . . . 4–2
SECTION 5. OIL LEVEL SENSOR
5–1. ELECTRONIC FLUID LEVEL TEST (SHIFT SELECTOR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–1
A. Fluid Level Test Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–1
5–2. ELECTRONIC FLUID LEVEL TEST. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–4
A. Fluid Level Test Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–4
SECTION 6. DIAGNOSTIC CODES
6–1. DIAGNOSTIC CODE MEMORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–1
6–2. CODE READING AND CODE CLEARING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–1
A. Reading Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–1
B. Clearing Active Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–2
C. Manually Clearing Codes and Active Indicators From the Code List . . . . . . . . . . . . . . . . . . . 6–2
D. Exiting the Diagnostic Display Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–3
6–3. DIAGNOSTIC CODE RESPONSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–3
6–4. SHIFT SELECTOR DISPLAYS RELATED TO ACTIVE CODES . . . . . . . . . . . . . . . . . . . . . . . 6–3
6–5. DIAGNOSTIC CODE LIST AND DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–4
6–6. DIAGNOSTIC CODE TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–17
A. Beginning the Troubleshooting Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–17
B. Solenoid Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–17
C. Diagnostic Code Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–18
D. Diagnostic Code 13 and 35 Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–18
SECTION 7. INPUT AND OUTPUT FUNCTIONS
A. INPUT FUNCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–1
B. OUTPUT FUNCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–3
SECTION 8. GENERAL TROUBLESHOOTING OF PERFORMANCE COMPLAINTS
GENERAL NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–1
TROUBLESHOOTING PERFORMANCE COMPLAINTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–2
Copyright © 2005 General Motors Corp. vii
WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
APPENDICES Page
A. IDENTIFICATION OF POTENTIAL CIRCUIT PROBLEMS . . . . . . . . . . . . . . . . . . . . . . . . . . . A–1
B. TESTING CLUTCH PRESSURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–1
C. SOLENOID AND CLUTCH CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–1
D. WIRE/CONNECTOR CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D–1
E. CONNECTOR PART NUMBERS, TERMINAL PART NUMBERS,
TOOL PART NUMBERS, AND REPAIR INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E–1
F. THROTTLE POSITION SENSOR ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F–1
G. MISCELLANEOUS ITEMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G–1
H. HYDRAULIC SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H–1
J. MD/HD/B WIRING SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J–1
K. SOLENOID AND TEMPERATURE CHARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K–1
L. EXTERNALLY-GENERATED ELECTRONIC INTERFERENCE . . . . . . . . . . . . . . . . . . . . . . . . L–1
M. DIAGNOSTIC TREE — MD/HD/B SERIES HYDRAULIC SYSTEM . . . . . . . . . . . . . . . . . . . . M–1
N. ALLISON DOC™ FOR PC–SERVICE TOOL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . N–1
P. INPUT/OUTPUT FUNCTION WIRING SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P–1
WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
viii Copyright © 2005 General Motors Corp.
NOTES
Copyright © 2005 General Motors Corp. 1–1
WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
1–1. TRANSMISSION
The World Transmission Electronic Controls WTEC II system features closed-loop clutch control to provide
superior shift quality over a wide range of operating conditions. MD 3000 (except 3070), HD 4000, and B Series
configurations can be programmed to have up to six forward ranges, neutral, and one reverse range. The MD 3070
has seven forward ranges and one reverse range. Figures 1–1 and 1–2 show electronic control unit components.
WTEC II Electronic Controls consist of the following components:
• Basic or Max Feature Electronic Control Unit (ECU)
• Pushbutton or Lever Shift Selectors (remote or integral to the ECU)
• Optional Secondary Shift Selector
• Engine, Turbine and Output Speed Sensors
• Throttle Position Sensor (TPS) (or electronic engine throttle signal or PWM signal)
• Control Module (Electro-Hydraulic Valve Body)
• Wiring Harnesses
• Vehicle Interface Module (VIM)
• Optional Retarder Controls
• TransID Feature
NOTE: Model Year ’94 and earlier MD/HD/B Series Electronic Controls operate on 12VDC. Vehicles with a
24VDC system require a voltage equalizer or converter to supply 12V to the electronic control system.
