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Old Nov 11, 2020 | 12:30 AM
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Default clutch fluid
the owners manual says dot 3. the cap on mine says dot 4.
which is it? 14 z51
thanks
Last edited by firstvette99; Nov 11, 2020 at 12:31 AM.
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Old Nov 11, 2020 | 02:19 AM
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Originally Posted by firstvette99
the owners manual says dot 3. the cap on mine says dot 4.
which is it? 14 z51
thanks
DOT 3 and DOT 4 are compatible, but DOT 4 has higher boiling points. DOT 4 can, therefore, be used in any system specifying DOT 3.

In short, I'd use DOT 4.
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Old Nov 11, 2020 | 06:37 AM
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Old Nov 11, 2020 | 10:24 AM
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I use Pentosin DOT4 LV in my '14 Z51 that sees track time. I use the Ranger method to flush it every other oil change. I tends to be slightly discolored but not that bad.
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Old Nov 11, 2020 | 03:48 PM
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Clutch fluid doesn't have to handle the heat like brake fluid does; Dot 3 will work fine for clutch use.....in fact it's a little better because the higher the fluid temp, the faster it will absorb water. I always change the clutch when changing oil so it stays fresh; this way it never has time to collect clutch dust and turn black.

Enjoy the ride.
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Old Nov 11, 2020 | 04:48 PM
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GM calls for this:


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Old Nov 11, 2020 | 04:49 PM
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For my 2015 the owners manual specifies super DOT 4 fluid for the system. How is this different
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Old Nov 11, 2020 | 06:53 PM
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Originally Posted by hisvett
Clutch fluid doesn't have to handle the heat like brake fluid does; Dot 3 will work fine for clutch use.....in fact it's a little better because the higher the fluid temp, the faster it will absorb water. I always change the clutch when changing oil so it stays fresh; this way it never has time to collect clutch dust and turn black.

Enjoy the ride.
I agree with much of what you said, but would appreciate further explanation of "Dot 3... it's a little better because the higher the fluid temp, the faster it will absorb water."
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Old Nov 12, 2020 | 10:14 PM
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ATE Type 200 is a great DOT4 fluid. High boiling temp and known for absorbing moisture much more slowly than many other fluids. Available for a very fair price from Tire Rack.
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Old Nov 14, 2020 | 07:34 AM
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What is the ATE SL that I see advertised now ? It's also DOT 4.
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Old Nov 17, 2020 | 09:35 AM
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ATE SL brake fluid? I am not familiar with this version. The Type 200 worked great in my 14 Mustang GT. Over 50 track events and never had a soft brake pedal. I changed the fluid once in the spring and used it for the entire season. Was always crystal clear the next year and I routinely melted the high temperature silicone dust seals on the caliper pistons. I now use this on on everything with excellent results.
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