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Old 11-05-2013, 09:29 AM
fireman1073's Avatar
fireman1073
 
Join Date: Nov 2005
Location: new bedford Massachusetts
Posts: 179
turbo rebuild

I have a 1994 w140 s350 and the turbo seal is gone so I need to rebuild it

problem is I see rebuild kits for earlier 603 garrett turbos but not for my year and model

anyone know where I can buy a rebuild kit or rebuilt center section for my 94 350d?

yeah I know its the 603.971 rod bender but the oil is coming from the turbo going into the intake

thanks....steve

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Old 11-05-2013, 12:51 PM
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Join Date: Sep 2007
Location: Long Beach,CA
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Quote:
Originally Posted by fireman1073 View Post
I have a 1994 w140 s350 and the turbo seal is gone so I need to rebuild it

problem is I see rebuild kits for earlier 603 garrett turbos but not for my year and model

anyone know where I can buy a rebuild kit or rebuilt center section for my 94 350d?

yeah I know its the 603.971 rod bender but the oil is coming from the turbo going into the intake

thanks....steve
Somewhere on the Aluminum Back of the Compressor Housing; that Part attached to the Center/Bearing Housing there is going to be a small Tag with the Mercedes Part Number and the Garrett/Makers part or Model number.
I am assuming you have a Garrette (Air Research) Turbo. If so there is 3 is 3 possible types of seals that can go on the Compressor end.
A Dynamic type seal = Piston Ring type seal
A Carbon Seal
An Encapsulated Seal

The Turbine end always has a Dynamic/Piston Ring type Seal

So you choice is take the Turbo apart and see what type of seals it has and/or use the Numbers on the Part Number Plate to ask the Seller if He can tell what Seals you need.

Please note that cleaning the Turbo and installing new Bearings and Seals falls short of an actually Rebuild. Although most Members have had good luck doing that.
It is possible for the Ring Grooves on the Turbine to be worn beyond spec and the Bearing Bores in the Housing and the Bearing Journals on the Turbine Shaft to be worn beyond spec.
No one has posted specs and from what I have read on various internet sites there is no agreement on even what or how to torque the Shaft Nut.

Where to buy parts is somewhere in the below links:
DIY Repair Links
http://www.peachparts.com/shopforum/forumdisplay.php?f=82
http://www.peachparts.com/Wikka/DoItYourSelf

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