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Old 01-06-2003, 03:25 PM
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Join Date: Sep 2002
Posts: 12
Question Idler arm repair kit

I need to put a repair kit on my idler arm of my 1984 190d. but i am not sure what needs to be done. i have the kit, which is just a couple of bolts and a rubber bussing. is there a blowout someplace that shows how to replace this stuff? I am not sure if i am looking at the right parts under the car? can anyone tell me what i need to do?

1984 190d 186,000
1984 190D 2.2 (the real one not the 2.0 bored out)
1994 Saturn SL1
1994 Jeep Cherokee 4.0
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Old 01-06-2003, 05:11 PM
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Join Date: Oct 2001
Location: Vienna, WV
Posts: 121
The idler arm transfers steering motion to the right side (passenger side in USA) tie rod which transfers it to the right wheel. The idler arm is held in place by a large bolt for which you have a replacement. You'll need to remove the nut, remove the heat shield over the top of the bolt, push the bolt out (noting how all the washers and dust caps are aligned), pry and push the old bushings out of the journal (use the old bolt to beat the top bushing out), reassemble all the parts in the correct order. The bushing may have to be pulled into place using the old bolt and nut and maybe some spacers. Be sure to lube the rubber on the bushings with some silicone grease to facilitate their sliding into the journal. The torque value for the new nut is pretty high. Don't have it in front of me. Perhaps someone else can fill in this data. It'll take must all the force you can generate on a 12 inch wrench laying under the car.

Good luck.
Tom Savage
Vienna, WV
1984 300D Euro
1995 S320
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Old 03-18-2003, 12:16 PM
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Join Date: Jan 2002
Posts: 6
idler arm torque

the torque for idler arm is 120nm or 88.44 foot #. this info came from my mb manual. the conversion came from this web site.
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Old 03-18-2003, 12:20 PM
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Join Date: Jan 2002
Posts: 6
idler arm

oh yah i forgot. do not use silicone,oil,grease on rubber parts. use a water soluable lub such as ky jelly.
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Old 03-18-2003, 01:48 PM
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Join Date: May 2002
Location: Mass
Posts: 1,127
White lithium grease is said to be suitable for rubber parts.
1986 300E 5-Speed 240k mi.
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Old 03-18-2003, 02:09 PM
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Join Date: Feb 2002
Location: Seattle
Posts: 596
and pure glycerine I understand
1986 300E Anthracite + ECodes + MB Mileage Award
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