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  #1  
Old 06-24-2020, 05:12 PM
wrench dropper
 
Join Date: Oct 2014
Location: very very very Nor-Cal
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W123 300TD owners: which rear spring spacer?

So I got new springs for the rear of my 1982 W123 300TD, but they don't have the paint on the lower coil that is supposed to indicate whether I use the 9.5mm spacer or the 14mm spacer. Should I just use the 14? Or even go with the 19mm, for a little extra height?


I'm in USA and using the 123 324 06 04 spring which is what the FSM indicates for my vehicle.

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  #2  
Old 06-24-2020, 11:52 PM
vwnate1's Avatar
Diesel Dandy
 
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Post Wagon Springs

Myself I like to have the suspension high and fairly firm .

I'd go with the thickest spacer you can get, more so if you haul things or tow with it .
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  #3  
Old 07-04-2020, 04:33 AM
wrench dropper
 
Join Date: Oct 2014
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Quote:
Originally Posted by vwnate1 View Post
Myself I like to have the suspension high and fairly firm .

I'd go with the thickest spacer you can get, more so if you haul things or tow with it .
That's what I did. The FSM suggests either the 9.5mm or the 14mm, so I ordered the 19mm. :-)

I'll report back on how it goes. I had the rear end aligned a year or so ago and I'll take it in again after the springs and spacers are replaced. I'm moderately confident the rear can still be aligned properly with the taller spacers.
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  #4  
Old 07-05-2020, 03:32 PM
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Diesel Dandy
 
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Post W123 Rear Suspension Alignment

I've been told there is no adjustment possible in the rear suspension's alignment....

Once you've replaced the wobbly worn out bushings there's no more 'rear steer'.
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1982 240D 408,XXX miles
Ignorance is the mother of suspicion and fear is the father

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  #5  
Old 07-05-2020, 08:38 PM
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underinflated and old tires with weak sidewalls give rear steer also.
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  #6  
Old 07-06-2020, 11:28 PM
vwnate1's Avatar
Diesel Dandy
 
Join Date: Nov 2005
Location: Sunny So. Cal. !
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Post Rear Steer

Just so ! .

That's why I never buy cheap tires and always monitor the inflation pressures when cold, very closely .

Low co$t tires are always a fool's errand, they don't last as long either making them more expen$ive in the long run .
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1982 240D 408,XXX miles
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  #7  
Old 07-07-2020, 05:12 AM
t walgamuth's Avatar
dieselarchitect
 
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Because of the leverage of the suspension whatever the thickness of the pad will result in about double the height at the wheel. IOW a half inch thicker pad will raise the back an inch.
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  #8  
Old 07-08-2020, 01:32 PM
wrench dropper
 
Join Date: Oct 2014
Location: very very very Nor-Cal
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An inch higher in the rear sounds great!
My tires are good. I use Les Shwab's finest 205/70/14's.
Not sure about the rear bushings and differential mount but I'll have the mechanic take a look when he puts the new springs and spacers in. The car handles beautifully, now that I replaced the steering box and front shocks.
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  #9  
Old 07-08-2020, 02:01 PM
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Join Date: Feb 2011
Location: Modesto CA
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Quote:
Originally Posted by 300TD1982 View Post
So I got new springs for the rear of my 1982 W123 300TD, but they don't have the paint on the lower coil that is supposed to indicate whether I use the 9.5mm spacer or the 14mm spacer. Should I just use the 14? Or even go with the 19mm, for a little extra height?
I'm in USA and using the 123 324 06 04 spring which is what the FSM indicates for my vehicle.

If, in fact, the vehicle in question is a TD, and is as delivered, it is equipped with a Self Leveling System (SLS). Changing the thickness of the spring pad will not change the ride height because the ride height is determined by the SLS.

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