#1: bleeding brakes Author: anton1989, Location: west midlandsPosted: Sun Sep 09, 2012 1:08 pm ---- car- 206 1.1-non plex- y reg- no abs
had to change the caliper on my car, all the brake fluid drained out in the process, after changing i filled the car back up with fluid, bleeded all the brakes but when i press the brake pedal with the car running it hit the floor? with the car off they get a liittle hard but soon as i start the car it goes soft very soft again?
i bled it with a mate pressing the pedal
#2: Re: bleeding brakes Author: miller-94, Location: ScotlandPosted: Sun Sep 09, 2012 1:14 pm ---- has one of the brake cylinders gone? happened to mines the other week and had to get it replaced.. could be wrong though
#3: Re: bleeding brakes Author: DeadEyePaul, Location: Rugby,WarwickshirePosted: Sun Sep 09, 2012 1:24 pm ---- Want to borrow my ezibleed kit Anton?
#4: Re: bleeding brakes Author: Harry, Location: StaffordPosted: Sun Sep 09, 2012 1:29 pm ---- How did you bleed them?
What order did you bleed them?
Did you make sure the fluid never got low in the reservoir?
Sounds like trapped air
#5: Re: bleeding brakes Author: Addaz, Location: SuffolkPosted: Sun Sep 09, 2012 1:49 pm ---- Sounds like incorrect bleeding
#6: Re: bleeding brakes Author: anton1989, Location: west midlandsPosted: Sun Sep 09, 2012 2:08 pm ----
anton1989 wrote:
had to change the caliper on my car, all the brake fluid drained out in the process,
i started with the drivers side then passengers etc
how do i get the trapped air out?
#7: Re: bleeding brakes Author: DeadEyePaul, Location: Rugby,WarwickshirePosted: Sun Sep 09, 2012 2:13 pm ---- The ezibleed kit will force it out the bleed nips. You fill a resiviour with brake fluid and with a small amount of pressure from the spare tyre it will force fluid through the lines. Opening each bleed screw (4 of them) will allow air out.
#8: Re: bleeding brakes Author: anton1989, Location: west midlandsPosted: Sun Sep 09, 2012 2:17 pm ---- cheers
#9: Re: bleeding brakes Author: gazza82, Location: South BucksPosted: Sun Sep 09, 2012 3:40 pm ---- Do you have ABS? If you do, you might need more than Ezibleed ... air in ABS in not good
if your mate press the pedal too hard it will damage the seal
#15: Re: bleeding brakes Author: anton1989, Location: west midlandsPosted: Mon Sep 10, 2012 7:14 am ---- Which seal? Easy to replace? After bleeding the pedal is as it should be, but soon as start the engine the pedal hits the floor nearly. The brakes work just have to push my foot all the way down
#16: Re: bleeding brakes Author: macca1411, Location: Westhoughton, LancashirePosted: Mon Sep 10, 2012 7:28 am ---- 9 times out of 10 a soft pedal after bleeding brakes is down to incorrectly bleeding the system.
As for finding if a seal is blown, have a look for signs of leakage on the drum rear plates, around the calipers or dripping down the servo. You can usually tell if it's on one of corners by having a look on the inside of the wheel and seeing if there is any brake fluid visible. If there is, get it off as soon as possible to avoid damage to the wheel or the tyre.
#17: Re: bleeding brakes Author: MrBSI, Location: What's it to you? ? ?Posted: Mon Sep 10, 2012 7:49 am ----
Addaz wrote:
Sounds like incorrect bleeding
Whats the betting the pedal was pushed to the floor during bleeding which in turn can flip the seal in the master cylinder ruining it.
I always use the Eezibleed.
As for a non ABS 206 right hand drive the brakes should be bled starting at the back axle with the wheel furthest away from the master cylinder.
#18: Re: bleeding brakes Author: anton1989, Location: west midlandsPosted: Mon Sep 10, 2012 1:56 pm ---- thanks for the feedback
can not see any leaking
and to be honest i didnt know what i was doing, i was following the lead of a friend (wont do that again!)
will be borrowing a Eezibleed kit hopefully this will sort it if the seal has not gone?
will start with the rear brakes this time and let you know how i get on
if the seal has gone does this mean be caliper?
