servo hose, what to use? - Alfa Romeo Forum
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servo hose, what to use?

evening all,

been playing about with the sud today, trying to get more bits built up,

my brake servo hose is perished and horrible, so have been looking at what to replace it with.

i can get 10m id or 13mm id hose easily from the internet,... but in true alfa style the fittings are 12mm. servo hose in 12mm id seems to be 10 times the price, 35 quid for a meter! seem vw's use that size, on camper vans and things

will thick walled hydraulic hose do? or even thick fuel hose?
I know servo hose must not be able to collapse, but the stuff on there now is as soft as anything anyway ....

any thoughts gents?
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I fitted some plain rubber hose of the correct inside and outside diameter and it was useless - it collapsed. I ended up with a decent second hand piece of original hose.

The 105 series specialists do servo hose, maybe it would fit an Alfasud?
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Had a 33 1.7 QV

Yeh you need some really heavy duty vacuum hose. I did the same as rcollie and it just collapsed also.

But mine was only about 7/8 pounds a meter as far as I can remember.
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a trick i read about in one of the classic car magazines should do the job kam.

get the 13mm ID pipe

to make the gap up and ensure a tight fit get an old bike inner tube.

cut a little section off, about an inch or so should be enough.

put it on the fitting then try your pipe.

if it's a nice fit then great, if a little slack still then fit another piece of inner tube.

PTFE tape may also work, but would think you'd need a good few turns to make the gap up!

one good think is that it's the servo pipe and not a water one. as long as the fit is reasonable then a decent quality hose clip (i use halfords own brand, very good quality and don't slip, plus good price) should clamp down on the hose enough

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hose , servo

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