While the exact type can vary based on the transmission model, looking for a fluid that meets or exceeds Dexron VI is the standard approach. The original equipment manufacturer (OEM) specifications for your particular model year and transmission variant are the absolute authority on this matter.
Manual vs Synthetic Allison Transmission Fluid: Which Is Better?
Failing to account for the converter can leave a large portion of the old, degraded fluid contaminating the new supply. Signs of Fluid-Related Issues Monitoring the condition of your transmission fluid is one of the best ways to diagnose potential problems before they become catastrophic.
Always consult your vehicle's service manual for the recommended change intervals, as they can vary significantly depending on how the vehicle is used. A complete fluid change should include a transmission flush or a procedure that drains the converter, or performing multiple drain-and-fill cycles to ensure the majority of the old fluid is replaced.
Manual vs Synthetic Allison Transmission Fluid: Which is Best?
Slipping, harsh shifting, or unusual noises are often the transmission’s way of telling you that the fluid is no longer doing its job effectively. The Critical Role of Fluid Selection The fluid inside an Allison transmission performs several vital functions beyond simple lubrication.
More About Oil for allison transmission
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