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#16
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1991 300D |
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just to clarify, you are recommending replacing the entire upper control arm...not the torsion bar? right? also, torsion bar = sway bar?
is there an easy way of aligning the upper control arm and the torsion bar so i can get that bushing/bolt back in? not sure what I'm supposed to force... |
#18
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not necessary to replace upper control arm. I did because it was one of those while-I'm-in-there things.
torsion bar = swaybar this is not easily replaced w/o removing engine from car, hence the repair sleeve. Did you just lose the bushing + washer + bolt on the end? threaded area still there?
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1991 300D |
#19
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carpenter man said
"You can probably buy the torsion arm bushings, washer and bolt separately, but if it was me, I'd go ahead and buy the kit and replace the entire arm. " i am just trying to confirm which 'kit' and which arm he is talking about replacing...i'm assuming a bushing kit for the torsion bar (although I don't see one at the peach parts store) and replacing the upper control arm... |
#20
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heres the thing
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1991 300D |
#21
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couldn't tell from your photos, but if the bar-end has not broken off, you just need a bushing, washer & bolt to be on your way.
here is a photo of the other side that wasn't broken, where I just replaced the upper arm.
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1991 300D |
#22
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You can do whatever you want about replacing the entire upper control arm or not. It looks worn to me. There shouldn't be any side to side movement. If there is, it will mess up your alignment.
Anyway, this is the arm. Since I couldn't find it on Peachparts, the links are from the auto haus in Arizona: http://www.***************/search/product.aspx?sid=ooa1zh2tubecfc45xmviz355&makeid=800016@Mercedes&modelid=1194308@300TD%20&year=1981&cid=27@Suspension%20System&gid=7536@Control%20Arm%20%26%20Ball%20Joint%20Assembly Since it doesn't come with the sway bar bushings: http://www.***************/search/product.aspx?sid=ooa1zh2tubecfc45xmviz355&makeid=800016@Mercedes&modelid=1194308@300TD%20&year=1981&cid=27@Suspension%20System&gid=7532@Control%20Arm%20Bushing I couldn't find the bolt and the washer. May have to go to the dealer. P.S. You don't have to remove the engine to replace the sway bar, but the battery tray, some heating hoses, and brake booster have to be removed.
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1981 300TD 310k miles 1970 280sel 172k miles 1966 230 Fintail 162k miles "Where are we going? And why am I in this hand basket?" |
#23
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You know, Quahog, it's great that you were able to repair your sway bar with the repair kit, but why confuse the poster with your information until he determines that he needs it.
Just replace the god*****amn arm with bushings and see how it works.
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1981 300TD 310k miles 1970 280sel 172k miles 1966 230 Fintail 162k miles "Where are we going? And why am I in this hand basket?" |
#24
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The "torsion bar saver" costs $120 and requires cutting & welding. Strange to describe that operation as "just ...", especially with the OP having to work in a parking lot. A bolt & washer would be my approach. If you can't find the correct factory part, Ace Hardware might work. If Ace'ing it, I wouldn't fuss trying to find the exact length bolt. I would look for a longer bolt (of correct thread), jam it in tight, then use a nut acting on a big washer to tighten the rubber bushing. You could probably drive that way for years until you have a nice garage and doing the whole suspension. Before that, get the correct bolt & washer at a junkyard. Those rubber bushings fell apart on my 85 300D, making a clunking sound when turning and hitting a bump, with no longer any support from the sway bar (similar to your case). The world didn't end and I drove it a few days until I figured out the problem.
The part might be termed a "sway bar" (more properly "anti-sway"), but it is more than that. On most cars, you can remove the sway bar without affecting the basic steering and suspension - i.e. the way the wheels track the road. They are optional to minimize body leaning in turns. Not so on these cars. The sway bar also locates the upper ball joint fwd & aft, so is necessary to align the front wheel. |
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Mr. Grissom, you misread my post. I said "just" replace the upper control arm, not "just" install the repair end.
Look at the OP's first photo. You can see a gap between the barrel of the upper control arm and the lip in the bushing. That's a failed or failing bushing. Replacing the upper control arm is not a hard job and can be done for less than $100. The only tricky part is separating the ball joint and even that's no big deal if you have the tools. And even if you don't have the tools, all you have to do is lift the other wheel to put upwards force on the sway bar, loosen the ball joint nut a few turns, and tap on both sides of the fitting at the same time, and it should separate.
