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 Posted: Jul 8, 2019 09:01AM
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Quote:
Originally Posted by Coolingthunder
Okay then, I will give the elbow grease method a try

I will be draining the coolant anyway somewhere next week along with oil, just so I know the right stuff is in there and so I can get a maintenance schedule going. When the fluid is out I will see about replacing the clamps and maybe the hose itself just in case.

Thanks!
You may want to check the water pump seal is not leaking as from the way the rusty water has sprayed all over the engine bay it looks like it may have been leaking from the weep hole you can see in the picture.
It could also be the thermostat gasket or a hose/clamp as posted too but judging by the water the system needsa a good flushing usually a couple of times and general checking over.

If in doubt, flat out. Colin Mc Rae MBE 1968-2007.

Give a car more power and it goes faster on the straights,
make a car lighter and it's faster everywhere. Colin Chapman.

 Posted: Jul 8, 2019 08:52AM
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And yes, clean all electrical connections of the white powder, by disconnecting, cleaning with contact cleaner, a little brass brush, or extra fine sand paper, then reassemble with a little dielectric grease. for safety do this with the battery disconnected, then clean it too.

 Posted: May 25, 2019 10:38PM
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Okay then, I will give the elbow grease method a try

I will be draining the coolant anyway somewhere next week along with oil, just so I know the right stuff is in there and so I can get a maintenance schedule going. When the fluid is out I will see about replacing the clamps and maybe the hose itself just in case.

Thanks!

 Posted: May 25, 2019 09:26PM
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I agree with Willie. I thought you were referring to the silver thing in the top right corner. Its not something I'm familiar with. Maybe a relay for a brake light switch  or a low clutch fluid relay. 

 Posted: May 25, 2019 05:28PM
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US
+1 to the advice above.  Don't replace working parts just because of surface appearances.

And yes, you are correct:  blue = brake master, red = clutch master, yellow is likely from coolant spray.  
Since the car appears to be new to you, clean the spot marked in yellow and keep an eye on it.  There may be a coolant leak around the thermostat housing.  Also make sure that the previous owner had antifreeze in the system and not just plain water.

Doug L.
 Posted: May 25, 2019 04:20PM
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It looks like the rad hose sprayed onto the cylinder head and maybe the other areas like the clutch master cylinder.  You might need a new hose clamp. Soap, water and elbow grease should take care of the brown. If you have good pedal pressure in both cylinders, then leave them alone. Unless the fluids haven't been changed in three years.

 Posted: May 25, 2019 03:14PM
 Edited:  May 25, 2019 03:22PM
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Allright, as suggested for further clarity:

so I guess blue is the brake master cylinder?
Would red be the clutch cylinder?

These are all fairly corroded so I am having a hard time identifying them as they look nothing anymore like the new ones you see online.
As I was drawing lines anyway: Should I be worries about the surface rust circled in yellow?

Should I be thinking about replacing these parts due to the corrosion and rust, or would a good brushing with a steel wire brush and some good cleaning do the trick too? In fact the red circled part has these white deposits on the outside of it.


I just bought the car, I suspect it has not been sitting in a garage for the past years, at least the frame is clean. Alternator (especially the power connectors, but also in general) has the same white-ish deposits.


Sorry for the barrage of questions but this is my first ever Mini (or classic car for that matter) and I am still very much in the learning process. Thanks for your input already!

 Posted: May 25, 2019 02:15PM
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US
Perhaps the OP could use a program like MS Paint to freehand draw a colored border around the part of interest.  

Doug L.
 Posted: May 25, 2019 02:10PM
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US
To me top right would be that little silver box tucked up high.

"How can anything bigger be mini?"

 Posted: May 25, 2019 02:09PM
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The guy said top right. That is the clutch master cylinder; the short metal can with all the rust on it. The taller master cylinder to the left, with the plastic reservoir  is your brake master cylinder.

 Posted: May 25, 2019 12:28PM
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US
yes it is a brake master cylinder, search in the search box, brake master cylinder, this looks like the pre 92 non servo, GMC 227 part #

 Posted: May 25, 2019 09:59AM
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What exactly is the part visible in the top right?
It is showing signs of corrosion and I would like to look into replacing it, but I cannot identify what it is, Haynes is no help either.

Is it the master cylinder? Or something else brake related? Have looked on a few online shops, but cannot find anything that looks like it.

Thanks