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Your cart is empty.Ajxn 1 PC Car Brake Oil Test Pen, Hydraulic Oil Moisture Change Analysis Diagnostic Test Tool, Vehicle Troubleshooting Accessories, Universal Size Suits for Most Carssuch as SUV, Mini Van (Black)
Hector
Reviewed in the United States on May 2, 2025
The brake light pen is an absolute essential for any car owner! I have used this too as a visual indicator for customers on the need to flush out the old brake fluid. The use of the pen is pretty straightforward. You click the button to turn it on and insert it into the brake fluid. The pen will tell you at what percent the brake fluid is at with regards to its hygroscopic properties. Brake fluid is hygroscopic! It is practical, easy, and effective repairs to help with repairs.
William Mejia
Reviewed in the United States on July 12, 2024
BUENO
Ziying Guo
Reviewed in the United States on October 22, 2024
Test it first two lights on, but just within a minute test the fluid again it came on three lights. Now I am lost, didn’t know which test result is true.
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