Opel Monterey A, M92

Manual transmission fluid capacity & service interval

Opel Monterey A, M92 manual transmission fluid capacity is 2,95 liters. Service intervals include checks every 15000 km or 12 months and changes every 45000 km or 36 months. The data covers 2 configurations.

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

TypeSpecifications
Monterey A 3.1 TD (1991-1998)
  • Use: Normal
  • Capacity 2,95 liter
  • Check 15000 km/ 12 months
  • Change 45000 km/ 36 months
  • Code: MUA5CT 5/1
Monterey A 3.2 V6 (1991-1998)
  • Use: Normal
  • Capacity 2,95 liter
  • Check 15000 km/ 12 months
  • Change 45000 km/ 36 months
  • Code: MUA5CT 5/1

Additional Notes

  • Both the 3.1 TD and 3.2 V6 variants of the Opel Monterey A share an identical manual transmission fluid capacity of 2.95 liters, indicating a common gearbox unit across these two engine configurations.
  • A 2.95-liter capacity is a moderate fill volume for a manual transmission of this era, consistent with a mid-size transfer case or gearbox designed for light truck or SUV applications.
  • Under normal use conditions, the check interval for manual transmission fluid is set at 15,000 km or 12 months, whichever comes first, across both the 3.1 TD and 3.2 V6 configurations.
  • The fluid change interval under normal use is 45,000 km or 36 months for both engine variants, meaning a full drain and refill of the 2.95-liter capacity is expected on a three-year or 45,000 km cycle.
  • The 45,000 km change interval is three times the 15,000 km check interval, so three inspection points pass before a full fluid replacement is due under normal operating conditions.
  • The 1991-1998 production span covered by both rows means the same fluid capacity and service schedule applied consistently across the entire run of the Monterey A M92 in these two engine variants.

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