i need to replace on my vw golf mk3 driver 1.8lt 93 reg the front brake hose for hydralic. how do i stop the hydraulic oil from leaking since the main brake line is copper tube and do i need to bleed all the wheels front and back?

lochias, December 2007

hi lochias
what i have done previously is clamp the old brake pipe with either a brake pipe clamp or mole grips and disconect from the caliper,then attach new pipe to caliper,disconect old pipe from brake line and connect new pipe,there will be a very small amount of fluid lost but no big deal..as to bleeding i always do all 4 corners to be on the safe side..
Tony

tony hall, December 2007

hi lochias
what i have done previously is clamp the old brake pipe with either a brake pipe clamp or mole grips and disconect from the caliper,then attach new pipe to caliper,disconect old pipe from brake line and connect new pipe,there will be a very small amount of fluid lost but no big deal..as to bleeding i always do all 4 corners to be on the safe side..
Tony

tony hall, December 2007

little trick for u.disconnect the end of the brake hose,fluid will start to come out,wedge the brake pedal down with a bar or hammer something like that.when u do this more fluid will come out but then it will stop coming out,leaving u free to take you time replacing the hoses without losing all the fluid.u will only need to bleed the front brakes after u finish,if u dont wedge the pedal down u will lose all the fluid & have to bleed the whole system,unless your very fast changing them.hope this helps

bob, December 2007