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Brake bleeding
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ukdave2002



Joined: 23 Nov 2007
Posts: 4240
Location: South Cheshire
PostPosted: Thu Jul 10, 2025 4:00 pm    Post subject: Reply with quote
alastairq wrote:
Sometimes....the actual position of the bleed screw also affects the ability to expel any air.
Particularly concerning certain clutch slave cylinders....where the bleeder gets positioned , not exactly at the 'highest ' point.
MGA/B's clutch slaves are like that!
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alastairq



Joined: 14 Oct 2016
Posts: 2121
Location: East Yorkshire
PostPosted: Thu Jul 10, 2025 4:56 pm    Post subject: Reply with quote
ukdave2002 wrote:
MGA/B's clutch slaves are like that!


Thanks...I suspected I wasn't going gaga!

I wondered if there was a screw-in replacement for the bleeder on the slave, leading to a pipe with led to another bleeder located higher up in the engine bay ? {Easier to get at without the crawling under process?]
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Dellow Mk2, 1951 built, reg 1952.
Fiat 126 BIS
Cannon special [1996 registered. Built in 1950's]
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Ford Pop chassis, Ashley 1172 bodyshell, in pieces.
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Penman



Joined: 23 Nov 2007
Posts: 4863
Location: Swindon, Wilts.
PostPosted: Thu Jul 10, 2025 7:32 pm    Post subject: Reply with quote
I remember having a Renault which had to have a bleed valve at the highest point on the heater hose run because it was way above the filler cap, expansion tank and even the top of the radiator.
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Rusty



Joined: 10 Feb 2009
Posts: 278
Location: Bunbury, Western Australia
PostPosted: Fri Jul 11, 2025 2:44 am    Post subject: Reply with quote
We had a model of locally assembled Dodges out here circa about 1960 that had brakes notorious for being impossible to bleed, and the reason ended up being an air trap under the brake light pressure switch which was mounted on top of the fluid line and under the floor. Once the problem was found out about, all you had to do was get someone to hold the pedal down and crack the switch until the air came out and all was fine.
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Southernscouse



Joined: 30 May 2024
Posts: 26
Location: Havant Hampshire
PostPosted: Mon Jul 28, 2025 5:09 pm    Post subject: Brake bleeding Reply with quote
At last success I have brakes adjusted all brakes so they were fully on bled the system yet again had so pedal pressure at last while I was at it noticed that the front brakes were near the limit of the adjustment so replaced the brake linings pedal position was better and pedal was firm thanks to everyone with comments and ideas problem now solved
L
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