[Mgs] mga clutch bleeding

Max Heim mvheim at sonic.net
Wed Aug 9 09:39:24 MDT 2023


Yeah, for some reason this seemingly simple task is often inexplicably difficult.

One factor is that the reservoir capacity is so tiny that it is very easy to inadvertently empty it and allow air into the system, which basically puts you back to square one. It’s like you have to top it off after every stroke. Bob’s method sounds helpful in that regard.

--
Max Heim
'66 MGB

> On Aug 9, 2023, at 5:11 AM, Robert's New iPad <mgbobh at gmail.com> wrote:
> 
> 	Everyone who has ever bled a clutch on MGA or MGB has a sad tale of difficulty to relate. Those who have owned TDs with rods&lever or the cable remember how easy that job of adjustment was.
> 	Everyone has a method that eventually worked.  Mine is to fill as I assume they did at the factory—figure out the quantity of fluid in the entire system, then push that amount in at the clutch with a syringe until MC fills.  The thought is that pushing up from the bottom will take any bubbles along with the fluid to the top.  
> 	Worked for me. Hope it works for you.
> Bob
> 
> 
> On Aug 8, 2023, at 3:44 PM, dave northrup <dave at ranteer.com <mailto:dave at ranteer.com>> wrote:
> 
>> Car is a 58 mga.  Bled the brakes just fine but I can’t get action out of the clutch.
>>  
>> Have speedbleeder on it but that’s not working for me.
>>  
>> Several times the wife pumped the clutch about 10 times with the bleed valve closed, then I would open it and pretty much nothing came out.
>>  
>> If I leave the valve open and pump fluid does come out.
>>  
>> The master is new.  I think the slave is new as well.  I recognize either one could be an out of box failure.
>>  
>> I’ve gone through mgaguru but I don’t see the answer I need. 
>>  
>> So frustrated I’ve thought about replace both the master and slave, but I’m not convinced that’s the problem.
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