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  #1  
Old 09-27-2011, 06:59 PM
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What is this throttle part and how do I replace it?

While trying to adjust the tension on the accelerator pedal (91 300D), I noticed that the white plastic part that has the thumb wheel and the screw drive is broken at the end. It's still screwed into what it's screwed into, just broken at the end, where there's a black cap.

What is this part called and is there a DYI pages somewhere to show me how to replace it?

Thanks.
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06 E320 CDI "Benson", Platinum Blue, 174k mi
06 E320 CDI "Rutherford", Black, 144k mi
91 300D "Otis", Smoke Silver, 128k mi
98 E300 "Murray", Silver, 128k mi, Stage 2 Rocketchip chip tuned, under son's care

Twelve other MB's owned and sold
2002 Honda Odyssey 241k mi (want to name it "Homer," wife won't let me)
1961 Very Tolerant Wife
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  #2  
Old 09-27-2011, 07:10 PM
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Should be pretty straight forward to trace it out and determine how to route the line out/in. The hardest part will be working up underneath the dash because of the position.
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  #3  
Old 09-27-2011, 07:12 PM
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Quote:
Originally Posted by engatwork View Post
Should be pretty straight forward to trace it out and determine how to route the line out/in. The hardest part will be working up underneath the dash because of the position.
Why would I work under the dash? Shouldn't I just be able to replace that part by the linkage, that white plastic part?
__________________
06 E320 CDI "Benson", Platinum Blue, 174k mi
06 E320 CDI "Rutherford", Black, 144k mi
91 300D "Otis", Smoke Silver, 128k mi
98 E300 "Murray", Silver, 128k mi, Stage 2 Rocketchip chip tuned, under son's care

Twelve other MB's owned and sold
2002 Honda Odyssey 241k mi (want to name it "Homer," wife won't let me)
1961 Very Tolerant Wife
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  #4  
Old 09-27-2011, 07:15 PM
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Yea, sorry about that. I had the throttle cable on my mind for some reason. It should be on the throttle linkage parts breakdown.
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  #5  
Old 09-27-2011, 08:11 PM
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Originally Posted by engatwork View Post
Yea, sorry about that. I had the throttle cable on my mind for some reason. It should be on the throttle linkage parts breakdown.
I guess the FSM calls it the adjusting screw?

At times I have trouble going from an FSM schematic to an actual repair. How would I go about replacing the adjusting screw?
__________________
06 E320 CDI "Benson", Platinum Blue, 174k mi
06 E320 CDI "Rutherford", Black, 144k mi
91 300D "Otis", Smoke Silver, 128k mi
98 E300 "Murray", Silver, 128k mi, Stage 2 Rocketchip chip tuned, under son's care

Twelve other MB's owned and sold
2002 Honda Odyssey 241k mi (want to name it "Homer," wife won't let me)
1961 Very Tolerant Wife
Reply With Quote
  #6  
Old 09-27-2011, 08:14 PM
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It will be tomorrow before I will be able to take a look to provide details on how to repair. I need to take a look at the one in the shop to refresh my memory.
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  #7  
Old 09-27-2011, 08:25 PM
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Originally Posted by engatwork View Post
It will be tomorrow before I will be able to take a look to provide details on how to repair. I need to take a look at the one in the shop to refresh my memory.
Thank you SO MUCH for your time....I really appreciate whatever advice your able to offer.
__________________
06 E320 CDI "Benson", Platinum Blue, 174k mi
06 E320 CDI "Rutherford", Black, 144k mi
91 300D "Otis", Smoke Silver, 128k mi
98 E300 "Murray", Silver, 128k mi, Stage 2 Rocketchip chip tuned, under son's care

Twelve other MB's owned and sold
2002 Honda Odyssey 241k mi (want to name it "Homer," wife won't let me)
1961 Very Tolerant Wife
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  #8  
Old 09-28-2011, 07:06 AM
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Location: Barrington, RI
Posts: 5,443
While I want to do the repair, am I safe to let it go for a while? What's the risk? It's the very end that broke such that I'm still able to have the screw drive fully screwed in.
__________________
06 E320 CDI "Benson", Platinum Blue, 174k mi
06 E320 CDI "Rutherford", Black, 144k mi
91 300D "Otis", Smoke Silver, 128k mi
98 E300 "Murray", Silver, 128k mi, Stage 2 Rocketchip chip tuned, under son's care

