Re: [diesel_mercedes] In Case You Feel Our Cars Are Underappreciated....

begin:vcard
fn:Joe Hupp
n:Hupp;Joe
org:Fletcher International Exports;FSP
adr:;;Lot 11 Yarrandale Road;Dubbo;NSW;2830;Australia
email;internet:josephhupp@bigpond.com
title:Labourer
tel;work:02 68013100
tel;fax:02 68371173
tel;home:02 68845252
tel;cell:0439895121
url:http://www.fletchint.com.au
version:2.1
end:vcard

I'd kill to own a W123 just for that fact alone!

These cars were built in an era where all you needed to work on them was
a set of ROE (Ring/Open End) spanners, a pair of pliers, a set of
screwdrivers, a socket set and a set of Allen keys.... they had no
computers, no worrisome common rail direct injection, no sensors on
every part of the engine. They were simple, meat and vegetable kinds of
cars which had a certain charm about them, and they still do to this
day! A friend of mine had a 1982 W123 300D with an automatic
transmission - he ended up selling it and I wish I knew then as I'd have
brought it off him! His 300D was originally a diplomatic car, owned by
the Australian High Commissioner to Mozambique and had a mega low
130,000 kilometres on it when he owned it (according to the car's
service manual). Yes, the manuals were still with the car at the time -
which confirmed it's absolute originality to me. The OM617 did not even
leak a ounce of oil - looked at it and it was immaculate!

Finding a good condition W123 in Australia is a little harder than
finding a later model Mercedes-Benz diesel - for the fact that a lot of
them have already been restored!

Joe

__._,_.___

Posted by: Joe Hupp <josephhupp@bigpond.com>

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[diesel_mercedes] In Case You Feel Our Cars Are Underappreciated....

7 smart classics for under $7k

1976–85 Mercedes-Benz W123 Series

1978 Mercedes-Benz 300-Series erik_d777

Keep in mind that in this article we're not necessarily talking about vehicles with power and prestige, but instead we’re looking at wonderful choices for that first-time buyer that won’t break the bank. That sentiment brings us here, to the Mercedes-Benz W123 series built from 1976–85. These are “forever cars,” meaning that if properly maintained they will run indefinitely. Combine that with an interior that wears like iron and you’ve got what just might be the best series of cars the companies ever built. The W123 series was built at a time Mercedes-Benz over engineered everything. They have tank-like construction, they’re classically elegant, and whether you opt for a four-door, estate, or coupe, you simply can’t lose.

Many of the W123s, especially those sold in the U.S., were turbo diesels and that meant speed was in short supply. In 1985, power was just over 120 hp with just under 200 lb-ft of torque. The shining light was that you could option one with a manual transmission, thus making them a bit more fun.

For such a well-built machine, the old W123s are on top of that actually quite easy to maintain and parts are readily available. They’re also beautiful to look at, and when you throw on a nice set of wheels and perhaps drop them a few inches, then you’ve got something that people will take notice of. Oh, and they’ll also run for around half-a-million miles without really breaking a sweat. These can be picked up all day long for between $4K–$7K. Make sure to find one with a documented service history before you buy, as not only will that educate you on what’s been done to the vehicle, but it will also add to the vehicle’s overall value.

For the rest of the article:

https://forums.hagerty.com/t/7-smart-classics-for-under-7k/10478

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Posted by: MARK BRAUER <beeser@comcast.net>

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Re: [diesel_mercedes] Turbo Boost Adjustment

Here's a couple more

How to Fix Garrett T3 Turbo Wastegate and Turbine Housing Problems

https://www.youtube.com/watch?v=Y7d-Vc8rJP8

OM617 Garrett Wastegate Adjust - Spring Removal

https://www.youtube.com/watch?v=lGYNCNt76f0

On 9/7/18 1:54 AM, corvallis@peoplepc.com [diesel_mercedes] wrote:

Hi Nate,

I did several google searches – mercedes Garrett turbochargers

https://www.google.com/search?source=hp&ei=VzySW968CaP59APczYnYAw&q=mercedes+Garrett+turbochargers&btnK=Google+Search&oq=mercedes+Garrett+turbochargers&gs_l=psy-ab.3...1753.4788...8390...0.0..0.130.436.3j2......0....1j2..gws-wiz.....0..35i39.lFNAxx3vb04

and - Youtube mercedes Garrett turbochargers

https://www.google.com/search?rlz=1C2AJZK_enUS770&ei=DzySW7-4Me7C0PEPk728gAc&q=Youtube+mercedes+Garrett+turbochargers&oq=Youtube+mercedes+Garrett+turbochargers&gs_l=psy-ab.12...3399.22713...24480...0.0..0.97.951.12......0....1..gws-wiz.......35i39.D9Yjn-7C8Dg

Bill in Oregon

============================================

From: diesel_mercedes@yahoogroups.com <diesel_mercedes@yahoogroups.com>
Sent: Thursday, September 6, 2018 5:01 PM
To: diesel_mercedes@yahoogroups.com
Subject: [diesel_mercedes] Turbo Boost Adjustment

Thanx Rob ! .

I'm glad you saved this because the links are all dead except this one that goes to a blank page, prolly just to save the domain : http://ww1.diymbrepair.com/

I have copied and saved these directions .

There's one more thing to test that I'm pretty sure is not right on my car, I'll test it when I get home before i do this .

I wish there were pictures to go along with it as there is more than one configuration to the Garret T3 turbochargers .

-Nate

======================================================

       Rob wrote :

Hi Nate,

Years ago I saved this article and adjusted my Turbo just a bit.

See below

I don't know if the link addresses are still good.

Rob

'85 300D

=

http://diymbrepair.com/easley/wgate.htm
Turbocharger Wastegate Valve
Spring Tension Adjustment for 617 Engines

Introduction

The technical material for this FAQ (Frequently Asked Question) was provided by Stu Ritter of Stu Ritter Mercedes-Benz Technician, Inc. of Denver, Colorado, was edited by Richard Easley of Baylor University, and is provided as a service to the subscribers of the Mercedes-Benz Discussion List.

To receive similar quality tips as described below on a daily basis, consider subscribing to the Mercedes-Benz Discussion List, which is located at the following site:

http://hsb.baylor.edu/html/easley/mercedes/welcome.html

Assumptions

Using the categories of mechanical ability from the Mercedes-Benz Discussion List <http://hsb.baylor.edu/html/easley/mercedes/subscribe.html>, you need to be at the level of "Medium Do-It-Yourselfer" at minimum, to check the boost pressure. If you are below that level, you may want to provide these instructions for someone who is at the medium level or beyond..

Introduction

Garrett Turbochargers

If you have a Garrett turbocharger (w/ wastegate adjustment inside cover), removing the cover takes some time and perserverance. It is not particularly difficult, just tedious. Make sure that the turbo area is cool (use a fan between adjustments) and when re-installing the spring, "squeeze" it to reduce its diameter before inserting. Then, with a screwdriver push on the flat part of the spring until it seats.

KKK Turbocharger

If you have a KKK turbo, the adjusting screw sticks right out of the top (sideways on engine) of the wastegate chamber and does not require removal of a cap.

Caveats

Remember both of these turbos are capable of over 40 pounds per square inch of boost and they run against an open wastegate all the time so these adjustments are really critical. Don't get carried away or you are going to buy a motor. However, please note that it is hard to get a tremendous amount of boost (i.e., well beyond safe ranges) from an original 617 turbo now that the cars have a few years on them now and the springs are fatigued somewhat. Still, confidently proceed with caution.

If you have an exhaust temp gauge in-line you can carry the boost procedure a little further, but even at 0.9 bar (upper limit of factory specifications) they just fly.

