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Troubleshooting Charts For Allison Transmissions AT / MT (B) / HT / V

The troubleshooting information contained in the following charts outlines the possible causes of transmission conditions and their remedies. Several possible causes are indicated; numbered items indicate suggested remedies for the causes. For Sales and Service Call America's #1 Supplier of OEM Allison Transmission Parts and Authorized Allison Dealer; TransDiesel Transmission Call us: 1-407-295-1221

Q - CLUTCH(ES) SLIPPING - V 730 Condition Probable Causes Suggested Remedies Slipping in First and Reverse Ranges Only 1. First clutch defective. 1. Overhaul clutch and replace piston sealrings. Slipping in Third Range Only 2. Third clutch defective. 2. Overhaul clutch and replace piston sealrings. Slipping in Second Range Only 3. Second clutch defective. 3. Overhaul clutch and replace piston sealrings. Slipping in Third and Reverse Ranges Only 4. Third clutch defective. 4. Overhaul clutch and replace piston sealrings. 5. Seals leaking. 5. Overhaul first and/or third clutch; also check front and center support seals.