Super VXer
My Japanese spec VX brake fluid needs topping up, I have tried to obtain DOT3 as it states on the cap but so far no luck. Having read on the cans of DOT 4.1 and 5 that it exceeds the spec of DOT3 I am a little wary as the existing DOT3 may be synthetic and the DOT 4.1 or 5 may be a different base material can anyone shed any light on this subject?
Super VXer
Dot 3 &4 are Glycol based & absorb water. Dot 5 is silicone based and does not absorb water. You state that you are topping off. Do not use Dot 5 to top off brake system with Dot 3 already installed. Actually consider draining & flushing the Brake system & refill with Dot 5.
Dot 3 & 4 also have lower boiling points then Dot 5
Bob
Neither ordinary or extraordinary, just indefatigable.
2000 VX Green Dragon- Chick Demagnitizer-Supercharger-Injen Intake- Cold air box-K&N- Power Vault SS Exhaust-265-75-16 BFG MT kms-On Board CO2- Custom Boulder Bars- Custom Skid plates- PIAA 520 Fog Lites-3inch lift with OME 912 Springs-LINE X Bedliner on Cladding & Hood Insert-ARB Front Lockers & Custom Bull Bar. Vintage Offenhauser Hood scoop Thule Rack. XM Radio-Custom Storage Box-First VX to surmount the RUBICON.Thanks Sierra Stompers
Super VXer
Would it be safe to say that Dot 5 is superior to the others?
Super VXer
Since Dot 5 does not absorb water there is always a chance that if water somehow enters your brake system it will cause rust wherever it is contained.Originally posted by Dallas4u
Would it be safe to say that Dot 5 is superior to the others?
Bob F
Super VXer
Thanks for your reply Green Dragon, as I am only topping up I will use the readily available DOT4.1
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