Preliminary steps necessary before adjusting wastegate valve spring tension

Prior to adjusting the wastegate valve spring tension, there are two necessary preliminary steps that need to be taken, each of which is provided at this web site: http://hsb.baylor.edu/html/easley/mercedes/mercedes.html and is referenced below:

   1. The first step is to ensure that the injection pump is timed correctly. This procedure is described on the following web page:
   2. http://hsb.baylor.edu/html/easley/iptiming.htm Checking the boost sensing lines and overboost sensing switch is the next step in this process and is described on the following webpage:
   3. http://hsb.baylor.edu/html/easley/boostchk.htm After successful completion of the above two steps, you are now ready to adjust the wastegate valve spring tension (i.e., boost adjustment).

Tools needed for adjusting wastegate valve spring tension on turbocharger

   1. High quality vacuum/pressure gauge (needed for checking boost pressure only)
   2. "T" fitting for vacuum gauge and 6 - 8 foot length of vacuum hose for monitoring boost pressure while driving vehicle (needed for checking boost pressure only)
   3. Phillips screwdriver
   4. 10 mm socket and 1/4" drive ratchet and extension for removing air horn
   5. Pliers for removing sensor hose clamps at turbocharger
   6. Small mirror for clarity during cover removal
   7. High powered flashlight or shoplight

Instructions

   1. Remove the u-shaped air intake and the intake to the air cleaner. Make sure to re-install before testing boost pressure.
   2. Cool the turbo area with fan.
   3. Spray the cap cover "spring" area with Liquid Wrench or other similar solvent.
   4. Using a couple of small screwdrivers (a very thin bladed 5-8" shafted one is great), "spin" the spring around until it starts popping out.
   5. Pull out the spring with needlenose pliers or fingers.
   6. Remove wastegate valve cover. Be careful not to damage the rubber seal behind cap (but attached to body of turbocharger) when removing. There will likely be a small quantity of oil that will leak out when the cover is removed; this is normal – not a problem.
   7. Completely remove locknut on wastegate valve.
   8. Make a note of measured length of exposed threads on valve.
   9. Turn spring assembly (it has flat, thin edges for wrench) clockwise. Begin with 3 full turns - it sounds like too much, but it isn't! If our approximations are
      correct, for every 1/8" of threads exposed (by screwing spring assembly in),
      this equates to 0.15-0.20 bar of boost.
10. Reverse disassembly procedure. To reinstall spring as easy as possible:

   1. Make sure that you've thoroughly cleaned the groove where the spring
      resides.
   2. Make sure that the spring is thoroughly clean.
   3. Lightly file or grind the flat side of the spring at each end so that it's
      shiny. This enables you to manuever better when inserting 'cause shiny end
      shows.
   4. Make sure that rubber gasket is firmly seated before replacing cover.
   5. Compress spring with fingers to reduce diameter when placing in groove.
      And, push cover hard simultaneously.
   6. Then, push spring with biggest screwdriver that you can use. Tap
      screwdriver with rubber hammer. You should "feel" spring seat.
   7. Do this only on fan-cooled turbo area.

   1. Road test using Stu's guidelines: having the boost gauge in the car, start driving a fully warmed up motor and engage "S" and go up to 4,000 rpm and full throttle, read the boost. Good luck and hold on to your hat.
   2. If further adjustment is needed, cool turbo area with fan.

Finally

      Please let me know if you complete this procedure successfully; it took a while to type this, and I'd appreciate knowing when each person has completed the repair! Please e-mail me at richard_easley@...



      ©1998
      Richard Easley, Waco, Texas and Stu Ritter, Denver, Colorado.
      The Mercedes-Benz Discussion List is not affiliated with any other Mercedes-Benz electronic discussion lists nor is it affiliated with Mercedes-Benz of North America or any of its subsidiaries.

=====

__._,_.___

Posted by: Aleph93 <aleph93@ca.rr.com>

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RE: [diesel_mercedes] Turbo Links

Wow, THANK YOU .

