BRAKE FLUID MISSING :o

Graham

Well-Known Member
I am in uk
Mar 22, 2010
3,921
149
63
Warrington, Cheshire
Garage
Well, about Wednesday just gone, the little brake warning light came on, the red one, above the spedo.
So I thought, no problem, I know the pads are getting low, as I had bought some EBC's for front and rear some months ago.

So I just expected the 'low fluid' to be because the pads were worn, and I would simply jut 'top it up' for now.
Then during the week, get the new front and rear pads fitted.
By now the brake pedal was going three quarters down, and un nerving.

Well I looked under the bonnet, and at the reservoir, expecting it to be about a third full still.

I was quite alarmed to see it was almost empty, :o
To the point that, it may not just be the worn pads, but may also be a leak.

Any way, I will buy some dot 4 this morning, and fill it to half, and see if the brake pedal comes back to normal.
If not, then I will run it into Toyota on Monday morning and get them to fit the new pads, and also do an inspection, and full fluid flush.

Has any one ever had a brake system leak on a 120 yet ?
Where did you find the leak?

Graham
 

Graham

Well-Known Member
I am in uk
Mar 22, 2010
3,921
149
63
Warrington, Cheshire
Garage
OK, I just had a quick look at the inside of all the 4 wheels.

And sure enough, the front passenger tyre is wet with brake fluid.

So there is my answer.

I might take the wheel off, to see if it's the seals, which it probably is, or some thing more sinister.

Graham
 
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Nuclear Chicken

Well-Known Member
Apr 9, 2010
403
4
38
Norn Iron
I had a brake pipe leak Graham, but that was corrosion, related to the lazy arsed original owner that liked to dip the rear of it in sea water and not clean it afterwards. I had the light come on too and it took me a while to source the leak.
 

Graham

Well-Known Member
I am in uk
Mar 22, 2010
3,921
149
63
Warrington, Cheshire
Garage
Found the culprit.

DSC00216.jpg

.
DSC00220.jpg


I was able to get quarter turn on the nut.
I have dried all the back of the caliper, and there is no leak with pressure on the pedal.

However there is air in the system.
So tomorrow I will go around to my mechanic, and we will flush the whole system with new fluid.

Any ideas how the nut could come loose ?

Graham
 

Nuclear Chicken

Well-Known Member
Apr 9, 2010
403
4
38
Norn Iron
If the calipers were off at some stage probably not tightened enough. Might be worth changing that little fixed pipe connection on the calipers. It's a simple job you could do as you're changing fluid anyway. It's prone to damage when the calipers are removed or loosened.
 
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