Allison Transmission GN4008EN 1000 & 2000 Product Family In-Chassis Maintenance Manual – PDF DOWNLOAD

Description

Allison Transmission GN4008EN 1000 & 2000 Product Family In-Chassis Maintenance Manual – PDF DOWNLOAD

DESCRIPTION:

Allison Transmission GN4008EN 1000 & 2000 Product Family In-Chassis Maintenance Manual – PDF DOWNLOAD

GENERAL TROUBLESHOOTING INFORMATION
a. CHECK TRANS Light. The CHECK TRANS light is original equipment
manufacturer (OEM)-supplied and usually located on the vehicle’s instrument
panel.
The CHECK TRANS light is illuminated briefly during vehicle start-up as a bulb
check.

TABLE OF CONTENTS:

Allison Transmission GN4008EN 1000 & 2000 Product Family In-Chassis Maintenance Manual – PDF DOWNLOAD

SECTION I TROUBLESHOOTING
1–1 GENERAL TROUBLESHOOTING INFORMATION . . . . . . . . . . . . . . . 7
1–2 GENERAL TROUBLESHOOTING OF PERFORMANCE COMPLAINTS . 10
1–3 TRANSMISSION STALL TEST AND NEUTRAL COOL-DOWN
CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
1–4 PRESSURE SCHEDULE CHECK . . . . . . . . . . . . . . . . . . . . . . . . . 31
SECTION II FLUID LEAK DIAGNOSIS
2–1 FINDING THE LEAK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
SECTION III SHIFT SELECTOR CABLE LINKAGE
3–1 SHIFT SELECTOR AND CABLE/LINKAGE . . . . . . . . . . . . . . . . . . 35
3–2 INTERNAL MODE SWITCH (IMS) . . . . . . . . . . . . . . . . . . . . . . . . 40
SECTION IV SELECTOR SHAFT SEAL REPLACEMENT
4–1 REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
4–2 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
SECTION V PARKING BRAKE
5–1 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
5–2 REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
5–3 BURNISHING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
SECTION VI COMPONENT REPLACEMENT
6–1 OUTPUT FLANGE/YOKE REPLACEMENT . . . . . . . . . . . . . . . . . . 51
6–2 TACHOGRAPH PLUG REPLACEMENT . . . . . . . . . . . . . . . . . . . . . 51
6–3 SPEED SENSOR REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . 52
6–4 PTO COVER/GASKET REPLACEMENT . . . . . . . . . . . . . . . . . . . . 53
6–5 COOLER MANIFOLD GASKET REPLACEMENT . . . . . . . . . . . . . . 53
6–6 REAR SEAL REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
6–7 OIL PAN GASKET REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . 58
6–8 SUCTION FILTER AND SEAL REPLACEMENT . . . . . . . . . . . . . . . 61
6–9 CONTROL VALVE COMPONENT REPLACEMENT . . . . . . . . . . . . . 62
6–10 FRONT SEAL REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . 74
6–11 COOLER FLUSHING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
3
SECTION VII CUSTOMER SERVICE
7–1 OWNER ASSISTANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
7–2 SERVICE LITERATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

IMAGES PREVIEW OF THE MANUAL:

ALLISON TRANSMISSION GN4008EN 1000 & 2000 PRODUCT FAMILY IN-CHASSIS MAINTENANCE MANUAL – PDF DOWNLOAD:

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• This is the SAME MANUAL used by the dealerships to diagnose your vehicle
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S.V