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Carlo Cervo
TryHard
ACT
JZZ30 TT

Posts: 105
Reg: 01-2009

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Thursday, September 17, 2009 - 03:27 pm, by:  Carlo Cervo (Chomp) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Any help would be appreciated, I am getting a Warning code popping up usually when backing off after boost and braking the error code is Brake fluid level now the weird thing is i have checked the brake fluid level and its full (could it possibly be too full?). on a side note the brakes shutter a bit when braking hard as well. i was unsure where to post this as i could go a few different topics.
cheers
Peter Nitschke
Junk Filterer
South Australia
UZZ30 UZZ31

Posts: 10884
Reg: 11-2004

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Thursday, September 17, 2009 - 04:20 pm, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Common problem. Short answer is to overfill the brake fluid a bit more.
Carlo Cervo
TryHard
ACT
JZZ30 TT

Posts: 106
Reg: 01-2009

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Friday, September 18, 2009 - 08:22 am, by:  Carlo Cervo (Chomp) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

cool thanks for that Peter was a bit worried there for a moment
Grant Rowan
TryHard
QLD
jzz30 GT3582r

Posts: 440
Reg: 02-2006

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Friday, September 18, 2009 - 08:28 am, by:  Grant Rowan (Booster13psi) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I have the same problem.

Just over fill it and its all good.
Carlo Cervo
TryHard
ACT
JZZ30 TT

Posts: 132
Reg: 01-2009

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Friday, October 09, 2009 - 10:31 am, by:  Carlo Cervo (Chomp) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

all is good
Matz Persson
Tinkerer
Qld
V8

Posts: 11
Reg: 08-2006

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Monday, March 15, 2010 - 02:34 pm, by:  Matz Persson (Matz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I tried to overfill as I am getting this error but it was just getting progressively worse. Took it to the local brake guys. They drilled a little hole in the pipe in the cap where the sensor pipe sits to drain captive fluid. Now its much less frequent but still happens.

I have emailed Neil to see if he has replacement filler caps in stock. In case he doesn't, does any one have a functional second hand one?
Gary Redman
TryHard
NSW
Accord Euro Luxury

Posts: 410
Reg: 09-2005

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Monday, March 15, 2010 - 03:22 pm, by:  Gary Redman (Gary) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Just unplug the lead into the cap - problem solved
Matz Persson
Tinkerer
Qld
V8

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Reg: 08-2006

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Monday, March 15, 2010 - 03:43 pm, by:  Matz Persson (Matz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yup, could do that... but would be nice to solve properly.
Dan McColl
Goo Roo
Victoria (The Nazi State)
Active V8 and the Beast.

Posts: 2402
Reg: 07-2005

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Wednesday, March 17, 2010 - 08:42 pm, by:  Dan McColl (Hoon) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Do a search for the repair.

You can disassemble the sensor and clean all the brake fluid out of it and then it's perfect for another 15 years.
Matz Persson
Tinkerer
Qld
V8

Posts: 13
Reg: 08-2006

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Thursday, March 18, 2010 - 08:42 am, by:  Matz Persson (Matz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I emailed with Neil Griffiths just after the last post here and he said the same thing.

Just a multi-grip on the plastic pipe sitting in the cap, gentle half-turn to get it off, clean the pipe and its as good as new.
Dave Hart
Goo Roo
Waikato
UZZ32

Posts: 1528
Reg: 08-2005

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Thursday, March 18, 2010 - 03:06 pm, by:  Dave Hart (Davyboy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Change the brake fluid, unless you've recently replaced it, otherwise the problem will soon return.
Adam Lonergan
Goo Roo
Victoria
UZZ32 #369 (V8)

Posts: 1119
Reg: 08-2005

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Friday, March 19, 2010 - 08:23 pm, by:  Adam Lonergan (Alchemistal) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Dave Hart wrote on Thursday, March 18, 2010 - 03:06 pm:

Change the brake fluid, unless you've recently replaced it, otherwise the problem will soon return.




Why is this the case?
Dave Hart
Goo Roo
Waikato
UZZ32

Posts: 1530
Reg: 08-2005

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Saturday, March 20, 2010 - 06:12 am, by:  Dave Hart (Davyboy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Adam, I believe it was the dirty old, full of moisture brake fluid that entered the tube and caused the fault. If that same fluid is still in the reservoir it will again enter the tube and do the same. If the brake fluid is new and the sensor tube cleared of brake fluid then you should be ok but remember to clean out those tubes every time you change your brake fluid and you won't have any trouble from false level alarms.
Adam Lonergan
Goo Roo
Victoria
UZZ32 #369 (V8)

Posts: 1124
Reg: 08-2005

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Saturday, March 20, 2010 - 09:05 am, by:  Adam Lonergan (Alchemistal) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Dave, I'm still of two minds as to whether or not there should be fluid inside the plastic tube at all. To me it looks like once it is assembled heat and light pressure was used to deform the tip and press the plastic surfaces tightly together. The float on the outside of the tube exerts magnetic influence/force on the switch inside the glass portion of the probe and completes the circuit triggering the warning and therefore there is no need for fluid to be inside the plastic tube. I have a spare used sensor so I’m thinking if I can’t get either fixed I might use a soldering iron to seal the bottom of the tube on one and test my hypothesis.
Dan McColl
Goo Roo
Victoria (The Nazi State)
Active V8 and the Beast.

Posts: 2415
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Saturday, March 20, 2010 - 03:01 pm, by:  Dan McColl (Hoon) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

No, there shouldn't be fluid inside the tube at all. The tube should be sealed, and the o ring at the top where it attaches to the cap should seal the top of it.

Not sure about the old crap fluid theory, I'd suspect that it's only 99.9% fluid tight and over the last 15-20 years a very minute amount has worked its way in each time the car was driven.
Dave Hart
Goo Roo
Waikato
UZZ32

Posts: 1532
Reg: 08-2005

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Saturday, March 20, 2010 - 05:23 pm, by:  Dave Hart (Davyboy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

You both could be right but fluid has got in once so it will get in again; when I don't know.
This business of topping up the level to fix the problem is not the way to go for this type of sensor.
Dan McColl
Goo Roo
Victoria (The Nazi State)
Active V8 and the Beast.

Posts: 2420
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Saturday, March 20, 2010 - 05:41 pm, by:  Dan McColl (Hoon) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Sure, it will get in again, but the fix is literally a 2 minute job including opening and closing the bonnet.

I would suggest it would be several years at least before needing to do it again.

I also suspect that overfilling the fluid is part of the cause of the failure to start with.

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