Allison Transmission 2500 MH User Manual

Allison Transmission, General Motors Corporation
P.O. Box 894 Indianapolis, Indiana 46206-0894
www.allisontransmission.com
Printed in USA
Copyright © 2004 General Motors Corporation
Allison Transmission
VOCATIONAL MODELS
Service
Manual
2004 DECEMBER
SM3191EN
1000 EVS 2100 EVS 2200 EVS 2500 EVS B 210
1000 HS 2100 HS 2200 HS 2500 HS B 220
1000 MH 2100 MH 2200 MH 2500 MH
1000 PTS 2100 PTS 2200 PTS 2500 PTS
1000 RDS 2100 RDS 2200 RDS 2500 RDS
1000 SP 2100 SP 2200 SP 2500 SP

Allison Transmission 2500 MH Specifications

General

Brand	Allison Transmission
Model	2500 MH
Category	Microphone system
Language	English

Summary

SECTION 3. GENERAL OVERHAUL INFORMATION

3-6. ASSEMBLY PROCEDURES

Details steps and materials for assembling transmission components, including lubrication and sealants.

3-7. REMOVING (OR INSTALLING) TRANSMISSION

Provides step-by-step instructions for removing and installing the transmission.

3-10. TORQUE SPECIFICATIONS

Provides critical torque values required for fasteners during assembly.

SECTION 4. TRANSMISSION DISASSEMBLY

4-7. TORQUE CONVERTER REMOVAL

Detailed steps for safely removing the torque converter.

4-8. CONVERTER HOUSING/FRONT SUPPORT MODULE REMOVAL

Procedure for removing the converter housing and front support module.

4-9. ROTATING CLUTCH ASSEMBLY REMOVAL

Steps for removing the rotating clutch assembly.

4-10. OIL PAN AND SUCTION FILTER REMOVAL

Instructions for removing the oil pan and suction filter.

4-12. CONTROL VALVE ASSEMBLY REMOVAL

Steps for removing the control valve assembly.

4-14. REAR COMPONENTS REMOVAL

General steps for removing rear-mounted transmission components.

4-16. P2 PLANETARY MODULE AND MAIN SHAFT REMOVAL

Steps for removing the P2 planetary module and main shaft.

4-17. C5 CLUTCH REMOVAL

Procedure for removing the C5 clutch assembly.

4-18. P1 PLANETARY MODULE

Instructions for handling or removing the P1 planetary module.

4-19. C4 CLUTCH REMOVAL

Procedure for removing the C4 clutch assembly.

4-20. C4 CLUTCH PISTON ASSEMBLY REMOVAL

Steps for removing the C4 clutch piston assembly.

4-21. C3 CLUTCH REMOVAL

Procedure for removing the C3 clutch assembly.

4-22. C3 CLUTCH PISTON ASSEMBLY REMOVAL

Steps for removing the C3 clutch piston assembly.

SECTION 6. TRANSMISSION ASSEMBLY

6-1. C3 CLUTCH INSTALLATION

6-2. P1 PLANETARY MODULE AND C4 CLUTCH INSTALLATION

6-3. C5 CLUTCH REACTION PLATE SELECTION

6-4. P2 PLANETARY MODULE AND MAIN SHAFT INSTALLATION

6-5. C5 CLUTCH INSTALLATION

6-7. OUTPUT SHAFT AND P3 PLANETARY CARRIER ASSEMBLY INSTALLATION

6-8. REAR COVER ASSEMBLY INSTALLATION

6-9. CONTROL VALVE ASSEMBLY INSTALLATION

Steps for installing the control valve assembly.

6-12. ROTATING CLUTCH ASSEMBLY INSTALLATION

6-13. CONVERTER HOUSING/FRONT SUPPORT MODULE INSTALLATION

6-17. TORQUE CONVERTER INSTALLATION

Steps for installing the torque converter.