Simca 900 / 1000

Coolant capacity & service interval

Simca 900 / 1000 uses coolant with a capacity range of 5,5 to 10,5 liters. Service intervals occur every 5000 km or 12 months. The data covers 6 configurations.

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

TypeSpecifications
1000 Rally 2 (1973-1977)
  • Use: Normal
  • Capacity 10,5 liter
  • Check 5000 km/ 12 months
1000 Rally 1 (1970-1977)
  • Use: Normal
  • Capacity 6,4 liter
  • Check 5000 km/ 12 months
1000 Automatic (1965-1968)
  • Use: Normal
  • Capacity 6 liter
1000 (1963-1968)
  • Use: Normal
  • Capacity 5,5 liter
900 (1963-1968)
  • Use: Normal
  • Capacity 5,5 liter
1000 (1961-1963)
  • Use: Normal
  • Capacity 5,5 liter

Additional Notes

  • The Simca 1000 in its early forms, covering the 1961-1968 period across both the pre-1963 and post-1963 variants, shares an identical cooling system capacity of 5.5 liters, as does the 900 produced during 1963-1968.
  • The 1000 Automatic (1965-1968) carries a cooling system capacity of 6 liters, a modest increase over the standard 5.5-liter figure seen in non-automatic variants of the same era. The addition of an automatic transmission typically introduces supplementary heat management demands, which can account for a larger coolant volume.
  • The 1000 Rally 1 (1970-1977) raises the cooling system capacity to 6.4 liters and introduces a defined service check interval of every 5,000 km or 12 months, whichever comes first. The dual-condition interval structure means the calendar threshold applies even when mileage accumulation is low.
  • The 1000 Rally 2 (1973-1977) carries a notably higher cooling system capacity of 10.5 liters, the largest figure across all listed configurations. A capacity of this magnitude reflects a substantially more demanding thermal load, consistent with a higher-performance engine variant requiring greater heat dissipation.
  • The 1000 Rally 2 shares the same 5,000 km or 12-month check interval as the Rally 1, despite the significant difference in coolant volume between the two. The Rally 2 capacity of 10.5 liters is nearly 64 percent greater than the Rally 1 figure of 6.4 liters.
  • Across the 1961-1968 standard variants, no service check intervals are listed in the specifications, whereas both Rally variants from 1970 onward carry explicit interval data. The 5,000 km or 12-month schedule applies specifically to those performance-oriented configurations.

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