[ROVERNET - UK] Bleeding brakes!

Steven Dibdin sdibdin at hotmail.com
Wed May 2 21:06:31 BST 2007


Hi Slats,

Intreging solution. I'll do some research, it may make sense to have a go at 
making one. Thanks for the tip.

Regards,

Steven


>From: "Slatskars" <slatskars at comcast.net>
>Reply-To: rovernet at lyris.ccdata.com
>To: <rovernet at lyris.ccdata.com>
>Subject: Re: [ROVERNET - UK] Bleeding brakes!
>Date: Wed, 2 May 2007 12:49:54 -0700
>
>Just thought that I would mention another way of servicing brakes and 
>clutches. That is to use a pressure vessel loaded with brake fluid and 
>force it backwards from the wheel or slave cylinders. I had extreme 
>difficult bleeding a clutch system once (no check valve) and use this 
>method. Worked like a champ. I rented a pressure system from a brake shop 
>for a few hours. Keep meaning to make one.
>
>Slats
>----- Original Message ----- From: "Roger.Matheson" 
><roger.matheson at bigpond.com>
>To: <rovernet at lyris.ccdata.com>
>Sent: Wednesday, May 02, 2007 6:34 AM
>Subject: Re: [ROVERNET - UK] Bleeding brakes!
>
>
>>Hi Steven,
>>
>>When you refer to a mity vac, does this mean a vacume device sucking fluid 
>>through from one of the callipers?  I have found air pressure effective. I 
>>made up a new cap for the resevoir and connected it to 5 lbs air pressure. 
>>Releasing a blead screw allows the compresed air to push the fluid 
>>through. Obviosly you need to watch the level of fluid but you can move a 
>>lot of fluid quickly with this technique.  The last time I bled a recon 
>>servo I connected a resevoir with a little fluid in it with a short pipe 
>>above the servo outlet.  Pumping the pedal through full strokes very 
>>quickly eliminated air which I could see as bubbles in my dummy resevoir. 
>>From what you say it seems that there is still air in the second servo.
>>
>>Use spare blead screws in the outlets of the master (same thread)  A solid 
>>pedal will confirm the master is OK.  With air out of the servos by the 
>>above technique, lack of pedal can only mean air in the lines and in the 
>>callipers.  Use the compressed air method, push fliud out of the rear 
>>bleader (90% of the contents of the resevoir should be enough to change 
>>the total volume in this circuit.  Do the same with the front (furthest 
>>from the servos then the front nearest).
>>
>>If you still have no pedal then there must be a fault in the seals/bores 
>>of the master and or the servos, or there is excessive play betwen the 
>>pads and disks.  Are there any leaks or bulging in the flexible pipes at 
>>he callipers?  Have you been using fresh fluid each time (fluid used for 
>>bleading can contain small air bubbles).  I have not found it necessary to 
>>start the engine, or raise the rear.  In relation to previous discussions, 
>>the blead screw on the rear is of course lower than the inlet pipe Stand 
>>well and trully corrected.
>>
>>Cheers Roger
>>
>>----- Original Message ----- From: "Steven Dibdin" <sdibdin at hotmail.com>
>>To: <rovernet at lyris.ccdata.com>
>>Sent: Wednesday, May 02, 2007 4:14 AM
>>Subject: [ROVERNET - UK] Bleeding brakes!
>>
>>p://autos.groups.yahoo.com/group/Rover_net/
>
>
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