Car back brakes aren't bleeding after all troubleshoot

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zeddyy

New Member
Joined
Apr 21, 2023
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1
Location
Accrington
Car
Mercedes w204 C220 CDI BlueEfficiency SE G-Tronic+
Hello all, i took my car to the garage recently as i had issues braking as it's impossible to brake. They have said to me the Rear brake is not bleeding after the brake pipe was replaced.
They've said there is not enough brake fluid adqueate enough going to the back brakes but front brakes are fine, they changed the master cylinder as well and it is still not resolved.
Anyone know the fix? Do I need to get a computer in to it to sort it out or anything else? Many thanks in advance
 
Hello all, i took my car to the garage recently as i had issues braking as it's impossible to brake. They have said to me the Rear brake is not bleeding after the brake pipe was replaced.
They've said there is not enough brake fluid adqueate enough going to the back brakes but front brakes are fine, they changed the master cylinder as well and it is still not resolved.
Anyone know the fix? Do I need to get a computer in to it to sort it out or anything else? Many thanks in advance
On many cars there is a valve to limit the rear brake force. Are they trying to bleed with it activated (rear wheels higher than front)? Alternatively is it stuck in the closed position?
 
I did my brakes last week, I bought a vacuum kit online but couldn't get it to do the job properly.
I managed to do it easily using the old fashioned method, got the wife to pump the brakes while I released the brake nipple and bled the fluid through a short pipe into a fluid filled plastic container, I left the engine running and bled wheel furthest from the resevoir first.
Bled each one about four times and kept the resevoir topped up with fresh fluid from a brand new bottle.
No issues at all, as simple as doing my old Escort Mk2 30 years earlier, didn't need coding or any updating.
Can't really see any issues unless yours is newer and needs a special sequence.
 

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