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#1
06-24-2009, 05:15 PM
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What is a track arm.
Spent two hours at the dealership today and they told me I need to replace the track arms (among other things). What exactly are these?
__________________
http://superturbodiesel.com/images/sig.04.10.jpg 1995 E420 Schwarz 1995 E300 Weiss #1987 300D Sturmmachine #1991 300D Nearly Perfect #1994 E320 Cabriolet #1995 E320 Touring #1985 300D Sedan OBK #42 
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#2
06-24-2009, 05:18 PM
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Something to do with blinker fluid perhaps? Did you have your tires filled with nitrogen?
__________________
1985 500SL Euro w/ AMG bits 130k  1984 300SD Turbodiesel 192k  1980 240D Stick China 188k  2001 CLK55 AMG 101k  2007 S600 Biturbo 149k Overheated Project, IT'S ALIVE!!! 
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#3
06-24-2009, 05:20 PM
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Aren't track arms used to brace the spark plug wires?
__________________
 "Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970
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#4
06-24-2009, 05:23 PM
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Of course I'm assuming you were not at the Ford stealer, but this is all I could find...
Roller Track Upper Control Arms Maximize the handling potential of your '65-'73 Mustang with ORP's Roller Track Upper Control Arms. Featuring replaceable sealed roller bearings with custom fabricated 4140 chromoly shaft, ORP's Track Roller Upper Control Arms eliminate the need for zerk fittings and grease maintenance but most importantly prevent caster changes with suspension movement, a problem that plagues all factory shaft mounted control arms. Designed for heavy duty use, ORP Track arms also feature additional reinforcement to eliminate flexing under hard cornering and braking. The upper ball joint angle has also been modified to allow the upper control arm to be mounted a full 1.50" inch lower on the shock tower for maximum negative camber gain and traction. These arms also work well with the well known 1" upper arm drop although maximum grip is achieved with the recommended 1.50" drop. ORP roller upper arms are state of the art for vintage racing and are vintage legal. Fully assembled and ready for installation with a new Moog heavy duty ball joint. Found at http://www.opentrackerracingproducts.com/trackupper/
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#5
06-24-2009, 05:23 PM
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Perhaps they mean control arms?
__________________
1985 500SL Euro w/ AMG bits 130k 1984 300SD Turbodiesel 192k 1980 240D Stick China 188k 2001 CLK55 AMG 101k 2007 S600 Biturbo 149k Overheated Project, IT'S ALIVE!!!
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#6
06-24-2009, 05:35 PM
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Which would be? It says track arms.
__________________
http://superturbodiesel.com/images/sig.04.10.jpg 1995 E420 Schwarz 1995 E300 Weiss #1987 300D Sturmmachine #1991 300D Nearly Perfect #1994 E320 Cabriolet #1995 E320 Touring #1985 300D Sedan OBK #42
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#7
06-24-2009, 06:31 PM
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Maybe the guide rods up front? That is all I can think of that would be a possibility for replacement, or upper control arms....
__________________
-diesel is not just a fuel, its a way of life-  '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k)
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#8
06-24-2009, 06:57 PM
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track rods are just another name for guide rods. Did they say the track rod mounts needed replacment, which means guide rod mounts.
__________________
1985 300TD Turbo Euro-wagon 1979 280CE 225,200 miles 1985 300D Turbo 264,000 miles 1976 240D 190,000 miles 1979 300TD 220,000 GONE but not forgotten 1976 300D 195,300 miles 1983 300D Turbo 175,000 miles http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg
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#9
06-24-2009, 07:03 PM
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I went through that recently too. The dealer called them track rods and told me I needed to replace the "rear track rod mounts".
I guess the terminology is different depending on who you talk to. I ended up replacing the "rear guide rod mounts". The "front guide rod mounts" can wear too, but not as much as the rear as they don't see the same range of motion and are in more of a fixed position on the W123. You should not have to replace the "guide rod's" unless they are bent, stripped out or heavily rusted. Hope this helps.
__________________
AJ 1985 300D (SOLD) 
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#10
06-24-2009, 07:10 PM
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Maybe they mean trailing arms?
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#11
06-24-2009, 07:23 PM
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Quote:
__________________
AJ 1985 300D (SOLD)
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#12
06-24-2009, 07:40 PM
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to be safe, change that blinker fluid with full synthetic. And check your torsion rod spring mount bushings for wear.
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#13
06-24-2009, 08:36 PM
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A track arm is what NASCAR drivers get about lap 450. HA HA HA!!
Sorry, couldn't resist..... 
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‘84 300TD “Mountain Goat” '62 300d Adenauer-350 Chevy - "Max"'15 VW Passat TDI '16 Dodge Ram 3500 - Cummins w/6-speed '68 Mustang fastback '55 T-bird ‘63 Studebaker Hawk
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#14
06-25-2009, 07:42 AM
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in the service manual for my 1961 British Ford Van they refer to tie rods as track arms
__________________
 1996 E300 110,000 1985 300TD 212,000 1980 300D 238,000
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#15
06-25-2009, 05:41 PM
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It sounds like a corruption of the term that's used in Britain.
The arm connecting *either the rack, or the pitman arm / idler arm to the hub is usually called the track rod, while the ball joints at each end are called track rod ends, inner and outer. *on commercial vehicles, the track rod goes straight from one hub to the other, running near parallel to the axle itself.
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