Twelve other MB's owned and sold
2002 Honda Odyssey 241k mi (want to name it "Homer," wife won't let me)
1961 Very Tolerant Wife
Reply With Quote
  #9  
Old 09-28-2011, 07:17 AM
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As long as the throttle works like it is supposed to there should not be any runnability issues.
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  #10  
Old 09-28-2011, 07:30 AM
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Originally Posted by engatwork View Post
As long as the throttle works like it is supposed to there should not be any runnability issues.
That's good to know....my concern was that, perhaps with the end broken, vibration would cause the screw to turn and potentially unscrew altogether.
__________________
06 E320 CDI "Benson", Platinum Blue, 174k mi
06 E320 CDI "Rutherford", Black, 144k mi
91 300D "Otis", Smoke Silver, 128k mi
98 E300 "Murray", Silver, 128k mi, Stage 2 Rocketchip chip tuned, under son's care

Twelve other MB's owned and sold
2002 Honda Odyssey 241k mi (want to name it "Homer," wife won't let me)
1961 Very Tolerant Wife
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  #11  
Old 09-28-2011, 12:57 PM
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Location: Mount Holly, NC
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ya got a picture of what you've got broken? I have a 93 300D torn down pretty far. I may be able to send you brackets/cables what ever...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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  #12  
Old 09-28-2011, 01:06 PM
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Quote:
Originally Posted by vstech View Post
ya got a picture of what you've got broken? I have a 93 300D torn down pretty far. I may be able to send you brackets/cables what ever...
Are you parting out your 300D?

I don't have a pic, but I can describe it accurately. It is an off-white plastic cylinder about 1" long and 1" in diameter with narrower cylinders coming out either end. One of the ends is a screw and looks to be about 1" long and 1/4" in diameter.

The part (MB calls it the adjusting screw) does not appear to be available separately, but rather is included with a new throttle cable (or so I assume).

Whether I NEED to replace mine is another matter....I was going to ask my indie later this week. But it's certainly firmly screwed in and all throttle operation seems fine.
__________________
06 E320 CDI "Benson", Platinum Blue, 174k mi
06 E320 CDI "Rutherford", Black, 144k mi
91 300D "Otis", Smoke Silver, 128k mi
98 E300 "Murray", Silver, 128k mi, Stage 2 Rocketchip chip tuned, under son's care

Twelve other MB's owned and sold
2002 Honda Odyssey 241k mi (want to name it "Homer," wife won't let me)
1961 Very Tolerant Wife
Reply With Quote
  #13  
Old 09-28-2011, 01:14 PM
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Join Date: Mar 2006
Location: Mount Holly, NC
Posts: 26,271
Quote:
Originally Posted by shertex View Post
Are you parting out your 300D?

I don't have a pic, but I can describe it accurately. It is an off-white plastic cylinder about 1" long and 1" in diameter with narrower cylinders coming out either end. One of the ends is a screw and looks to be about 1" long and 1/4" in diameter.

The part (MB calls it the adjusting screw) does not appear to be available separately, but rather is included with a new throttle cable (or so I assume).

Whether I NEED to replace mine is another matter....I was going to ask my indie later this week. But it's certainly firmly screwed in and all throttle operation seems fine.
... I'm parting EVERYTHING and need all the help I can get to do it before the city forces me to call in the tow trucks!!!
http://www.peachparts.com/shopforum/diesel-discussion/304936-help-emergency-strip-party-sep-17-until__-i-gotta-sell-junk-many-cars-fast.html
__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
Reply With Quote
  #14  
Old 09-28-2011, 01:17 PM
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Join Date: Jul 2004
Location: Barrington, RI
Posts: 5,443
Quote:
Originally Posted by vstech View Post
... I'm parting EVERYTHING and need all the help I can get to do it before the city forces me to call in the tow trucks!!!
http://www.peachparts.com/shopforum/diesel-discussion/304936-help-emergency-strip-party-sep-17-until__-i-gotta-sell-junk-many-cars-fast.html
What's the mileage on your 93 300D? Perhaps there are some parts I could make use of.
__________________
06 E320 CDI "Benson", Platinum Blue, 174k mi
06 E320 CDI "Rutherford", Black, 144k mi
91 300D "Otis", Smoke Silver, 128k mi
98 E300 "Murray", Silver, 128k mi, Stage 2 Rocketchip chip tuned, under son's care

Twelve other MB's owned and sold
2002 Honda Odyssey 241k mi (want to name it "Homer," wife won't let me)
1961 Very Tolerant Wife
Reply With Quote
  #15  
Old 09-28-2011, 01:20 PM
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Join Date: Mar 2006
Location: Mount Holly, NC
Posts: 26,271
315K I think.
I got it with a broken timing chain, and no doors/hood/trunk lid... great black leather interior no lights either...
come on over!
__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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