MG Magnette

Manual transmission fluid capacity & service interval

MG Magnette manual transmission fluid capacity is 2,56 liters. Service intervals include checks at 1600 km and 10000 km, and changes at 800 km and 9600 km. The data covers 7 configurations.

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

TypeSpecifications
Magnette, Mk IV (1961-1969)
  • Use: Normal
  • Capacity 2,56 liter
  • Check 10000 km
  • Code: 4/1
Magnette, Mk III (1959-1961)
  • Use: Normal
  • Capacity 2,56 liter
  • Check 1600 km
  • Change 9600 km
  • Code: 4/1
Magnette, Mk III (1959-1961)
  • Use: Initial service
  • Capacity 2,56 liter
  • Change 800 km
  • Code: 4/1
Magnette, ZB (1956-1958)
  • Use: Normal
  • Capacity 2,56 liter
  • Check 1600 km
  • Change 9600 km
  • Code: 4/1
Magnette, ZB (1956-1958)
  • Use: Initial service
  • Capacity 2,56 liter
  • Change 800 km
  • Code: 4/1
Magnette, ZA (1953-1956)
  • Use: Normal
  • Capacity 2,56 liter
  • Check 1600 km
  • Change 9600 km
  • Code: 4/1
Magnette, ZA (1953-1956)
  • Use: Initial service
  • Capacity 2,56 liter
  • Change 800 km
  • Code: 4/1

Additional Notes

  • The MG Magnette manual transmission capacity holds at 2.56 liters across all variants covered, from the ZA (1953-1956) through the Mk IV (1961-1969), indicating a consistent gearbox design in terms of fluid volume throughout the model's production span.
  • The ZA, ZB (1956-1958), and Mk III (1959-1961) all share an initial service change interval of 800 km, which is a break-in drain performed shortly after a new or rebuilt transmission enters service to remove metal particles and contaminants generated during initial wear-in.
  • Following the initial service, the ZA, ZB, and Mk III each specify a normal-use change interval of 9600 km, which represents the recurring drain-and-fill cycle under standard operating conditions.
  • The ZA, ZB, and Mk III also carry a fluid level check interval of 1600 km under normal use, meaning the level was to be inspected roughly every 1600 km between full changes.
  • The Mk IV (1961-1969) specifies only a check interval of 10000 km under normal use, with no change interval listed in the specifications, distinguishing its service schedule from the earlier ZA, ZB, and Mk III variants.
  • The Mk IV check interval of 10000 km is notably longer than the 1600 km check interval shared by the ZA, ZB, and Mk III, reflecting a difference in prescribed inspection frequency between the earlier and later variants.
  • The 2.56-liter capacity figure applies equally to both the initial service and normal-use rows for each variant, confirming that the fluid volume specification does not differ between a break-in fill and a standard service fill for the MG Magnette manual transmission.

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