Opel Monterey A, M92
Coolant capacity & service interval
The Opel Monterey A, M92 uses coolant with a capacity ranging from 8.5 to 8.8 liters depending on the transmission type. Two configurations are covered in the data. The coolant is specified for normal use.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
| Type | Specifications |
|---|---|
| Monterey A 3.1 TD (1991-1998) |
|
| Monterey A 3.2 V6 (1991-1998) |
|
Additional Notes
- The Opel Monterey A 3.1 TD carries a cooling system capacity of 8.6 liters under normal use conditions.
- The 3.2 V6 variant shows a capacity split depending on transmission type, with 8.8 liters specified for automatic transmission fitment and 8.5 liters for manual transmission fitment.
- The 0.3-liter difference between the automatic and manual transmission configurations of the 3.2 V6 reflects the additional coolant volume associated with automatic transmission cooling circuits, which are often integrated into the engine cooling system.
- Comparing the two engine variants, the 3.1 TD at 8.6 liters falls between the manual and automatic figures of the 3.2 V6, indicating that cooling system volume is influenced by both engine displacement and drivetrain configuration.
- All three capacity figures across both engine variants are recorded under normal use conditions, meaning no separate severe-use interval or capacity adjustment is listed for the cooling system.
- Both the 3.1 TD and the 3.2 V6 share the same 1991-1998 model year span, so the capacity specifications apply consistently across the full production range covered.