Buick Cascada (USA / CAN)

Automatic transmission fluid capacity & service interval

Buick Cascada (USA / CAN) automatic transmission fluid capacity ranges from 4 to 8,5 liters. Service intervals occur every 45000 miles. Data covers 1 configuration.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
Cascada 1.6 Turbo (2017-2020)
  • Use: Severe
  • Capacity 8-8,5 liter (Overhaul capacity)
  • Capacity 4-6 liter (Service fill)
  • Change 45000 miles
  • Code: Hydra-Matic 6T45 6/1

Additional Notes

  • The Buick Cascada 1.6 Turbo carries an overhaul capacity of 8 to 8.5 liters for its automatic transaxle, a figure that reflects the total fluid volume required when the unit is fully disassembled and refilled from dry.
  • The service fill capacity for the 1.6 Turbo automatic transaxle falls between 4 and 6 liters, which is the amount needed during a routine drain-and-fill where residual fluid remains in the torque converter and passages.
  • The gap between the 4-to-6-liter service fill and the 8-to-8.5-liter overhaul capacity indicates that a standard service exchange replaces roughly half to three-quarters of the total fluid volume held within the transaxle assembly.
  • The 45,000-mile change interval for the 2017-2020 Cascada 1.6 Turbo automatic transaxle is designated under severe use conditions, meaning the interval applies specifically to vehicles operated under demanding driving circumstances rather than relaxed everyday use.

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