72 280SE 4.5 suspension question - Page 2 - Mercedes-Benz Forum

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post #11 of 13 (permalink) Old 01-03-2015, 11:51 PM
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Date registered: Oct 2006
Vehicle: 1965 220SE sedan (finnie) with 450SE conversion, 1964 220SE coupe project, 1966 300SE coupe
Location: Brisbane Australia
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Hmm. The horizontal strut on the rear end only adjusts the position of the rear end across the car, so that assembly is located with the centreline in line with that of the body. The lower rear spring perches can be rotated to one of 3 positions to enable the height to be fine tuned - but why would you have changed them if just renewing components? So just check that nothing was changed there. You can get different thickness rubber pads that go between the springs and the perches - could you have put two thick ones on the left side and two thin ones on the right side, instead of one of each on each side?
As for the front, again you can get different thickness rubbers, so just make sure the correct parts are on both sides.
The springs can have different ratings too - indicated by coloured paint stripes on them - but if you bought them from the CC, they should all be fine? And I can't imagine you getting front and rears mixed up as they are a different diameter? So for the front, with the car on level ground, check if the front subframe looks level relative to the body. That should tell you if the subframe mounts are even on both sides or not. If that relationship is ok, then the change in height between the front sides has to be related to springing or the spring to perch rubbers.

It is all pretty straight forward so why there is a lean is a bit of a mystery to me.
Good luck, Drew
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post #12 of 13 (permalink) Old 01-04-2015, 04:21 AM Thread Starter
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Thank you! I think you nailed it. The rear pads are all correctly placed but I think the perches might have been rotated either during install or
Previously. The front must be related to Subframe and we will have to loosen everything up and be certain to tighten with subframe level to chassis as opposed to what might have been done in past. We also found one of the motor mounts had been replaced with a shorter one, perhaps from 6 cyl. So subframe could have shifted from that. Much appreciated!
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post #13 of 13 (permalink) Old 01-24-2015, 02:16 PM Thread Starter
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Update-top of passenger subframe mount steel (visible below battery tray) was 3/4" tweaked up, as if the car ran over a curb some point in it's life(body is original and undamaged). We have corrected, along with rear perches and car is completely level now. Thanks again to everyone!
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