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Author Topic: Brake Fluid Reservoir  (Read 136 times)
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« on: 04 July, 2022, 04:52:20 PM »

I don't think that I have written this up before ......

Aprilias, Appias, Ardeas and some (all ??) Aurelias have a pressurised reservoir for the brake fluid. You fill up the reservoir and then lift up the plunger - and it should stay there ...... a pet hate of mine is seeing the plunger down !

I suspect that I have already upset some people .....

The plunger is great for bleeding brakes, but I have always believed that Lancia designed it to maintain a positive pressure on the system. While it is safe to drive with the plunger down (it's a closed circuit) , to me if the plunger goes down it suggests a problem, either in the reservoir itself (not a big issue) or in the master cylindre or a wheel cylindre, which is more of an issue

With my cars the plunger stays up for months at a time and if it isn't I check for puddles of brake fluid !

I have a reservoir in bits at the moment for a job that I am doing, so thought I'd share pictures as I go along - today I took a couple apart

I had to use the induction heater on one , but the other was OK once it was properly clamped in the vice (top and bottom - see photo)

So take-apart photos today (there is a circlip missing on one photo, sorry)

* IMG_0200.jpeg (101.56 KB, 640x480 - viewed 71 times.)

* IMG_0201.jpeg (111.92 KB, 480x640 - viewed 71 times.)

* IMG_0202.jpeg (71.96 KB, 480x640 - viewed 71 times.)

* IMG_0203.jpeg (106.69 KB, 480x640 - viewed 70 times.)

* IMG_0204.jpeg (125.78 KB, 480x640 - viewed 73 times.)

Amilcar CGS, Aprilia Cabrio, S2Aprilia, Ardea camioncino, S2 camioncino, S2 furgoncino, R4 Sinpar, R4 Rodeo, 65 Moke, R60 Tractor, R60 S, Toselli 78, Moto Guzzi Ercole, Disco 3, Mini ALL4 JCW, Moto Guzzi Cardellino, Fulvia GT, RE Himalayan, Ypsilon
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