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#1
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I've got this mystery creak
I have this creak in the left front end on my 85 300D. I figured it was the ball joint because the boot was ripped. I changed the ball joint but I still have the creak. I get it when I go onto a driveway or otherwise have the front end adjusting in a vertical direction. I don't get it while turning. I feel like I can feel it through the floor with my feet. I am just getting familiar with how the whole front suspension works, and as I look at a front end suspension diagram, I am thinking that it is most likely an upper or lower control arm bushing. If that is the case, what do I do about it? Can I get grease into those bushings or do they have to be replaced?
Thanks for any suggestions.
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85 300D 75K Anthracite Grey 0-60 in 13 seconds **For Sale** 84 300D 333K Black (The Velveteen Rabbit) 0-60 in 14 seconds 00 Toyota Sienna 208K (Sold) 15 Subaru Outback 43K 11 Subaru Outback 67K 98 Ford Taurus 100K (Gertie - Was Grandma's - drove it to church and shopping - really) Daughter's car now. 30 Model A Ford 2 Door Sedan (Sold) 0-60 in . . . Never reached 60 |
#2
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You could try and squirt some oil in the UCA ball and see if the creak goes away as a diagnostic.
If your '85 is like my '83, the LCA and UCA bushings don't rotate but the rubber flexes, so there's not really any moving parts in there to creak. There's also other parts that move, like guide rod mounts.
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'83 300DTurbo http://badges.fuelly.com/images/smallsig-us/318559.png Broadband: more lies faster. |
#3
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look at the shaft that bolts to the lower control arm. follow it to the body of your car that's your guide rod bushing... see any rust? that's what's creaking. it's not bad to change it out yourself. Mine were so bad that there was a noticeable clunk when I touched the brakes and anytime I hit a bump...
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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! |
#4
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I had my indy replace my Guide Rod bushings; L&R.
I had thought it was the Joints but it wasn't. He save me doing something I did not need to do. My car suspension was clunking not creeking however. I'm glad I had him do the job.
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1982 300SD |
#5
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Don't know if your car has this, but my '75 240D (115) has rubber collars around the anti sway bar in front. They creak like crazy if I don't keep them lubed up. It's all vertical motion creak, I can get it to do it in the garage with my foot on the front bumper.
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#6
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My CD had a similar creak, it turned out to be the lower ball (supporting) joint.
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83 SD 84 CD |
#7
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Is there a particular grease to lube these bushings in the first place? I'm curious since I too have a creak when vertical motion is applied to the front suspension bits. Still trying to pinpoint which one it is exactly.
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http://farm8.staticflickr.com/7271/7...144c3fc1dc.jpg |
#8
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All the ball joints are permanently lubricated, yet check the pic. This manual does not have page numbers, just job numbers.
Start with any joints that have torn rubber boots.
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83 SD 84 CD |
#9
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This is all very helpful. When I get my 84 off the jack stands and out of the garage I'll get under the 85 and have a closer look. Thanks for all of the input.
__________________
85 300D 75K Anthracite Grey 0-60 in 13 seconds **For Sale** 84 300D 333K Black (The Velveteen Rabbit) 0-60 in 14 seconds 00 Toyota Sienna 208K (Sold) 15 Subaru Outback 43K 11 Subaru Outback 67K 98 Ford Taurus 100K (Gertie - Was Grandma's - drove it to church and shopping - really) Daughter's car now. 30 Model A Ford 2 Door Sedan (Sold) 0-60 in . . . Never reached 60 |
#10
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Quote:
If its dry, I'd go with silicone grease as it's not supposed to rot rubber like petroluem grease will. If its not dry, then you probably want to match what's there already. I don't think many of the bushings are really meant to have grease, but heck, if parts are ment to slide against its surface, and it makes noise when that happens, then greae 'em.
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'83 300DTurbo http://badges.fuelly.com/images/smallsig-us/318559.png Broadband: more lies faster. |
#11
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Iam wondering if a silicone spray would work of rubber bushings to quiet them?
I have used it to get bushings to slip into place. 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 |
#12
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Just about every suspension joint has been mentioned so far in this thread the only way would be to check em all out. My money would be on the guide rod, I have seen many of those rotted and worn out.
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TC Current stable: - 2004 Mazda RALLYWANKEL - 2007 Saturn sky redline - 2004 Explorer...under surgery. Past: 135i, GTI, 300E, 300SD, 300SD, Stealth |
#13
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I got the creak, too. Found it to be upper control arm bushing and needs replacing.
Right one is fine.
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1982 240D auto 152k 1984 380SL 113k 2015 Ram 2500 6.7 Cummins Previous: 1985 300DT 1984 190D 5sp Euro |
#14
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+1 300td has the creak.
I've got the same thing. First noticed it last year/winter when it was colder. It's not terribly noticable but I definitely hear it at times.
I have outside front tire wear on the driver side, so was hoping that the ball joint was making the creak. But, it sounds like there's something else going on down there. The front end problem(s) will likely get fixed soon so we'll see if the creak goes away.
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1982 240 D, 308,000 - 321,127 miles (sold) 1982 300 TD,166,500 - 226,000 miles 1998 E 320, 120,000 - 144,000 miles 2005 C 230 K, 26,000 - 77,000 miles (sold) |
#15
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spring shim
Look at the coil spring shim, where the front spring is seated. That is what tore out on my 300D and causes creaking. Some spray lubricant helped the creak for a little while but that effect wears off over time. The creak changes in intensity and probably the alignment is slightly affected.
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1984 300D "Brown (and Blue) Betty" Over 200k but the odometer isn't counting |
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