Acura RL, KA9, KB1, KB2 (USA / CAN)

Brake fluid capacity & service interval

Acura RL, KA9, KB1, KB2 (USA / CAN) models utilize brake fluid with a capacity range defined by minimum and maximum levels. Service intervals include checking every 1 months and changing every 36 months. The data covers 2 configurations.

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

TypeSpecifications
RL 3.5 (CAN) (2001-2004)
  • Use: Normal
  • Between min and max.
  • Check 1 months
  • Change 36 months
RL 3.5 (USA) (2001-2004)
  • Use: Normal
  • Between min and max.
  • Check 1 months
  • Change 36 months

Additional Notes

  • Both the Canadian and American configurations of the Acura RL 3.5 share identical brake fluid service intervals for 2001-2004, with a check interval of every 1 month and a change interval of every 36 months under normal use conditions.
  • The 36-month change interval for the hydraulic brake system reflects a time-based service schedule rather than a mileage-based one, which is common for brake fluid given its tendency to absorb moisture over time regardless of driving distance.
  • The fluid level specification of "between min and max" applies to both the Canadian and American RL 3.5 variants, indicating a reservoir-based fill target rather than a measured capacity figure in volume units.
  • The 1-month check interval for the hydraulic brake system is notably frequent compared to many other fluid systems, consistent with the safety-critical nature of brake fluid monitoring.

Other Systems