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GM / Chevrolet 6L50, 6L80, 8L90 - automatic transmission

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6L50 (6-speed) in many GM models, 6L80/6L90 in larger vehicles, 8L90 (8-speed) in performance models. Oil: Dexron VI or manufacturer's specification. Filling quantities large (8–12+ litres for complete filling).

Machine translation — may contain errors.

Edited: 27.09.2026 06:29

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Oil change and filter (where fitted) according to maintenance schedule. GM gearboxes are sensitive to incorrect or worn oil.

Machine translation — may contain errors.

Edited: 27.09.2026 06:29

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