Re: [diesel_mercedes] Re: Tranny Shift RPM

 

What shift flares?
1-2, 2-3, 3-4?

The modulator can be adjusted by removing the cap and turning the key.

Another thing is the kickdown switch under the pedal can get stuck on.

Rob
'85 300D
Garden Grove, CA

On 2/6/15 1:56 AM, diesel_mercedes@yahoogroups.com wrote:
> Re: Tranny Shift RPM
> Posted by: "Roland Hyatt"wrolandhyattjr@sbcglobal.net wrolandhyattjr
> Date: Thu Feb 5, 2015 10:03 am ((PST))
>
> I have a 1980 240D with auto. I am having a terrible time getting it to
> shift right. There is no throttle connection to the tranny. It is all
> vacuum control - at least that's how I understand it. It would hold the
> 1 -2 shift until high rpm, even with east throttle - very annoying. I
> finally disconnected the vacuum completely. Now, with extremely easy
> throttle, it shifts beautifully. But, if I use any throttle at all, it
> flares terribly.
>
> There doesn't seem to be a vacuum diagram for this model anywhere. I've
> looked.
>
> Any ideas?
>
> Roland Hyatt
> Fallon, Nevada

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Re: [diesel_mercedes] Tranny Shift RPM

 

So, whats the thinking on a 4200rpm shift? Max

On Fri, Feb 6, 2015 at 1:25 PM, vwnate1@yahoo.com [diesel_mercedes] <diesel_mercedes@yahoogroups.com> wrote:




Um........

-Nate
      Alan  wrote :

Have to, the propane injector doesn't kick in until then.

On Wed, Feb 4, 2015 at 4:26 PM, vwnate1@... [diesel_mercedes] <diesel_mercedes@yahoogroups.com> wrote:
 


I do hope you're not driving it to 4,500 RPM on a regular basis ! .

-Nate
 
      Francis > wrote :

I thought mine had a failing B2.  Flaring 3-4 shift, it was in Fourth gear by 25mph.  WOT was better. Downshifting was not a problem, it did that very well.

I did a little research on the shift points and where it should be shifting.

It took 6 1/2 turns of the Bowden adjusting nut in order to get it to shift at 4500 rpm at WOT. Now there is zero flare at any speed or any pedal pressure.I backed out the "T" adjuster on the vacuum modulator 1/2 turn. Smoother shifts.


The car feels a lot faster and much smoother.

Post adjustment. WOT. 1982 300 WOT after Bowden cable adjustment
1982 300 WOT after Bowden cable adjustment
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--
Al Boucher



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Posted by: Max temple <jasperezra@gmail.com>
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[diesel_mercedes] E.T.Y. Gone , Now H.C. Parts

 



That's his buddy ;

Tom and I need to go over there , I need routine Mtce. things .

-Nate
       Brian  wrote :

Nate, did you know they left Eagle Rock? New location is on Garvey in Rosemead. This should give you the info   Auto Parts Warehouse for European and Asian parts in Los Angeles CA eagle rock

 



brian

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[diesel_mercedes] Tranny Shift RPM

 



Um........

-Nate
      Alan  wrote :

Have to, the propane injector doesn't kick in until then.

On Wed, Feb 4, 2015 at 4:26 PM, vwnate1@... [diesel_mercedes] <diesel_mercedes@yahoogroups.com> wrote:
 


I do hope you're not driving it to 4,500 RPM on a regular basis ! .

-Nate
 
      Francis > wrote :

I thought mine had a failing B2.  Flaring 3-4 shift, it was in Fourth gear by 25mph.  WOT was better. Downshifting was not a problem, it did that very well.

I did a little research on the shift points and where it should be shifting.

It took 6 1/2 turns of the Bowden adjusting nut in order to get it to shift at 4500 rpm at WOT. Now there is zero flare at any speed or any pedal pressure.I backed out the "T" adjuster on the vacuum modulator 1/2 turn. Smoother shifts.


The car feels a lot faster and much smoother.

Post adjustment. WOT. 1982 300 WOT after Bowden cable adjustment
1982 300 WOT after Bowden cable adjustment
This feature is not available right now. Please try again later.
Preview by Yahoo

 




--
Al Boucher

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