Model Year ’95 and later transmissions operating on 24VDC require a 24V VIM and a 24V wiring
harness which includes shielding for the turbine and output speed sensors.
Figure 1–1. WTEC II Electronic Control Components (Units Produced Before 9/94)
#1 DIAGNOSTIC
TOOL CONNECTOR
#2 OPTIONAL DEUTSCH
DIAGNOSTIC
TOOL
CONNECTOR
INTEGRAL ECU/
SHIFT SELECTORS
REMOTE
ECU
RETARDER
MODULATION
REQUEST (RMR)
SENSOR CONNECTOR
ELECTRONIC
CONTROL
UNIT
(ECU)
CONNECTORS
THROTTLE
POSITION
SENSOR
VEHICLE
INTERFACE
MODULE
(VIM)
MD/B 300/B 400
RETARDER CONNECTOR
(INCLUDES OUTPUT
SPEED SENSOR)
MD 3070
TRANSFER CASE
CONNECTOR
OUTPUT SPEED
SENSOR
*CONNECTOR
TRANSMISSION
CONNECTOR
ENGINE
SPEED
SENSOR
CONNECTOR
V01634.02.01
TPS
CONNECTOR
TURBINE
SPEED
SENSOR
CONNECTOR
(HD/B 500)
HD/B 500
RETARDER
TEMPERATURE
SENSOR
CONNECTOR
REMOTE SERIAL
INTERFACE
CONNECTOR
REMOTE
PUSHBUTTON SHIFT
SELECTOR
STRIP PUSHBUTTON
SHIFT SELECTOR
REMOTE
LEVER SHIFT
SELECTOR
RETARDER “K”
CONNECTOR
(HD/B 500)
HD/MD/B RETARDER
ACCUMULATOR “H”
SOLENOID
CONNECTOR
OPTIONAL
BULKHEAD
CONNECTOR
WIRING
HARNESS
NOTE: Illustration is not to scale.
*All HD/B 500 models
All Non-Retarder MD/B 300/B 400 models
1 2 D N R
D
N
R
VEHICLE
INTERFACE
WIRING
(VIW)
CONNECTOR
ALLISON DOC
™
FOR PC
ALLISON DOC
™
FOR PDA
SECTION 1—GENERAL DESCRIPTION
WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
1–2 Copyright © 2005 General Motors Corp.
GENERAL DESCRIPTION
Figure 1–2. Electronic Control Unit Components (Units Produced 9/94–12/97)
Figure 1–3 is a block diagram of the basic system’s inputs and outputs.
Figure 1–3. Electronic Control Unit Block Diagram
INTEGRAL ECU/
SHIFT SELECTORS
REMOTE
ECU
THROTTLE
POSITION
SENSOR
MD/B 300/B 400
RETARDER CONNECTOR
(INCLUDES OUTPUT
SPEED SENSOR)
MD 3070
TRANSFER CASE
CONNECTOR
OUTPUT SPEED
SENSOR
*CONNECTOR
TRANSMISSION
CONNECTOR
ENGINE
SPEED
SENSOR
CONNECTOR
V01587.02.01
TPS
CONNECTOR
TURBINE
SPEED
SENSOR
CONNECTOR
(HD/B 500)
HD/B 500
RETARDER
TEMPERATURE
SENSOR
CONNECTOR
REMOTE SERIAL
INTERFACE
CONNECTOR
RETARDER “K”
CONNECTOR
(HD/B 500)
HD/MD/B RETARDER
ACCUMULATOR “H”
SOLENOID
CONNECTOR
OPTIONAL
BULKHEAD
CONNECTOR
WIRING
HARNESS
NOTE: Illustration is not to scale.
