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Author Topic: Brake Fluid Reservoir  (Read 801 times)
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simonandjuliet
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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)


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* IMG_0204.jpeg (125.78 KB, 480x640 - viewed 251 times.)
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