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ALLISON 2100MH
Workhorse ALLISON 2100MH User Manual
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2007 W Series
SECTION
7.2
PA
G
E
1
2007 W Series Chassis
Automatic T
ransmission –
Allison
© 2006 Workhorse Custom Chassis —
All Rights Reserved
WORKHORSE CUSTOM CHASSIS
Service Manual
WSM082106
2007
AUT
OMA
TIC TRANSMISSION
ALLISON 1000MH/2100MH/LCT1000
REMOTE
SHIFTER
PRN
D
321
9999.9mi
T1
gear
1
4
TRANSMISSION
GEAR A
TT
AINED
MA
XIMUM/
SE
LECTED
GEAR
SELECTED RANGE
HIGHLIGHTED
O
VERDRIVE (O/D) SWITCH "OFF"
(DEPRESSED A
T THE TOP)
2
Table of Contents
Table of Contents
2
Specifications
6
Fastener Tightening Specifications
6
Fluid Capacity Specifications
7
Transmission General Specifications
7
Transmission Fluid Temperature (Tft) Sensor Temperature Vs. Resistance Specifications
8
Temperature Versus Resistance (Speed Sensor)
9
Temperature Versus Resistance (Solenoid)
10
Pressure Switch Manifold (PSM) Logic
10
Transmission Internal Mode Switch Logic
11
Solenoid and Clutch Chart (Normal Mode)
11
Solenoid and Clutch Chart (Tow/Haul)
13
Shift Speed (1-2 and 2-3 Shifts)
14
Shift Speed (3-4, 4-5, 5-6 and CT Downshifts)
14
Line Pressure
16
Special Tools
16
Component Locator
22
Automatic Transmission Inline Harness Connector End View
23
Engine Harness to Transmission
26
Torque Converter Clutch/Converter Housing Assembly Disassembled View
26
Components Disassembled View
27
Torque Converter Housing/Oil Pump Cover Assembly
27
Oil Pump Assembly Disassembled View
28
Oil Pump Cover Assembly Disassembled View
28
Oil Pump Cover/Oil Pump Assembly and Associated Parts Disassembled View
29
1-2-3-4, 4-5-6 Clutch Assembly Disassembled
29
View
29
Torque Converter Housing/Automatic Transmission Case and Associated Components Disassembled View
30
Automatic Transmission Case Disassembled View
31
Clutch/Low and Reverse Clutch Disassembled View
32
Input Carrier, Intermediate Carrier, and Main Shaft Disassembled View
33
Input Carier and Ring Gear Assembly Disassembled View
33
Output Carrier Disassembled View
34
Input Carrier Assembly Disassembled View
34
Intermediate Carrier Assembly Disassembled View
35
Output Carrier Assembly, Output Shaft, Low and Reverse Clutch Retrurn Spring Assembly and Park Pawl Disassembled View
35
Low and Reverse Clutch Piston Housing Disassembled View
36
Output Carrier Assembly Disassembled View
36
Low and Reverse Clutch Housing Assembly Disassembled View
37
Control Valve Body Assembly Disassembled View
38
Shift Valve Body Assembly
39
Main Valve Body Assembly Disassembled View
40
Bearing and Bushing Locations
41
Seal Locations
41
Automatic Transmission Internal Connector End Views
42
Introduction
50
Objectives of this Section
50
Description and Operation
50
Definitions and Abbreviations
50
Transmission Abbreviations
52
Transmission Identification Information
53
Transmission General Description
54
Transmission Component and System Description
55
Transmission Indicators and Messages
58
Electronic Component Description
59
Electronic Controlled Shifter (ECS) System
92
Diagnostic Information and Procedures
95
Diagnostic Starting Point - Automatic Transmission
95
Scan Tool Data List
95
Scan Tool Data Definitions
99
Diagnostic Trouble Code (Dtc) Type Definitions
