Classic Mini Cooper and Mini Cooper S

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Bypass hose sprung a leak. (3 replies and 1 comment)

ibarnett01
2 years ago
ibarnett01 2 years ago

Bypass hose sprung a leak.

ibarnett01
2 years ago
ibarnett01 2 years ago

Any thoughts on how to replace with everything still in situ? I don't particularly want to take the head off. Don't know about now but in the old days you could get what were called the concertina hoses which made the job more manageable. Any thoughts welcome and thanks in advance. Car is a '69 Cooper S.

surfblue63
2 years ago
surfblue63 2 years ago

The concertina type hose is prone to early failure.

It maybe possible to replace the by-pass by removing the water pump, but that means the rad will may need to come off, which is probably just as time consuming (and knuckle scrapping) as taking off the head.

DavyBl
2 years ago
DavyBl 2 years ago

The Rad and Water Pump out are the only viable route. If it was mine I'd change the water pump whilst at it and flush the system. A standard piece of hose will see you probably not ever looking at it again or for a very long time. I think everybody gave up with the concertina hoses a very long time ago and I wouldn't trust one today with the inferior and perishable rubber that's around.

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