[diesel_mercedes] Fuel Economy Check ~ '82 240D Slushbox

 

Only a *tiny* of AC used , Startron added .

521 miles , 26 MPG .

I did a lot of manual shifting this tank so the mileage dropped a bit , still is pretty good for such an old worn out car . 350,000 miles .

The clear plastic intake screen is free of debris but the fuel is still tea colored dammit .

Next time I swap out a fuel tank you can bet I'll scrub it HOSPITAL CLEAN before installing it .

-Nate


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[diesel_mercedes] Rear Axle Service

 



Thanx Mark ! .

I know *exactly* what you're talking about having watched an old Mercedes sales film where they painted the various parts bright primary color then drove it over some really weird undulating pavements with a camera hung under the trunk showing how it all moved .

-Nate
       Mark  wrote :

Well, there's NO torque tube nor DeDion rear axle.  It's the old Mercedes "Swing Axle" that uses an exposed drive line from the transmission to the ring and pinion assembly.  It has a u-joint in the middle and a center, carrier bearing, and is not much different than what the w114/115 and later cars used (from about 1968 on).  The real difference is that instead of a the ring and pinion assembly being mounted on the frame, with two cv-style axles going out to the wheels, this old system has the ring and pinion attached to a mount that pivots at the frame, and a second pivot that splits the otherwise solid rear axle housing into two.  The axle that's inside of the housing side that's not mounted with the ring and pinion has a constant velocity joint.  This allows for "independent rear suspension", sort of.  There's a hefty coil spring that tries to push the two axle housings away from each other.  (On the higher priced cars, the w108, w111/112 and SLs, this spring was replaced by a hydro elastic damper which would compensate for loads to keep the car level.  Elegant in it's simplicity, and an advantage over the later, fully independent rear axle system, but that hydro elastic unit is big $$$$$ to replace!)  It's a lot easier to explain using pictures rather than words alone.

The upshot is that the axle bearings are not that much different to replace than on any old American car or light truck with a live, solid rear axle.  The two axles are pulled using a slide hammer, the old bearings are pushed (or cut) off, and the new bearings are pressed on.

Mark

From: "vwnate1@... [diesel_mercedes]" <diesel_mercedes@yahoogroups.com>
To: "diesel mercedes" <diesel_mercedes@yahoogroups.com>
Sent: Monday, November 9, 2015 12:00:40 PM
Subject: [diesel_mercedes] Rear Axle Service

 



Hi Dexter ;

First , you must put the chassis designation in the header box _every_time_ so those who just skim , but know , will stop and read , maybe be able to offer help .

Next : which particular bearing is bad ? there's a bunch in there , if just a wheel bearing I suggest replacing both and the attendand oil seals .

If a pinion or ring gear bearing , I suggest getting another entire used rear end , re sealing it and then install , drive way happy .

Torque Tube final drives are very sturdy and long lived . if it's failing , one needs to know why before doing more than wheel bearing service to it .

I hope this helps you to proceed .

-Nate
      Dexter  wrote :

My 67 Mercedes 200d has bad rear bearings. The rear axle is honestly weird and I'm not confident enough to tear in yet. From what I can tell it has a torque tube and design based on a De Dion axle. Does anyone have any experience with these?

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[diesel_mercedes] W-123 Sway Bar Bushings

 



O.K. Paul ;

I'm on my crappy old locks up a lot Windows XP tower right now .

Because of the labor involved , I see no way to make this a hassle free job =8-( .

-Nate
     Rob   wrote :

Nate,

Enough detail to complete the front sway bar bushings without extra hassle.
What has to be removed?
Any other things to know?
Pics are good.

Thanks

Rob
'85 300D
Garden Grove, CA
=

On 11/9/15 10:56 AM, vwnate1@... [diesel_mercedes] wrote:

Done .

Whew ! not for the weak .

How much detail do you want Rob ? .

I took some pix as I went along .

It drives nice again , no more squeak / klunk .

-Nate

      Rob   wrote :

Nate,

let us know how it goes with the sway bar bushings. I need to do that too on the front.

Rob
=

On 11/5/15 6:14 AM, vwnate1@... [diesel_mercedes] wrote:
I'm just waiting for a bit more sunrise before going back to attack this again .

I was inspecting the four new round sway bar to control arm bushings and noticed they have 116 part numbers .


I've been taking pictures as I go along , it turns out this job isn't nearly as bad as I initially thought .


-Nate



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