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Post by tony on Aug 8, 2022 2:18:20 GMT
Hi, everyone
This is my new rule of engagement : "Make sure there is fine brake before starting the engine and shift the gear !!!"
Just last Saturday morning, I thought it was about time to start and drive our lovely Morris again since she'd been there for 2 weeks. This time it took few seconds to start the engine and I shifted the gear in Reverse. I suddenly noticed there was a loss of brake with fast idling. At that time I soon remembered the way my dear Father told me before. I turned off the engine and pulled the handbrake hard. I was so lucky to stop the lovely vehicle very soon and the distance was just 10 meters long. Luckily nothing damaged !!!
Then I found there was no brake fluid in the master cylinder. A month ago I noticed there was a little bit leak there, two weeks later it was fine. I removed the master cylinder and found I am having a big problem of dismantling the master cylinder. The circlip is not the same as one I always see.
The circlip looks like a "Ring". I don't know what material it is made. Shall I break it and get another one ? With the kind of a Ring look-like circlip, does anyone have a good idea?
I know it's very easy to repair master cylinder with a new repair kit. I also have another bad experience twice in installing unpacked and new master cylinders on a big French Vehicle and that two master cylinders had been in stock for tens years.
I attach this link link from my Google cloud.  I am sorry I am unable to insert any pictures here from my Google Cloud.
Many thanks in advance.
Regards
Tony TAIWAN
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Post by dave1800 on Aug 8, 2022 2:25:34 GMT
Hi Tony
Welcome back to the forum! It may be worth clarifying that your car is left hand drive and has the combined master cylinder and servo unlike the UK spec vehicles. Hopefully someone here has experience of this particular issue.
David
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Post by tony on Aug 8, 2022 2:36:36 GMT
Many thanks David, you have helped me so much.
My Morris is Left hand drive. I attach a link about the servo and master cylinder on vehicle. From the picture you can see the coolant radiator with orange fans. This Morris was made in 1969, MK II with automatic transmission. Father and I rebuit the Morris about 8 years ago. See link .
Regards
Tony
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Post by tony on Aug 8, 2022 3:04:17 GMT
Hi, everyone
I happened to get the plunger out by accident. No need to remove the circlip !!! That's a brilliant design I have ever seen !!! I will come back with the pictures taken soon.
Regards
Tony
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Post by tony on Aug 8, 2022 4:08:47 GMT
Hi, Everyone
Now I can repair it with a new repair kit as the bore seems to be fine.
Thanks to the God and my dear Father.
Regards
Tony TAIWAN
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Post by tony on Aug 23, 2022 4:04:51 GMT
Hi, everyone
I am happy to tell that my lovely Morris is back on the road as I have repaired the brake master cylinder with a new repair kit ( link 7 ) which Tony provided and sent to me.
By the way, David asked me if I could use pressure to force the plunger come out of another Used old master cylinder like the way we pressure the pistons out of a caliper. I replied that I would have to remove the Reservoir and so on ( See picture link 6 ) for the job and would probably damage the baffle No. 4. The Used old one has been kept for around 20 years in the basement and its plunger is really stuck. I didn't know how to remove the plunger at that time. I tried to hit it inwards a little bit after using Gunk Liquid New Super Penetrant for a day so that I could know and try to remove the circlip, which became my fault. Then I used Gunk Liquid for many days and tried to heat around the part where the plunger nearby twice. It JUST came out a little bit.
I know if I could repair this one, I will have another spare. But I can't do it now. So I keep it again.
Many thanks to Tony and David.
Regards
Tony
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