-Nate

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Posted by: vwnate1@yahoo.com

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RE: [diesel_mercedes] Turbo Boost Adjustment

Hi Nate,

I did several google searches – mercedes Garrett turbochargers

https://www.google.com/search?source=hp&ei=VzySW968CaP59APczYnYAw&q=mercedes+Garrett+turbochargers&btnK=Google+Search&oq=mercedes+Garrett+turbochargers&gs_l=psy-ab.3...1753.4788..8390...0.0..0.130.436.3j2......0....1j2..gws-wiz......0..35i39.lFNAxx3vb04

and - Youtube mercedes Garrett turbochargers

https://www.google.com/search?rlz=1C2AJZK_enUS770&ei=DzySW7-4Me7C0PEPk728gAc&q=Youtube+mercedes+Garrett+turbochargers&oq=Youtube+mercedes+Garrett+turbochargers&gs_l=psy-ab.12...3399.22713..24480...0.0..0.97.951.12......0.....1..gws-wiz.......35i39.D9Yjn-7C8Dg

Bill in Oregon

============================================

From: diesel_mercedes@yahoogroups.com <diesel_mercedes@yahoogroups.com>
Sent: Thursday, September 6, 2018 5:01 PM
To: diesel_mercedes@yahoogroups.com
Subject: [diesel_mercedes] Turbo Boost Adjustment

Thanx Rob ! .

I'm glad you saved this because the links are all dead except this one that goes to a blank page, prolly just to save the domain : http://ww1.diymbrepair.com/

I have copied and saved these directions .

There's one more thing to test that I'm pretty sure is not right on my car, I'll test it when I get home before i do this .

I wish there were pictures to go along with it as there is more than one configuration to the Garret T3 turbochargers .

-Nate

======================================================

Rob wrote :

Hi Nate,

Years ago I saved this article and adjusted my Turbo just a bit.

See below

I don't know if the link addresses are still good.

Rob

'85 300D

http://diymbrepair.com/easley/wgate.htm
Turbocharger Wastegate Valve
Spring Tension Adjustment for 617 Engines

Introduction

The technical material for this FAQ (Frequently Asked Question) was provided by Stu Ritter of Stu Ritter Mercedes-Benz Technician, Inc. of Denver, Colorado, was edited by Richard Easley of Baylor University, and is provided as a service to the subscribers of the Mercedes-Benz Discussion List.

To receive similar quality tips as described below on a daily basis, consider subscribing to the Mercedes-Benz Discussion List, which is located at the following site:

http://hsb.baylor.edu/html/easley/mercedes/welcome.html

Assumptions

Using the categories of mechanical ability from the Mercedes-Benz Discussion List <http://hsb.baylor.edu/html/easley/mercedes/subscribe.html>, you need to be at the level of "Medium Do-It-Yourselfer" at minimum, to check the boost pressure. If you are below that level, you may want to provide these instructions for someone who is at the medium level or beyond.

Introduction

Garrett Turbochargers

If you have a Garrett turbocharger (w/ wastegate adjustment inside cover), removing the cover takes some time and perserverance. It is not particularly difficult, just tedious. Make sure that the turbo area is cool (use a fan between adjustments) and when re-installing the spring, "squeeze" it to reduce its diameter before inserting. Then, with a screwdriver push on the flat part of the spring until it seats..

KKK Turbocharger

If you have a KKK turbo, the adjusting screw sticks right out of the top (sideways on engine) of the wastegate chamber and does not require removal of a cap.

Caveats

Remember both of these turbos are capable of over 40 pounds per square inch of boost and they run against an open wastegate all the time so these adjustments are really critical. Don't get carried away or you are going to buy a motor. However, please note that it is hard to get a tremendous amount of boost (i.e., well beyond safe ranges) from an original 617 turbo now that the cars have a few years on them now and the springs are fatigued somewhat. Still, confidently proceed with caution.

