1997 - 2002 Corvette: GM TechLink: Hydraulic Clutch Fluid Discoloration

The fluid in the hydraulic clutch system of 1997 – 2002 Chevrolet Corvettes may appear discolored. This discoloration is the result of carbon black used in the seal manufacturing process leaching out into the hydraulic fluid used in the clutch system.

The discoloration may also collect on the inside of the clutch reservoir at the top of the fluid. This discoloration does not affect the operation of the clutch system and should not be considered a reason to flush the clutch hydraulic system.

– Thanks to GM Technical Assistance
August 2002 - GM TechLink

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