Ranger (GM) Ranger B (II)

Brake fluid capacity & service interval

Ranger (GM) Ranger B (II) uses brake fluid with a capacity of 0,37 liter. Service intervals include checking every 5000 km or 3 months and changing every 40000 km or 24 months. The data covers 6 configurations.

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

TypeSpecifications
2800 GTS (1974-1978)
  • Use: Normal
  • Capacity 0,37 liter (Between min and max.)
  • Check 5000 km/ 3 months
  • Change 40000 km/ 24 months
1700 (1972-1978)
  • Use: Normal
  • Capacity 0,37 liter (Between min and max.)
  • Check 5000 km/ 3 months
  • Change 40000 km/ 24 months
1700S (1972-1978)
  • Use: Normal
  • Capacity 0,37 liter (Between min and max.)
  • Check 5000 km/ 3 months
  • Change 40000 km/ 24 months
1900 (1972-1978)
  • Use: Normal
  • Capacity 0,37 liter (Between min and max.)
  • Check 5000 km/ 3 months
  • Change 40000 km/ 24 months
2500 (1972-1978)
  • Use: Normal
  • Capacity 0,37 liter (Between min and max.)
  • Check 5000 km/ 3 months
  • Change 40000 km/ 24 months
2500 GTS (1972-1974)
  • Use: Normal
  • Capacity 0,37 liter (Between min and max.)
  • Check 5000 km/ 3 months
  • Change 40000 km/ 24 months

Additional Notes

  • All six variants of the GM Ranger B (II) share an identical brake fluid capacity of 0.37 liter, measured as the volume between the reservoir minimum and maximum marks rather than a total system fill volume.
  • The 0.37 liter figure represents the usable operating range within the brake fluid reservoir, not a dry-fill or overhaul capacity, meaning the hydraulic system holds more fluid in total but only that portion is actively managed during routine service.
  • Under normal use conditions, the brake fluid check interval is set at 5,000 km or 3 months, whichever comes first, reflecting the relatively short monitoring cycle typical of hydraulic brake systems from this era.
  • The fluid change interval across all variants is 40,000 km or 24 months under normal use conditions, a time-based ceiling that acknowledges brake fluid's tendency to absorb moisture over time regardless of distance driven.
  • The 1700, 1700S, 1900, and 2500 variants share the same production span of 1972-1978, and all carry identical brake fluid specifications, indicating no differentiation in hydraulic brake system design across those engine displacements.
  • The 2500 GTS covered the years 1972-1974, while the 2800 GTS ran from 1974-1978, together spanning the full production window of the range without overlap in their respective years, yet both share the same 0.37 liter capacity and service intervals as the other variants.

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