103
Diagnostic Trouble Code (DTC) List/Type
104
Dtc P0218
106
Dtc P0561
110
Dtc P0562
114
Dtc P0563
117
Dtc P0602
120
Dtc P0613
123
Dtc P0634
126
Dtc P0658
129
Dtc P0659
133
Dtc P0700
137
Dtc P0701
139
Dtc P0703
142
Dtc P0706
146
Dtc P0708
150
Dtc P0711
155
Dtc P0712
160
Dtc P0713
164
Dtc P0716
169
Dtc P0717
173
Dtc P0721
177
Dtc P0722
181
Dtc P0726
185
Dtc P0727
189
Dtc P0729
193
Dtc P0731
196
Dtc P0732
200
Dtc P0733
203
Dtc P0734
206
Dtc P0735
209
Dtc P0736
212
Dtc P0741
216
Dtc P0742
219
Dtc P0751
222
Dtc P0752
227
Dtc P0756
232
Dtc P0757
237
Dtc P0761
242
Dtc P0762
247
Dtc P0776
252
Dtc P0777
256
Dtc P0826
260
Dtc P0827
264
Dtc P0828
268
Dtc P0842
272
Dtc P0843
277
Dtc P0847
282
Dtc P0848
287
DTC P0851 or 0852
292
Dtc P0872
294
Dtc P0873
299
Dtc P0873
304
Dtc P0877
309
Dtc P0878
314
Dtc P0880
318
Dtc P0881
322
Dtc P0882
326
Dtc P0883
329
Dtc P0960
331
Dtc P0962
336
Dtc P0963
340
Dtc P0964
343
Dtc P0966
347
Dtc P0967
351
Dtc P0972
355
Dtc P0973
359
Dtc P0974
363
Dtc P0975
367
Dtc P0976
371
Dtc P0977
375
Dtc P0978
379
Dtc P0979
383
Dtc P0980
387
Dtc P1688
391
Dtc P1779
394
Dtc P2670
398
Dtc P2671
401
Dtc P2723
405
Dtc P2724
409
Dtc P2727
413
Dtc P2729
417
Dtc P2730
420
Dtc P2761
424
Dtc P2763
428
Dtc P2764
432
Dtc P2771
436
Symptoms - Automatic Transmission
440
Functional Test
443
Transmission Fluid Checking
445
Line Pressure Check
447
Obtaining Diagnostic Trouble Codes
448
Clutch Test
449
Fastlearn Procedure
450
Limp Home Mode
452
Road Test
454
Torque Converter Diagnosis
459
Flexplate/Torque Converter Vibration Test (8.1L)
463
Noise and Vibration Analysis
465
Fluid Leak Diagnosis
465
Case Porosity Repair
467
Automatic Transmission Oil Cooler Flushing and Flow Test
467
Excessive Slippage and Clutch Chatter
473
Fluid Leaks from Fluid Fill Tube And/Or Vent
474
Fluid Leaks from Transmission Input
474
Fluid Leaks from Transmission Output
475
Intermittent Buzzing Noise
475
Low Main Line Pressure in All Ranges
476
Low Main Line Pressure in Specific Ranges
476
Normal Pressure in Other Ranges
476
Low Lubrication Pressure
477
Contaminated Transmission Fluid
477
Excessive Flare - Engine Overspeed on
478
Wide-Open Throttle
478
High Stall Speeds (Stall in Ranges 1-6)
478
Low Stall Speeds (Stall in Ranges 1-6)
479
Transmission will Not Make a Specific Shift
479
Transmission will Not Stay in Forward or
479
Reverse
479
Transmission will Not Shift to Forward or
480
Reverse
480
Transmission Overheats
481
Transmission Does Not Shift Properly
482
Abnormal Activities or Responses
482
Repair Instructions
483
Transmission Control Module Replacement
483
Transmission Fluid Filter Adapter Replacement
484
Transmission Fluid Cooler Hose/Pipe Connector Replacement
486
Transmission Fluid Cooler Hose/Pipe
486
Replacement
487
Filler Tube and Seal Replacement
488
Replacement
490
Transmission Heat Shield Replacement
501
Transmission Mount Replacement
502
Transmission Replacement (L18) Engine)
504
Emergency Removal from Park
522
Electronic Shift Controller (ECS) Actuator Initial
522
Installation
522
5
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Workhorse ALLISON 2100MH Specifications
General
Brand
Workhorse
Model
ALLISON 2100MH
Category
Microphone system
Language
English
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