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#1
02-04-2015, 02:02 PM
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W201 steering issues
A couple months ago my dad bought an 85 190D and it's having some steering problems. The biggest thing is it doesn't return to center very well if you turn more than half a revolution of the steering wheel, and if you turn it all the way to the stops it doesn't want to return at all and it takes some serious arm work to get it back
Anybody who's better versed in steering boxes know what the issue might be who can shed some light on the issue?
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1982 300D Turbodiesel, daily driver. Mods so far: Fram 8038 paper filter, 4 brake light mod, Gen II w126 (front) rotors/calipers, boost turned up to 12lbs, non-egr manifolds, water/methanol injection, 4-speed manual 1980 300SD Turbodiesel, project car, nearly ready to hit the street 1974 240D, New paint 
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#2
02-04-2015, 03:06 PM
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The 1991 Mercedes 190E 2.6L I owned would sometime not want to return back to center making a large turn on the wheel. However it was went it was very cold outside. In warm temperatures it didn't seem to ever occur. You might check the power steering reservoir for fluid, and maybe change the fluid and filter. Also, you might want to check the belt on the pump, that it is tight. The steering damper can give those kind of effects if it is bad. You might want to check it to see, if it shows fluid leakage. If someone over tightened the steering box, that can cause it to not return correctly.
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Rebe
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#3
02-04-2015, 03:21 PM
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Have you had the alignment checked?
Steve.
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'93 190E/D 2.5 Turbodiesel 5-speed (daily driver) '87 190D 2.5 Turbo rustbucket - parts car '84 Dodge Rampage diesel - Land Speed Record Holder '13 Ram 2500 Diesel '05 Toyota 4Runner
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#4
02-04-2015, 03:50 PM
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Quote:
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Respectfully, /s/ M. Dillon '87 124.193 (300TD) "White Whale", ~392k miles, 3.5l IP fitted '95 124.131 (E300) "Sapphire", 380k miles '73 Balboa 20 "Sanctification" Charleston SC
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#5
02-04-2015, 03:51 PM
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Not had the alignment checked yet, I'll have to get on that, and check the other things as well
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1982 300D Turbodiesel, daily driver. Mods so far: Fram 8038 paper filter, 4 brake light mod, Gen II w126 (front) rotors/calipers, boost turned up to 12lbs, non-egr manifolds, water/methanol injection, 4-speed manual 1980 300SD Turbodiesel, project car, nearly ready to hit the street 1974 240D, New paint
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#6
02-04-2015, 04:56 PM
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If it had insufficient caster, the return to center would be bad. Normally, I think the W201's run about 10 degrees of caster.
Steve.
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'93 190E/D 2.5 Turbodiesel 5-speed (daily driver) '87 190D 2.5 Turbo rustbucket - parts car '84 Dodge Rampage diesel - Land Speed Record Holder '13 Ram 2500 Diesel '05 Toyota 4Runner
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#7
02-04-2015, 08:02 PM
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Lower ball joint... SERIOUSLY inspect it!
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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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#8
02-05-2015, 07:29 AM
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Over adjusted (or failed) steering box?
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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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#9
02-05-2015, 10:36 AM
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x2 on ball joints. I had EXACTLY that problem on my 91 300D and it turned out to be ball joints even though they weren't squeaking at all.
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14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles 06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU 91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion 19 Honda CR-V EX 61k mi Fourteen other MB's owned and sold 1961 Very Tolerant Wife
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#10
02-05-2015, 10:47 AM
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I will add that external inspection of ball joints revealed nothing wrong. It was only AFTER everything was taken apart that the problem was confirmed.
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14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles 06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU 91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion 19 Honda CR-V EX 61k mi Fourteen other MB's owned and sold 1961 Very Tolerant Wife
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#11
02-05-2015, 10:51 AM
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__________________
14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles 06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU 91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion 19 Honda CR-V EX 61k mi Fourteen other MB's owned and sold 1961 Very Tolerant Wife
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