*All HD/B 500 models
All Non-Retarder MD/B 300/B 400 models
1 2 D N R
D
N
R
ELECTRONIC
CONTROL
UNIT
(ECU)
CONNECTORS
VEHICLE
INTERFACE
MODULE
(VIM)
VEHICLE
INTERFACE
WIRING
(VIW)
CONNECTOR
RETARDER
MODULATION
REQUEST (RMR)
SENSOR CONNECTOR
REMOTE
PUSHBUTTON SHIFT
SELECTOR
STRIP PUSHBUTTON
SHIFT SELECTOR
REMOTE
LEVER SHIFT
SELECTOR
#2 OPTIONAL DEUTSCH
DIAGNOSTIC
TOOL
CONNECTOR
#1 DIAGNOSTIC
TOOL CONNECTOR
ALLISON DOC
™
ALLISON
DOC
™
FOR PC
FOR PDA
SHIFT SELECTOR
RANGE AND
MODE SWITCH
TONE/DISPLAY
VIM
INPUTS OUTPUTS
ECU
SPEED SENSORS
THROTTLE POSITION SENSOR
RETARDER MODULATION
V01812
TEMPERATURE SENSOR
(SUMP/RETARDER)
SOLENOIDS
OIL LEVEL SENSOR
C3 PRESSURE SWITCH
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Find the most comprehensive service and repair manual for the ALLISON TRANSMISSION HD 4060HD 4560(P)(R) WTEC II CONTROLS. This professional technical manual contains service, maintenance, and troubleshooting information essential for both professional mechanics and DIY enthusiasts. It is the manual used in local service repair shops and is guaranteed to be fully useful to save your precious time.
The ALLISON TRANSMISSION HD 4060HD 4560(P)(R) WTEC II CONTROLS Service Manual features easy-to-read text sections with top-quality diagrams and instructions. It is specifically written for do-it-yourself work as well as experienced mechanics. The manual covers every single detail of the machine and provides step-by-step instructions based on the complete disassembly of the machine.
This manual service is packed with all the information you need and is very simple to use. Accurate, clear, and concise text combined with illustrations make it possible for anyone with even a bit of basic mechanical knowledge to safely and easily service and repair their ALLISON TRANSMISSION HD 4060HD 4560(P)(R) WTEC II CONTROLS.
The comprehensive diagrams, in-depth illustrations, and all the manufacturer's specifications and technical information you will need are included. With our able Repair Manuals, find the page pertaining to your job, print it off, and get working on your machine. No more ruining your expensive paper shop manual with grease and dirt.
Get instant access to your manual with no waiting and no shipping fee. You will have immediate access to the material needed to get you running again. It's a convenient way to find your problem and repair it on the spot, with no downtime on the job site. Service and repair manual for ALLISON TRANSMISSION HD 4060HD 4560(P)(R) WTEC II CONTROLS.
- File Format: .PDF
- Language: English
- Specifications: Full Printable
- Zoom IN/OUT: YES
- Delivery: Instant Access
- Requirements: Adobe Reader & Win
- Compatible: All Versions of Windows & Mac
The ALLISON TRANSMISSION HD 4060HD 4560(P)(R) WTEC II CONTROLS Service Manual covers a wide range of topics including MOT Test Checks, Roadside Repairs, Routine Maintenance, Engine and Associated Systems, Cooling, Heating and Air Conditioning Systems, Fuel and Exhaust Systems, Engine Electrical Systems, Emissions Control Systems, Transmission, Manual Transmission, Automatic Transmission, Clutch and Driveshafts, Brakes, Braking System, Suspension, Suspension and Steering Systems, Body Equipment, Bodywork and Fittings, Electrical, Body Electrical Systems, Wiring Diagrams, Reference, Tools and Working Facilities, General Repair Procedures, Buying Spare Parts and Vehicle Identification Numbers, Fault Finding, and Glossary of Technical Terms.
Get your ALLISON TRANSMISSION HD 4060HD 4560(P)(R) WTEC II CONTROLS Service Manual now and have all the information you need to service and repair your machine.
