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Any - Recommended Brake Hose Shelf Life - edlithgow

Put the caliper back together and putting "new" hoses on.

Long one ( for front right, though I don't think they are "handed") has "2008/10/10" on the back of its stock tag.

Short one (for rear) has "1997/08/23"

If that means what I think it does the short one is 19 years old!

By analogy with tyres, that might be a bit too old.

A couple of commercial websites suggest the average service life is six years (which I find a bit hard to believe), but I havn't seen any shelf life recommendations.

Of course it isn't being flexed or pressurised on the shelf, but OTOH oxygen has direct access to the inside.

The long one certainly looks better than the one I took off, which has a (cosmetic?) split in the outer sheath. Havn't taken the rear one off for a good look yet.

www.hartlandservice.com/custom/Brake_Hose_Service....f

"Average life of a brake hose is six years"

www.hoseandfittingsetc.com/technical-info/inspecti...s

"The estimated life of a typical 'rubber' brake hose is 6 years, according to BrakeQuip"

Any - Recommended Brake Hose Shelf Life - Cyd
Were they in sealed bags or at least in unopened boxes?

I'll seek out someone who looks after brake hoses during the week if necessary.
Any - Recommended Brake Hose Shelf Life - edlithgow

They were handed to me loose by the local mechanic I ordered them through, no doubt with a markup, though I've no idea how much.

It's difficult to get parts here in Taiwan, though, especially for a 30 year old car, though these parts are common to later Charade G11's.

Suppliers generally don't sell direct to the public (since there is no DIY) so beggars can't be choosers.

Edited by edlithgow on 04/09/2016 at 11:46

Any - Recommended Brake Hose Shelf Life - John F

www.hartlandservice.com/custom/Brake_Hose_Service....f

"Average life of a brake hose is six years"

www.hoseandfittingsetc.com/technical-info/inspecti...s

Might have been true 50yrs ago but this looks like another industry example of flagrant scaremongering, preying on the gullible to spend on unnecessary 'servicing'. The average age of our three cars is over 20yrs; one is 36yrs old. I can find nothing in either my memory or paper service records to suggest any hoses have ever been replaced. They are checked annually at MoT by a competent mechanic for damage or bulging. They are occasionally serviced by me every year or three - wiped cleanish, then wiped with cloth impregnated with a little red rubber grease - not something you can expect a garage to do as part of their so-called 'service'.

Any - Recommended Brake Hose Shelf Life - madf

Our Jazz is on its original hoses after 13 years. No issues.

But son had an 11 year old Fiesta in 2001 where the hoses failed after clamping when changing pads and disks..

Any - Recommended Brake Hose Shelf Life - edlithgow

Our Jazz is on its original hoses after 13 years. No issues.

But son had an 11 year old Fiesta in 2001 where the hoses failed after clamping when changing pads and disks..

Possibly over-doing hose clamping was part of my motivation for getting "new" hoses. The (rear) hose in question seems to have recovered (no longer has an obvious dent in it) but I don't suppose I did it much good.

I think in future I'll just partially drain and refill the system. Since I don't have ABS its easy enough to do with a syringe.

Any - Recommended Brake Hose Shelf Life - edlithgow

Well, its stated as a "fact" (however implausibly) rather than a recommendation, so strictly speaking it doesn't have any implications for practice at all.

I'm sure, however, that part of the motivation is to persuade people to replace hoses earlier than they probably need to.

OTOH, the 10 (or 6, depending on source) year lifespan for tyres seems to have achieved wide acceptance.

Anyway, I ran out of time, so the two front hoses (which showed surface splitting) have been replaced but the rear hose (which looks OK) is staying on for now.

Its replacement is going to be even older by the time I get around to fitting it.

Red rubber grease, eh? I'd guess your reasoning is to protect the rubber from ozone "dry rot"? I think red rubber grease is (or was) castor oil-based.

A few years ago I had a vaguely similar idea about tyres, and used sunflower and canola oil. It may have worked (the tyres looked better) but I wasn't sure it wouldn't attack the rubber, and after a few applications I stopped doing it.