If you have an exhaust temp gauge in-line you can carry the boost procedure a little further, but even at 0.9 bar (upper limit of factory specifications) they just fly.

Preliminary steps necessary before adjusting wastegate valve spring tension

Prior to adjusting the wastegate valve spring tension, there are two necessary preliminary steps that need to be taken, each of which is provided at this web site: http://hsb.baylor.edu/html/easley/mercedes/mercedes.html and is referenced below:

   1. The first step is to ensure that the injection pump is timed correctly. This procedure is described on the following web page:
   2. http://hsb.baylor.edu/html/easley/iptiming.htm Checking the boost sensing lines and overboost sensing switch is the next step in this process and is described on the following webpage:
   3. http://hsb.baylor.edu/html/easley/boostchk.htm After successful completion of the above two steps, you are now ready to adjust the wastegate valve spring tension (i.e.., boost adjustment).

Tools needed for adjusting wastegate valve spring tension on turbocharger

   1. High quality vacuum/pressure gauge (needed for checking boost pressure only)
   2. "T" fitting for vacuum gauge and 6 - 8 foot length of vacuum hose for monitoring boost pressure while driving vehicle (needed for checking boost pressure only)
   3. Phillips screwdriver
   4. 10 mm socket and 1/4" drive ratchet and extension for removing air horn
   5. Pliers for removing sensor hose clamps at turbocharger
   6. Small mirror for clarity during cover removal
   7. High powered flashlight or shoplight

Instructions

   1. Remove the u-shaped air intake and the intake to the air cleaner. Make sure to re-install before testing boost pressure.
   2. Cool the turbo area with fan.
   3. Spray the cap cover "spring" area with Liquid Wrench or other similar solvent.
   4. Using a couple of small screwdrivers (a very thin bladed 5-8" shafted one is great), "spin" the spring around until it starts popping out.
   5. Pull out the spring with needlenose pliers or fingers.
   6. Remove wastegate valve cover. Be careful not to damage the rubber seal behind cap (but attached to body of turbocharger) when removing. There will likely be a small quantity of oil that will leak out when the cover is removed; this is normal – not a problem..
   7. Completely remove locknut on wastegate valve.
   8. Make a note of measured length of exposed threads on valve.
   9. Turn spring assembly (it has flat, thin edges for wrench) clockwise. Begin with 3 full turns - it sounds like too much, but it isn't! If our approximations are
      correct, for every 1/8" of threads exposed (by screwing spring assembly in),
      this equates to 0.15-0.20 bar of boost.
10. Reverse disassembly procedure. To reinstall spring as easy as possible:

   1. Make sure that you've thoroughly cleaned the groove where the spring
      resides.
   2. Make sure that the spring is thoroughly clean.
   3. Lightly file or grind the flat side of the spring at each end so that it's
      shiny. This enables you to manuever better when inserting 'cause shiny end
      shows.
   4. Make sure that rubber gasket is firmly seated before replacing cover.
   5. Compress spring with fingers to reduce diameter when placing in groove.
      And, push cover hard simultaneously.
   6. Then, push spring with biggest screwdriver that you can use. Tap
      screwdriver with rubber hammer. You should "feel" spring seat.
   7. Do this only on fan-cooled turbo area.

   1. Road test using Stu's guidelines: having the boost gauge in the car, start driving a fully warmed up motor and engage "S" and go up to 4,000 rpm and full throttle, read the boost. Good luck and hold on to your hat.
   2. If further adjustment is needed, cool turbo area with fan.

Finally

      Please let me know if you complete this procedure successfully; it took a while to type this, and I'd appreciate knowing when each person has completed the repair! Please e-mail me at richard_easley@...



      ©1998
      Richard Easley, Waco, Texas and Stu Ritter, Denver, Colorado.
      The Mercedes-Benz Discussion List is not affiliated with any other Mercedes-Benz electronic discussion lists nor is it affiliated with Mercedes-Benz of North America or any of its subsidiaries.