Question

A technician removes the cap from the brake fluid reservoir and finds that the rubber boot in the cap is swollen. technician a says this is because there is water in the brake fluid. technician b says this is because the brake fluid level is too low. which technician is correct?

Answer 1

Technician A is correct, there could be water or other contaminant in the brake fluid reservoir. The swollen cap needs to be replaced, some sell only the rubber part of the cap which could help save you money.