Peugeot 604

Manual transmission fluid capacity & service interval

Peugeot 604 manual transmission fluid capacity ranges from 1,35 to 1,8 liters. Service intervals include checking at 5000 km and 7500 km, and changing at 30000 km. The data covers 4 configurations.

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

TypeSpecifications
604 D turbo (1978-1985)
  • Use: Normal
  • Capacity 1,35 liter
  • Check 5000 km
  • Change 30000 km
  • Code: 4/1
604 D turbo (1978-1985)
  • Use: Normal
  • Capacity 1,8 liter
  • Check 5000 km
  • Change 30000 km
  • Code: 5/1
604 Ti (1977-1985)
  • Use: Normal
  • Capacity 1,8 liter
  • Check 7500 km
  • Change 30000 km
  • Code: 5/1
604 SL (1975-1985)
  • Use: Normal
  • Capacity 1,35 liter
  • Check 7500 km
  • Change 30000 km
  • Code: 4/1

Additional Notes

  • The Peugeot 604 D Turbo lists two distinct manual transmission fluid capacities — 1.35 liters and 1.8 liters — both applying to the same 1978-1985 model years under normal use conditions, which indicates the presence of two different gearbox units fitted to the same variant.
  • The 1.35-liter capacity figure represents a service fill volume typical of a smaller or more compact gearbox assembly, while the 1.8-liter figure reflects a larger unit requiring a greater fluid volume to reach the correct operating level.
  • The 604 SL (1975-1985) carries a 1.35-liter manual transmission fluid capacity, pairing with a 7,500 km check interval under normal use conditions.
  • The 604 Ti (1977-1985) specifies a 1.8-liter manual transmission fluid capacity, also with a 7,500 km check interval and a 30,000 km change interval under normal use conditions.
  • The 604 D Turbo's check interval is set at 5,000 km, which is shorter than the 7,500 km check interval shared by the 604 SL and 604 Ti, reflecting a more frequent monitoring schedule for the diesel turbocharged variant's gearbox.
  • All four rows share an identical 30,000 km fluid change interval regardless of the variant, capacity figure, or check interval frequency, placing the drain-and-refill cycle on a consistent long-term schedule across the 604 range.
  • The 604 SL's production span beginning in 1975 makes it the earliest-introduced variant in the specifications, predating both the 604 Ti (from 1977) and the 604 D Turbo (from 1978).

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