SECTION 07: TRANSMISSION
PA1593
1
CONTENTS
1. DESCRIPTION ...................................................................................................................................... 2
2. WELDING PROCEDURES ................................................................................................................... 2
3. MAINTENANCE .................................................................................................................................... 3
3.1 MANUAL FLUID LEVEL CHECK ............................................................................................................ 3
3.1.1 Cold Check .............................................................................................................................. 3
3.1.2 Hot Check ................................................................................................................................ 4
3.2 FLUID LEVEL CHECK USING THE PUSHBUTTON SHIFT SELECTOR ......................................................... 4
3.3 IMPORTANCE OF PROPER FLUID LEVEL .............................................................................................. 5
3.4 KEEPING OIL CLEAN .......................................................................................................................... 5
3.5 RECOMMENDED AUTOMATIC TRANSMISSION FLUID ............................................................................. 5
3.6 OIL CONTAMINATION ......................................................................................................................... 6
3.7 METAL PARTICLES ............................................................................................................................ 6
3.8 COOLANT LEAKAGE ........................................................................................................................... 6
3.9 CONTROL SYSTEM PROGNOSTICS ..................................................................................................... 6
3.10 OIL AND FILTER CHANGE INTERVAL ................................................................................................. 10
4. ALLISON TRANSMISSION REMOVAL ............................................................................................. 11
5. TRANSMISSION OIL COOLER REMOVAL ....................................................................................... 12
6. CLEANING AND INSPECTION OF ALLISON AUTOMATIC TRANSMISSION ................................ 13
6.1 BREATHER ...................................................................................................................................... 13
7. ALLISON TRANSMISSION INSTALLATION ..................................................................................... 13
8. ALLISON AUTOMATIC TRANSMISSION TROUBLESHOOTING .................................................... 14
8.1 4
TH
GENERATION TRANSMISSION CONTROL MODULE ......................................................................... 14
8.2 DIAGNOSTIC TROUBLESHOOTING CODES (DTC) — ALLISON 4TH GENERATION CONTROLS ................ 15
8.3 DIAGNOSTIC CODES – ALLISON 4
TH
GENERATION CONTROLS ............................................................ 15
8.4 DIAGNOSTIC CODE DISPLAY AND CLEARING PROCEDURE – ALLISON 4
TH
GENERATION CONTROLS ..... 15
8.5 DIAGNOSTIC CODE RESPONSE ........................................................................................................ 16
8.6 DIAGNOSTIC TROUBLESHOOTING CODES (DTC) LIST - ALLISON 4
TH
GENERATION CONTROLS ............. 18
9. SPECIFICATIONS ............................................................................................................................... 21
ILLUSTRATIONS
FIGURE 1: ALLISON TRANSMISSION ................................................................................................................... 2
FIGURE 2: ALLISON TRANSMISSION CONTROL PAD .............................................................................................. 2
FIGURE 3: OIL LEVEL DIPSTICK (AUTO. TRANS.) ................................................................................................. 3
FIGURE 4: COLD CHECK ................................................................................................................................... 3
FIGURE 5: HOT CHECK ..................................................................................................................................... 4
FIGURE 6: DRAIN PLUG AND FILTERS ............................................................................................................... 11
FIGURE 7: VOLVO ENGINE CRANKING POSITION ................................................................................................ 12
FIGURE 8: ALLISON OIL COOLER ...................................................................................................................... 12
FIGURE 9: AIR PRESSURE REGULATOR (TYPICAL) ............................................................................................. 14
FIGURE 10: TRANSMISSION CONTROL MODULE ................................................................................................ 14
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