#19: Re: bleeding brakes Author: MrBSI, Location: What's it to you? ? ?Posted: Mon Sep 10, 2012 2:01 pm ----
anton1989 wrote:
will be borrowing a Eezibleed kit hopefully this will sort it if the seal has not gone?
will start with the rear brakes this time and let you know how i get on
if the seal has gone does this mean be caliper?
You MUST drop the air pressure down to 15 psi or less with the Eezibleed else you can damage the hydraulic circuit / damage seals inside the master cylinder.
The master cylinder is attached to the brake fluid hydraulic reservoir.
will be borrowing a Eezibleed kit hopefully this will sort it if the seal has not gone?
will start with the rear brakes this time and let you know how i get on
if the seal has gone does this mean be caliper?
You MUST drop the air pressure down to 15 psi or less with the Eezibleed else you can damage the hydraulic circuit / damage seals inside the master cylinder.
The master cylinder is attached to the brake fluid hydraulic reservoir.
Was going to tell him that when he comes!
#21: Re: bleeding brakes Author: gazza82, Location: South BucksPosted: Mon Sep 10, 2012 2:45 pm ---- Oops misse the bit about no ABS ... sorry.
[quote="anton1989"if the seal has gone does this mean be caliper?[/quote]
It's more likely to be the one on the master cylinder. If it was the caliper it would be leaking fluid. If the master it may have turned insode out and just isn't making any pressure ...
#22: Re: bleeding brakes Author: anton1989, Location: west midlandsPosted: Mon Sep 10, 2012 2:54 pm ---- so if worst case its the one in the master cylinder do i need to replace it or can it be fixed?
#23: Re: bleeding brakes Author: MrBSI, Location: What's it to you? ? ?Posted: Mon Sep 10, 2012 3:04 pm ----
anton1989 wrote:
so if worst case its the one in the master cylinder do i need to replace it or can it be fixed?
Replacement master cylinder time.
There's very few people on here I would actually trust to have the knowhow & skill to reseal a master cylinder.
#24: Re: bleeding brakes Author: Seabook, Posted: Mon Sep 10, 2012 3:25 pm ---- 2 man brake bleeding takes a long time to complete.
it took us a good few hours to get it done when i change both front calipers
#25: Re: bleeding brakes Author: anton1989, Location: west midlandsPosted: Mon Sep 10, 2012 3:29 pm ---- ok, well there is a 206 being broke near me so can get hold of 1 for free. easy to replace?
would it be simple as replace, then bleed (correct way this time lol)
It's not certain that the seal is gone. If the pedal was not pressed in-sync with the opening of the nipples
even once, that could have let air in as well.
I would try bleeding again really, then start looking at replacing things.
And take a good while over it with the correct sequence of sides etc.
#27: Re: bleeding brakes Author: Seabook, Posted: Mon Sep 10, 2012 3:45 pm ---- i though is like this:
nipple close->brake->open nipple for a sec->close nipple->release brake->repeat (?)
nipple close->brake->open nipple for a sec->close nipple->release brake->repeat (?)
Exactly.
Miss a step and it can cause air to go in I think.
#29: Re: bleeding brakes Author: MrBSI, Location: What's it to you? ? ?Posted: Mon Sep 10, 2012 3:50 pm ---- You can also reverse bleed the brakes with the correct equipment BUT lets not get ahead of ourselves
A session with the Eezibleed should sort this.
#30: Re: bleeding brakes Author: anton1989, Location: west midlandsPosted: Mon Sep 10, 2012 3:52 pm ---- will be using the bleeding kit next time, will see how it goes and let everyone know
nipple close->brake->open nipple for a sec->close nipple->release brake->repeat (?)
Exactly.
Miss a step and it can cause air to go in I think.
though i have done it wrong in the past
now that's a relief
#32: Re: bleeding brakes Author: Mounty, Location: United KingdomPosted: Sun Nov 04, 2012 3:25 pm ---- Can air get into the system when the calliper is taken off for a few days? No pipes were disconnected but had to push pistons out on calliper to refit it. Did this by removing cap on brake fluid reservoir while i pushed them out.
Brakes now have a bit more travel than they did. Dont know much about air locks and bleeding brakes if u hadn't guessed
#33: Re: bleeding brakes Author: broadblaster, Location: south coastPosted: Sun Nov 04, 2012 3:40 pm ---- as long as you did not dissconect any pipes then no you should not have got any air in the system
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