Audi 100, 43 (EU)

Differential fluid capacity & service interval

Audi 100, 43 (EU) differential fluid capacity is 1 liter. Service intervals include checks at 15000 km and changes at 30000 km or 45000 km. The data covers 5 configurations.

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

TypeSpecifications
  • 100 5E (1977-1979)
  • From automatic
  • Use: Normal
  • Capacity 1 liter
  • 100 1.6 (1976-1979)
  • From automatic
  • Use: Normal
  • Capacity 1 liter
  • Check 15000 km
  • Change 45000 km
  • 100 1.6 (1976-1979)
  • From automatic
  • Use: Severe
  • Capacity 1 liter
  • Check 15000 km
  • Change 30000 km
  • 100 2.0 (1976-1979)
  • From automatic
  • Use: Normal
  • Capacity 1 liter
  • Check 15000 km
  • Change 45000 km
  • 100 2.0 (1976-1979)
  • From automatic
  • Use: Severe
  • Capacity 1 liter
  • Check 15000 km
  • Change 30000 km

Additional Notes

  • The Audi 100, 43 (EU) differential fluid capacity is 1 liter across all listed configurations, covering the 1.6, 2.0, and 5E engine variants. A 1-liter figure in a differential context represents a service fill volume, meaning the amount required when refilling or replacing fluid in normal maintenance rather than a full overhaul rebuild.
  • The 100 1.6 and 100 2.0 both share identical interval structures for their differentials sourced from automatic transmissions. Under normal use conditions, a fluid change is specified at 45000 km, while a check interval is set at 15000 km.
  • When operating conditions are classified as severe, the change interval for the 100 1.6 and 100 2.0 differentials shortens to 30000 km. The check interval of 15000 km remains the same regardless of whether normal or severe use conditions apply.
  • The difference between the normal and severe change intervals for the 1.6 and 2.0 variants amounts to 15000 km, with severe use requiring fluid replacement one full cycle earlier than normal use.
  • The 100 5E, covering model years 1977-1979, carries only a capacity specification of 1 liter for the differential sourced from an automatic transmission. No check or change interval figures are listed for the 5E in the available specifications.
  • The 100 1.6 and 100 2.0 share the same capacity, check interval, and change interval values under both normal and severe conditions, indicating no differentiation in differential service requirements between the two engine displacements for the 1976-1979 period.

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