Changing a automobile’s brake system from DOT 5 fluid to DOT 4 fluid necessitates a whole and thorough overhaul. DOT 5 is a silicone-based brake fluid, whereas DOT 4 is a glycol-ether-based fluid. These fluids usually are not suitable, and mixing them can result in severe brake system failure. The method entails fully eradicating all traces of the present DOT 5 fluid, changing sure elements, and making certain the system is correctly bled.
The impetus for such a conversion sometimes stems from points associated to DOT 5’s inherent properties. Whereas DOT 5 doesn’t take up moisture like DOT 4, which reduces the chance of inner corrosion, it additionally compresses extra simply. This compressibility can lead to a spongy brake pedal really feel. Moreover, discovering DOT 5 fluid could also be tougher and costly in comparison with the extra generally obtainable DOT 4. A conversion, subsequently, could also be fascinating for improved brake really feel, simpler upkeep, and probably decrease long-term prices.