Dot3 and Dot4 brake fluids have different specifications and characteristics. Understanding the Difference,Dot3 is a glycol-based brake fluid that is commonly used in most vehicles.
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Difference between Dot 3 And Dot 4 Brake Fluid
If the brake pedal is locked and the car won’t start, it could be due to a split in the vacuum hose that connects the Brake Pedal Locked,engine with the brake booster. This can be identified through a visual check.
