[W126 Coupe] Transmission "Clunk" - But only when selecting Reverse Gear

[Jonathan]

B2 effects forward gears, ie, if your B2 fails you lose all forward 
gears but still have reverse.

Loss of reverse is a 5$ seal buried in the middle of the transmission as 
Mike mentioned.

Jonathan

Edward Chin wrote:

>

> Is this the B2 Piston problem being discussed?

>

>  

>

> Eddie

>

>  

>

> ------------------------------------------------------------------------

>

> *From:* mbcoupes-bounces at mbcoupes.com 

> [mailto:mbcoupes-bounces at mbcoupes.com] *On Behalf Of *Jonathan

> *Sent:* Wednesday, January 02, 2008 6:40 AM

> *To:* Mercedes Coupes Mailing Lists

> *Subject:* Re: [W126 Coupe] Transmission "Clunk" - But only when 

> selecting Reverse Gear

>

>  

>

> Hello Mike,

>

> Sadly, there isn't anything you can do..what you are describing is the 

> initial signs of a transmission that's on it's way out.  Fortunately, 

> even if you lose reverse you'll still have your forward gears.  My 

> advice would be to try to park the car as though you do not have 

> reverse..only using it when you Need it will help lengthen it's life.

>

> In order to fix the problem the transmission needs to come and re-done.

>

> Jonathan

>

> Mike Taylor wrote:

>

> On my 1988 560SEC the auto transmission (original) works great in 

> forward gears, with very smooth change-ups.  I've had the trans fluid 

> changed at recommended intervals.   But on selecting reverse gear 

> there is a big clunk and the car initially jolts backwards, sometimes 

> quite violently, with or without the brake pedal pressed.

>

>  

>

> I've searched the archives and can't see anything specific to reverse 

> gear.  Does anyone know if there is an adjustment or anything to 

> remedy this ?

>

>  

>

> I'd not want to do anything that may affect the forward gears as they 

> are currently very smooth, but appreciate any help if anyone else has 

> had this.

>

>  

>

> Cheers,

>

> Mike

>

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>

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>

>  

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> Postings remain property of MB Coupes, L.L.C.

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>

> -- 

> Blue Ridge Mercedes

> Offering Enthusiast Service, Restoration and Modification.

> Providing quality parts to discriminating customers in all parts of the world.

> Located in the Greater Atlanta area.

> http://www.blueridgemb.com

> *Updates weekly*

>  

> 1996 S600 Euro "Scharnhorst"

> 1991 560 SEC Euro ECE Conv. (for sale)

> 1991 560 SEC 226Hp/271ft/lbs (TT conversion IP)

> 1989 560 SEC Euro ECE *Parts*

> 1988 300 TE

> 1989 560 SEC AMG (Mech.lifter/radical cam conv.)

> 1986 560 SEL 6.0L 32V AMG

> 1980 280 SE Euro

> 2006 Z4 3.0Si M-Spec

> ------------------------------------------------------------------------

>

> The MB Coupes Website!

> W126 SEC Mailing List

> Postings remain property of MB Coupes, L.L.C.



-- 
Blue Ridge Mercedes
Offering Enthusiast Service, Restoration and Modification.
Providing quality parts to discriminating customers in all parts of the world.
Located in the Greater Atlanta area.
http://www.blueridgemb.com
*Updates weekly*

1996 S600 Euro "Scharnhorst"
1991 560 SEC Euro ECE Conv. (for sale)
1991 560 SEC 226Hp/271ft/lbs (TT conversion IP)
1989 560 SEC Euro ECE *Parts*
1988 300 TE
1989 560 SEC AMG (Mech.lifter/radical cam conv.)
1986 560 SEL 6.0L 32V AMG
1980 280 SE Euro
2006 Z4 3.0Si M-Spec

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