Vauxhall Astramax
Coolant capacity & service interval
Vauxhall Astramax coolant capacity ranges from 6,2 to 7,6 liters. The service interval for coolant is 24 months. The data covers 6 configurations.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
| Type | Specifications |
|---|---|
| Astramax 1.6i (1991-1993) |
|
| Astramax 1.7 D (1989-1993) |
|
| Astramax 1.3 (1986-1989) |
|
| Astramax 1.4i (1986-1989) |
|
| Astramax 1.6 (1986-1990) |
|
| Astramax 1.6 D (1986-1990) |
|
Additional Notes
- Across all Vauxhall Astramax variants from 1986-1993, the coolant change interval is uniformly set at 24 months under normal use conditions, regardless of engine type or displacement.
- The Astramax 1.3 carries the largest cooling system capacity among the petrol engines at 7.0 liters, a notably higher figure than the 1.4i and 1.6 petrol variants, which hold 6.2 and 6.4 liters respectively.
- The Astramax 1.6 D diesel engine requires 7.6 liters of coolant, the highest capacity of any variant in the range. Diesel engines commonly demand larger cooling system volumes due to the greater thermal loads generated by compression ignition combustion.
- The 1.6 petrol and 1.6i share an identical cooling system capacity of 6.4 liters despite covering different model year spans, with the 1.6 running from 1986-1990 and the 1.6i from 1991-1993.
- The Astramax 1.7 D, covering 1989-1993, holds 6.5 liters of coolant. Compared to the earlier 1.6 D at 7.6 liters, the 1.7 D diesel has a notably smaller cooling system capacity despite the larger displacement.
- The 1.4i petrol engine has the smallest cooling system capacity in the range at 6.2 liters, which is consistent with smaller-displacement petrol engines producing lower heat rejection demands on the cooling circuit.