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What causes and what can we do to prevent the brake problems occuring after storage? The hoses are bad the wheel cylinders frozen, etc. etc. etc. thomas@yellville.net
How long a period of "storage" do you mean? If a brake system is properly maintained (fresh fluid flush/bleed every 2-3 years, flex hoses replaced every 10 years), you shouldn't have any issues. Cars that sit untouched for 10-15 years are going to require a complete system overhaul.
My guess is that the system was not maintained prior to storage. Two years in storage shouldn't do that, but 2 years added to having a system untouched for the last 15 would.
...Hoses stopped up, wheel cylinders frozen. There must be a remedy for this.
If the car will be sitting more than it will be driven, you can consider switching to silicon brake fluid, otherwise, as has been stated, regular system maintenance should be sufficent.
Thanks for the help..... So......silicone fluid would stop the storage problems?
No. It minimizes them, but doesn't stop them. I have seen cars that had silicone fluid that had solid brake lines and such after long storage.
Also, if any moisture is in the fluid (silicone fluid doesn't eliminate moisture, it just doesn't absorb it), then it forms concentrated droplets of water that can rust in those areas.
Corvette disc brakes 1965 to 1982 are notorious for leaking when left sitting, so storage of several months often results in no brakes without bleeding the system.
My '68 came out of 10 years of sitting, and the hoses were solid even though silicone fluid was in the system. Calipers all leaking. So was the master cylinder. But at least the metal parts looked like new when I cleaned the gunk out.