Changing brake fluid
Registered User
Joined: Feb 2020
Posts: 104
From: Midwest
Rep Power: 12
Question for you all...
I've seen several people on different boards say that you need the dealer to run the AMDS clutch purge routine to replace the fluid in the clutch for the ASM transmission.
My thinking is that the AMDS purge procedure mimics the "push and release" action that someone would do with a manual clutch.
However, is this actually necessary if you have a pressure bleeder like the Motive? I think the pressure it creates would force the fluid out of the clutch in any case, right? Would you still need the AMDS purge?
I've seen several people on different boards say that you need the dealer to run the AMDS clutch purge routine to replace the fluid in the clutch for the ASM transmission.
My thinking is that the AMDS purge procedure mimics the "push and release" action that someone would do with a manual clutch.
However, is this actually necessary if you have a pressure bleeder like the Motive? I think the pressure it creates would force the fluid out of the clutch in any case, right? Would you still need the AMDS purge?
Registered User
Joined: Jan 2015
Posts: 1,708
From: Florida
Rep Power: 101
Question for you all...
I've seen several people on different boards say that you need the dealer to run the AMDS clutch purge routine to replace the fluid in the clutch for the ASM transmission.
My thinking is that the AMDS purge procedure mimics the "push and release" action that someone would do with a manual clutch.
However, is this actually necessary if you have a pressure bleeder like the Motive? I think the pressure it creates would force the fluid out of the clutch in any case, right? Would you still need the AMDS purge?
I've seen several people on different boards say that you need the dealer to run the AMDS clutch purge routine to replace the fluid in the clutch for the ASM transmission.
My thinking is that the AMDS purge procedure mimics the "push and release" action that someone would do with a manual clutch.
However, is this actually necessary if you have a pressure bleeder like the Motive? I think the pressure it creates would force the fluid out of the clutch in any case, right? Would you still need the AMDS purge?
it actually didn't need the clutch fluid flush since they did the clutch fluid flush when they replaced clutch last fall... did it anyway
both brake and clutch flush for $200 and they also did a full microbial clean and treatment for no additional charge (I think it was a pine tree air freshener...)
Registered User
Joined: Feb 2018
Posts: 57
From: florida
Rep Power: 0
brake fluid
i found this thread and had a question about brake fluid flush/change. i have 2015 V12 Vantage S, ASM III. I am taking it to the track soon, so i would like to flush the brake lines. i have seen Redpants tutorial on how to do it, but does it effect the Clutch reservoir? Meaning do i have replace fluid in both or just the brakes? And if the clutch for ASM III is part of this process than is it better to take it to the dealer?
Registered User
Joined: Oct 2015
Posts: 1,560
From: Ottawa, Ontario, Canada
Rep Power: 98
I don't know about the ASM but in a Manual car there is only one brake fluid reservoir under the hood and it serves both the brakes and clutch from that reservoir so when you flush your brakes you can and should flush your clutch at the same time.
Registered User
Joined: Jan 2015
Posts: 1,708
From: Florida
Rep Power: 101
with ASM it's my understanding you have to cycle the ASM with software at the dealer. I had my whole system flushed at dealer for $200... they do a full courtesy check, topped off fluids, etc... took about 2 hours... worth it to me
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