don't cut.. get a hot soldering iron, and melt away
Removing Injector Hoses S4
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yes, best not to cut...one slight nick in the hose nipples and they might well leak under pressure
here they use the odd term 'welder' for a soldering iron.
the soldering iron will make short work of the rubber and you should be able to just pull it off.
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that circular 'bushing' is just a hose cap (called a 'ferrule')...the hoses are just a push fit (if you get the correct sized injector hose, that is: 7.5mm ID and importantly (if the ferrules are to be used) 13mm OD, the hose pushes right up to the ferrule, which keeps it from expanding/coming loose
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here they use the odd term 'welder' for a soldering iron.
the soldering iron will make short work of the rubber and you should be able to just pull it off.
that circular 'bushing' is just a hose cap (called a 'ferrule')...the hoses are just a push fit (if you get the correct sized injector hose, that is: 7.5mm ID and importantly (if the ferrules are to be used) 13mm OD, the hose pushes right up to the ferrule, which keeps it from expanding/coming loose
When you go to replace the injector hoses, I would strongly suggest using injector hose clamps rather than the ferrules. As Dom mentioned, with the right hose, the ferrules work fine. But if the injector hose outside diameter is too large (even if the inside diameter is the correct 7.5 mm), the ferrules will not work, and you could be in for a catastrophic event. Below is a link to my cautionary story:
www.alfabb.com
Word of Warning -- Fuel Injection
All, I wanted to pass along a scary (but very real) story and a lesson learned about the Bosch fuel injection. On the Bosch cars, the fuel hose between the fuel rail and the injectors is 7.5mm ID. The hoses do not use clamps, but rather, are held in place by ferrules that accept the end of...
www.alfabb.com
so it does all come down to using the right tools. I bought a cheapo soldering iron with a pointed tip as below. I patiently pierced the rubber down to the ferrule base careful not to damage any of the metal, and with a little persistence the rubber hose did come off and ferrule was removed. one side done in about an hour, will attempt the other side next week (off my GTV6).
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