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Author Topic: brake fluid change  (Read 1340 times)

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john6177

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brake fluid change
« on: 10 September 2010, 21:26:17 »
Hi,
am going to do a bfc. using vx dot 4. I will be using a power bleeder not 2 person (manual). my question is do i need to follow the wheel sequence in the maint section or can i just do any wheel in any order. :-/ :-/
any help or direction much appreciated
thanks
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steve2.5cd

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Re: brake fluid change
« Reply #1 on: 10 September 2010, 21:38:11 »
yes it is better if you follow the wheel sequence  ;)
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tidla

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Re: brake fluid change
« Reply #2 on: 10 September 2010, 21:41:46 »
as a general rule, do the wheel furthest from the master working closer..
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VXL V6

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Re: brake fluid change
« Reply #3 on: 10 September 2010, 21:51:18 »
Yep, i'd follow the guide.

The brake circuit is diagonally split so best to complete a circuit at a time.
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john6177

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Re: brake fluid change
« Reply #4 on: 10 September 2010, 22:06:37 »
so

Rear Passenger
Front Drivers
Rear Drivers
Front Passenger

even with power bleeder
thanks
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Andy H

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Re: brake fluid change
« Reply #5 on: 10 September 2010, 22:13:07 »
I'm not sure if a simple flush will get the old fluid out of the ABS pump and valve block  :-/

I think I read somewhere that Tech 2 is required to energise the ABS pump to pump the old fluid out.
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hotel21

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Re: brake fluid change
« Reply #6 on: 10 September 2010, 22:17:22 »
Quote
I'm not sure if a simple flush will get the old fluid out of the ABS pump and valve block  :-/

I think I read somewhere that Tech 2 is required to energise the ABS pump to pump the old fluid out.

If you excercise the ABS pump with a T2 whilst bleeding you certainly clear out the ABS unit at the same time.

I remember M_DTM having to do that at the Lakes meet when Mick Dundee lost his rear pads on his vented rear calipers/non vented rear discs escapade when the pistons popped out....   :o
« Last Edit: 10 September 2010, 22:17:52 by hotel21 »
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VXL V6

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Re: brake fluid change
« Reply #7 on: 10 September 2010, 22:19:56 »
Quote
I'm not sure if a simple flush will get the old fluid out of the ABS pump and valve block  :-/

I think I read somewhere that Tech 2 is required to energise the ABS pump to pump the old fluid out.

Only really need to energise the ABS pump if you get air bubbles trapped in it, which is where I find the easi-bleed devices to be good (as long as you keep an eye on the reservoir) as they keep a positive constant pressure on the system.
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Andy B

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Re: brake fluid change
« Reply #8 on: 10 September 2010, 22:23:23 »
Quote
....
I remember M_DTM having to do that at the Lakes meet when Mick Dundee lost his rear pads on his vented rear calipers/non vented rear discs escapade when the pistons popped out....   :o

The second York meet IIRC  ;)
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john6177

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Re: brake fluid change
« Reply #9 on: 10 September 2010, 23:02:27 »
i dont have tech 2. Oh the capri is so much easier
« Last Edit: 10 September 2010, 23:15:49 by john6177 »
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tidla

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Re: brake fluid change
« Reply #10 on: 10 September 2010, 23:03:57 »
not many do.. just bleed the brakes. :y
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Andy H

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Re: brake fluid change
« Reply #11 on: 11 September 2010, 10:00:56 »
Sorry, didn't mean to suggest it wasn't worth doing. Just pointing out that some of the old fluid might remain in the circuit.
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