On Sat, 30 Sep 2023 21:22:17 -0500 "Allan Streib" <astr...@fastmail.fm>
wrote:
> I had the same problem with my '79 300SD when I replaced the front
> calipers. I ended up filing part of the caliper body for clearance. I
> actually now don't remember if the pads didn't fit, or maybe it was the
> caliper that didn't quite fit the bracket without bumping into
> something.
>
> I think different calipers could be used, almost randomly, mainly ATE
> or Girling, not sure if there were others. You need to look at what you
> have and order the same type. I didn't do that.
I think the 1980 also
The service manual in Section 42-220 says,
Attention!
Models 116.024, 116.033, and 116.120 (USA) 1980
are provided with modified calipers with linings 17.5 mm
thick and modified, vented break disks, which are
identified with a groove at their circumference.
So I know something's up with the 1980 300SD. I think the 1980 versions
also used Bendix.
I called the Classic Center, but the fellow could only tell me part
numbers and not what changed.
In looking at the pictures of calipers on RockAuto's website, I see some
calipers which have a raised boss which would move the caliper inboard a
little (which is where my pads don't fit).
I am thinking someone changed the calipers on my 300SD and used the ones
for 1978 or 1979 instead of 1980.
So, I may have to add new calipers to my on-hand new disks and pads.
Craig
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