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Discussion Starter #1
Hi Guys;

i am doing a full brake overhaul on my 1979 Merc 450 slc.
i have the following quetsions and would like your suggestions:

1. please explain me how the pistons should be positioned.There is a recess and a protrusion on the end of the piston that makes contact with the brake pad.Which way shoudl the inner and outer pistons be positioned ?

2. any guidelines on how I should service the master cylinder.

thanks in advance
regards
collin
 

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It Is What It Is, Dude
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As per the Sevice CD;

Attention!
Install piston in such a manner that with fixed caliper
installed the elevation (marked black) on piston is
pointed downward. While braking,this elevation
will cause a one-sided contact of brake pads.
This in turn will reduce a trend towards squealing.


Dave.
 

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Outstanding Contributor , Bob's Your Uncle!
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The explanation is great. But I read that a bunch of times and only with the picture did it make sense.
Somebody able to scan for our new friend?
 

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Discussion Starter #5
I tried. My computer skills, or lack thereof, are woefully inadequate.
Thanks Guys;

i use the info given; and it worked perfectly.

I will tackle the front in two weeks time.

temperature 35 degrees in south africa; better to be at becah than with brake system.

regards
collin
 

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Hi Guys;

i am doing a full brake overhaul on my 1979 Merc 450 slc.
i have the following quetsions and would like your suggestions:

1. please explain me how the pistons should be positioned.There is a recess and a protrusion on the end of the piston that makes contact with the brake pad.Which way shoudl the inner and outer pistons be positioned ?

2. any guidelines on how I should service the master cylinder.

thanks in advance
regards
collin
If you get the manual you will find they require a tool. I just look at how the tool is used and do it by eye.

The master cylinder should only be replaced with a brand new one. Do not try to rebuild it and don't put in a rebuilt unit period.

John Roncallo
 

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Thanks Guys;

i use the info given; and it worked perfectly.

I will tackle the front in two weeks time.

temperature 35 degrees in south africa; better to be at becah than with brake system.

regards
collin
Did you really need help with your brakes or did you just post here to piss us off. I'm assuming you mean 35°C = 95°F. In 4 month we get even.

John Roncallo
 

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Discussion Starter #8
Did you really need help with your brakes or did you just post here to piss us off. I'm assuming you mean 35°C = 95°F. In 4 month we get even.

John Roncallo
john;

no bad intentions here;hope your question was not serious

in four months you will get even ; we have serious winter here; about 22 degrees celcius.

thanks for the great advice on breaks.

regards
collin
 

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in four months you will get even ; we have serious winter here; about 22 degrees celcius.

thanks for the great advice on breaks.

regards
collin
Collin,
Don't take anything here too seriously!

Where in SA are you? We spent 2 1/2 months there a few years back. Bought a car and drove about 5000 miles.

Graham
 

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...and don't be surprise if your brake overhaul topic becomes and angry squirell or other things. It's is just the way thing got done in here. They will help you the best they can and have a ball after that. This is a very helpful and fun forum. Everybody is alive.
 

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john;

no bad intentions here;hope your question was not serious

in four months you will get even ; we have serious winter here; about 22 degrees celcius.

thanks for the great advice on breaks.

regards
collin
Oh no, I dident think you had bad intensions. I just need to vent my jelousy. i get that way when I drive with a hard top on.

John Roncallo
 

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Discussion Starter #12
Hey Graham; I hope you enjoyed your drive in south africa.

I am based in durban ; but lived in cape town and johannesburg in past years.

Did you like the country ?; well if the US qualifies for teh soccer world cup; then maybe a return to South africa in 2010;You can stay with me for the Durban fixtures matches in 2010.

and thanks to all for the warm welcome ( in celcius)

regards
collin
 
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