Rear Brakes ??? - Mercedes-Benz Forum

 
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post #1 of 3 (permalink) Old 02-14-2013, 04:07 PM Thread Starter
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Date registered: Dec 2011
Vehicle: 1967 W108 250s
Location: Oregon
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Rear Brakes ???

This week Ive dedicated some time to rebuilding my rear calipers. Received my parts from Auto haus AZ. I have since become aware that my w108 has two different sizes of pistons used in the calipers (Driver side big passenger side small) I'm thinking this is the stock set up because of the added pressure regulating valve mounted by the rear axle. Has anyone run into this and what is the correct rebuild kit for the passenger side rear from Auto hausaz or another supplier???

also the drivers side uses piston guides in the calipers and the passenger side does not.

If anyone could shed some light Id be thankful
Cheers
Dave
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post #2 of 3 (permalink) Old 02-14-2013, 04:57 PM
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the pistons are same size on both sides , one is the wrong one .the kits numbers are 000 586 15 43 .calipers are 000 420 46 83 left and 47 83 right .
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post #3 of 3 (permalink) Old 02-14-2013, 06:16 PM Thread Starter
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Date registered: Dec 2011
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That is just wonderful. I thought I recalled reading somewhere they were different sizes. couldn't find the article. might have been front to back. Guess Ill replace the passenger rear side as the driver side caliper is the correct size for the rebuild kit. Looks like this was somebodies wrecking yard fix, noticed the bleeding valves are a little different also.
Thanks for the help thinking this through.
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