PREVOST X3-45 COMMUTER User Manual

SECTION 07: TRANSMISSION
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual First release Oct 2020
1
CONTENTS
SECTION CHANGE LOG ........................................................................................................................................... 2
1. TORQUE TABLES ............................................................................................................................................. 3
1.1 ALLISON TRANSMISSION ................................................................................................................................ 3
2. DESCRIPTION .................................................................................................................................................. 4
2.1 ALLISON AUTOMATIC TRANSMISSION ........................................................................................................... 4
2.1.1 Retarder ................................................................................................................................................. 4
3. ALLISON TRANSMISSION MAINTENANCE ....................................................................................................... 4
3.1 MANUAL FLUID LEVEL CHECK ......................................................................................................................... 4
3.1.1 Cold Check .............................................................................................................................................. 5
3.1.2 Hot Check ............................................................................................................................................... 6
3.2 FLUID LEVEL CHECK USING THE PUSHBUTTON SHIFT SELECTOR .................................................................... 6
3.3 RECOMMENDED AUTOMATIC TRANSMISSION FLUID .................................................................................... 7
3.3.1 Importance of Proper Fluid Level ........................................................................................................... 8
3.3.2 Keeping Fluid Clean ................................................................................................................................ 8
3.3.3 Fluid Contamination............................................................................................................................... 8
3.3.4 Metal Particles ....................................................................................................................................... 8
3.3.5 Coolant Leakage .................................................................................................................................... 8
3.4 FLUID AND FILTER CHANGE INTERVAL ........................................................................................................... 9
3.4.1 Fluid and Filter Change Information ...................................................................................................... 9
3.5 FLUID AND FILTER CHANGE PROCEDURE ..................................................................................................... 10
3.5.1 Drain .................................................................................................................................................... 10
3.5.2 Refill transmission ................................................................................................................................ 10
3.6 CLEANING AND INSPECTION OF ALLISON AUTOMATIC TRANSMISSION ...................................................... 11
3.6.1 Breather ............................................................................................................................................... 11
4. ALLISON TRANSMISSION FLUID COOLER REMOVAL ...................................................................................... 11
4.1 TRANSMISSION WITH RETARDER ................................................................................................................. 11
5. ALLISON TRANSMISSION REMOVAL ............................................................................................................. 11
6. ALLISON TRANSMISSION INSTALLATION ...................................................................................................... 13
7. ALLISON TRANSMISSION TROUBLESHOOTING .............................................................................................. 15
7.1 DIAGNOSTIC TROUBLESHOOTING CODES (DTC) — ALLISON 5TH GENERATION CONTROLS ......................... 15
7.1.1 Using Shift Selector for Accessing Diagnostics Information ................................................................. 15
7.1.2 Display Sequence ................................................................................................................................. 15
7.1.3 Diagnostic Code Display and Clearing Procedure ................................................................................ 16
7.1.4 Exiting Diagnostic Mode ...................................................................................................................... 16
7.1.5 Diagnostic Trouble Code Response ...................................................................................................... 16
7.2 DIAGNOSTIC TROUBLESHOOTING CODES (DTC) LIST - ALLISON 5
TH
GENERATION CONTROLS .......................... 17
8. SPECIFICATIONS ........................................................................................................................................... 22

PREVOST X3-45 COMMUTER Specifications

General

Engine	Volvo D13
Transmission	Allison B500
Fuel Type	Diesel
Length	45 ft (13.7 m)
Width	102 in (2.6 m)
Horsepower	500 hp
GVWR	54, 000 lbs
Height	141 in