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Master Cylinder: Replace or Renew?


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Greetings, 

I have a Girling Brake Master cylinder currently equipped on my MK2 GT6. The bulkhead area underneath the master cylinders has corroded due to a Clutch cylinder leak (now replaced with a NOS Girling). Now would be the opportune time to either rebuild or replace the Master Cylinder. I have a few questions for the more experienced:

1) Rebuild with new seal kit or replace?

2) If replace, should I purchase another Girling or a TRW MC? 

3) If TRW, anyone know where those are manufactured? (No Chinese parts on my vehicles).

Many thanks! 

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6 minutes ago, dougbgt6 said:

AV,

Not sure I'm "more experienced" but, rule No.1, If it ain't broke, don't fix it. 

Doug

Compared to me, you are definitely more experienced. You're advocating not being preventative with the Master Cylinder?

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20 minutes ago, avivalasvegas said:

Compared to me, you are definitely more experienced. You're advocating not being preventative with the Master Cylinder?

If your paranoid about it failing buy a repair kit, ready for when you start getting signs. They do last for years with regularly changing the fluid.

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The master cylinder failed suddenly on my GT6 on Monday morning, 2 hours before MoT test booking! I last replaced it nearly 20 years and 30k miles ago.

I'm fitting a new cylinder over the weekend. In my experience, new seals in old cylinders don't last long. And after so many years, I reckon the car deserves a new master cylinder.

Nigel

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31 minutes ago, avivalasvegas said:

You're advocating not being preventative with the Master Cylinder?

Yup.

Change the engine oil, change the brake fluid, oil the trunions, drive the car.

Something breaks, fix it.

Doug

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6 hours ago, avivalasvegas said:

Signs?

It fails completely, you notice its start to not be as sharp, it leaks, you have to pump more than once. Or you could be unlucky and change for no reason and the new one fail! Your not driving a race car, your driving a forty to 60 year old car that unless its been completely restored if not the brakes failing something else could. So don't drive up the chuff of the person in front, get to know your car and how it feels. Things will brake if you use the car, as with all cars, deal with them as they do. Thats not to say don't change things before, service your car or have it serviced. That should pick up potential failure. If you know how your car feels to drive you should pick up on when something feels different . Then the forum is great for bouncing ideas and solutions. Otherwise your be like me and throw money buying spares it may never use and fixing problems that are never there!

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10 hours ago, Peter Truman said:

Doug not just the Master but The GRAND MASTER & were the blue rocket crew! you've got to acknowledge he deserves the lofty title.

Grand Master and the Blue Rocket Crew... is that our official band now?

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37 minutes ago, Badwolf said:

Pete, are you really a rougue Time Lord

How do you think he knows all this stuff? He goes back to the factory and has a look.  :ph34r:

My favourite Dr Who Master was Missy, played by Michelle Gomez. Looks a bit like Pete :o

Doug

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I have the full set of the radio 'lost in space'. Never come across any recordings of 'Dan Dare'. Archive search coming up. As for rougue time lords, got to be the original Roger Delgado. The true Master. Is Pete's TARDIS the 2000 or a modified/chameleon circuited Commer?

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