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1981 300TD 310k miles 1970 280sel 172k miles 1966 230 Fintail 162k miles "Where are we going? And why am I in this hand basket?" |
#26
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Here is a link to the pelican parts catalog.
1982 Mercedes-Benz 300D Base Sedan - Suspension, Shocks & Springs - Page 2 A DIY Link on the upper Control Arm: PeachPartsWiki: Upper Ball Joint Replacement Charlie
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there were three HP ratings on the OM616... 1) Not much power 2) Even less power 3) Not nearly enough power!! 240D w/auto Anyone that thinks a 240D is slow drives too fast. 80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works |
#27
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Not technically correct.
""The part might be termed a "sway bar" (more properly "anti-sway"), but it is more than that. On most cars, you can remove the sway bar without affecting the basic steering and suspension - i.e. the way the wheels track the road. They are optional to minimize body leaning in turns. Not so on these cars. The sway bar also locates the upper ball joint fwd & aft, so is necessary to align the front wheel. '"--- Bill Grissom General mechanical knowledge and nomenclature pause.... As Bill mentioned this is a combo unit.... but in the past ' torsion bar' was a NON COILED spring.... usually placed lengthwise with the car... it took the place of coiled springs.... Mid sixties Plymouths were a good example of this... saves a lot of room around the suspension components... The Mercedes 230 SL also had this..... https://www.youtube.com/watch?v=UIuo82fubVA as these are sometimes used interchangeably ... and sometimes not precisely correctly.... thought I would bring up the bigger picture for people to be aware of when reading about suspensions...
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1980 240d , chain elongation, cam marks reference: http://www.peachparts.com/shopforum/diesel-discussion/10414-help-i-need-check-stretch.html http://www.peachparts.com/shopforum/diesel-discussion/305365-9-degrees-chain-stretch.html evap fin cleaning: http://www.peachparts.com/shopforum/diesel-discussion/156207-photo-step-step-post-showing-w123-evaporator-removal-1983-240d-1982-300td.html?highlight=evaporator A/C thread http://www.peachparts.com/shopforum/diesel-discussion/297462-c-recommendations-mb-vehicles.html |
#28
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i stand corrected
Baum Tools called it a torsion bar... have seen it called a swaybar... it is confusing.
I hope everything works out ok.
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1991 300D |
#29
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In this case it is a combo unit... I was just addressing the blanket definition of ' antiswaybar Equaling torsion bar'... without including further qualification....
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1980 240d , chain elongation, cam marks reference: http://www.peachparts.com/shopforum/showthread.php?threadid=10414 http://www.peachparts.com/shopforum/diesel-discussion/305365-9-degrees-chain-stretch.html evap fin cleaning: http://www.peachparts.com/shopforum/diesel-discussion/156207-photo-step-step-post-showing-w123-evaporator-removal-1983-240d-1982-300td.html?highlight=evaporator A/C thread http://www.peachparts.com/shopforum/diesel-discussion/297462-c-recommendations-mb-vehicles.html |
#30
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Carpenterman,
Sorry I misread. If the UCA is worn, for sure replace it. I recall seeing them fairly inexpensive, with ball joint already installed. I recall little trouble removing the upper ball joint stud with a pickle fork when I removed my spindle (to replace lower ball joint). "Torsion Bar" usually refers to the main spring in a car's suspension, when of that design - 50-80's Chryslers, Porsches, some pickups. Usually, the bar is straight and only twists. However, Chrysler's 1977-83 F,M,J bodies (Aspen, Volare, ...) had a bent T-bar. They have a loading bolt, which allows easy road height adjustment and easy unloading for removal. Some hood and trunk springs are also "torsion rod springs" (60-70 Darts, Valiants). One advantage of T-bars is that the suspension weight is kept lower. Coil springs actually act as a "coiled torsion bar". The coils don't bend. The rod twists as the spring is compressed, to give the springiness. A disadvantage is that there is also a shearing load, so must be a bit thicker. There must be a strong structure (i.e. heavy) up high to support the spring. If T-bars are superior, seems strange that some Mopar owners weld in an after-market coil-over conversion kit (>$3K). |
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