Bedford Astramax

Coolant capacity & service interval

Bedford Astramax coolant capacity ranges from 6,2 to 7,6 liters. Service intervals require a change every 24 months. The data covers 6 configurations.

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

TypeSpecifications
Astramax 1.4i (1991-1993)
  • Use: Normal
  • Capacity 6,2 liter
  • Change 24 months
Astramax 1.6i (1991-1993)
  • Use: Normal
  • Capacity 6,4 liter
  • Change 24 months
Astramax 1.7 D (1989-1993)
  • Use: Normal
  • Capacity 6,5 liter
  • Change 24 months
Astramax 1.3 (1986-1989)
  • Use: Normal
  • Capacity 7 liter
  • Change 24 months
Astramax 1.6 (1986-1990)
  • Use: Normal
  • Capacity 6,2-6,4 liter
  • Change 24 months
Astramax 1.6 D (1986-1989)
  • Use: Normal
  • Capacity 7,6 liter
  • Change 24 months

Additional Notes

  • The Bedford Astramax cooling system capacities range from 6.2 liters to 7.6 liters depending on the engine variant, reflecting differences in block size, cylinder count, and whether the engine is petrol or diesel.
  • The 1.6 D diesel variant (1986-1989) carries the largest cooling system capacity across all listed configurations at 7.6 liters. Diesel engines typically generate more heat under load and often require greater coolant volume to maintain stable operating temperatures.
  • The 1.3 petrol variant (1986-1989) holds 7 liters, which is notably higher than the 1.4i and 1.6i petrol variants at 6.2 liters and 6.4 liters respectively, suggesting differences in cooling circuit design rather than a direct relationship between engine displacement and coolant volume.
  • The 1.6 petrol variant (1986-1990) is the only configuration listed with a capacity range rather than a fixed value, spanning 6.2 to 6.4 liters. A range of this kind typically reflects minor variation between production runs or sub-variants within the same engine family.
  • The 1.4i (1991-1993) and the 1.6i (1991-1993) share a close capacity relationship at 6.2 liters and 6.4 liters respectively, a difference of only 0.2 liters, which is consistent with shared platform architecture between the two fuel-injected petrol variants.
  • All six configurations share a uniform 24-month coolant change interval under normal use conditions. A 24-month interval is associated with conventional ethylene glycol coolant formulations, which degrade in corrosion inhibitor effectiveness over time regardless of mileage.
  • The 1.7 D diesel variant (1989-1993) has a cooling system capacity of 6.5 liters, which falls between the smaller petrol variants and the larger 1.6 D, consistent with the 1.7 D being a later-generation diesel with a more refined cooling circuit.

Other Systems