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#1
08-23-2007, 11:45 AM
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w123 om617 body shakes at idle but engien doesn't?
A buddy of mine has a 1983 300D that at idle the whole car shakes, the washer tank almost want to fall out, looking at the engine I don't see much if any shake. I told him probably the engien shocks are frozen, but wanted some more input,,, anyone?
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Closing the store Benzbonz.biz on your smart phone or tablet. 
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#2
08-23-2007, 11:56 AM
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Perhaps a review of Newton's Third Law of motion is in order!!!
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#3
08-23-2007, 12:00 PM
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car parked on a fault line?
a REALLY REALLY REALLY out of balance aux fan?
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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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#4
08-23-2007, 12:41 PM
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aux fan not running,,, the car shake goes away at throttle above maybe 1000RPM
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Closing the store Benzbonz.biz on your smart phone or tablet.
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#5
08-23-2007, 12:45 PM
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Put a gloved hand on the valve cover and the other on the fender an see if the shake in unison or opposite of each other. Opposite can give the illusion of body only shake.
I agree with checking motor mounts, tranny mount and engine shocks.
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RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K
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#6
08-23-2007, 03:52 PM
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The RD bolt can be a culprit, adjust or replace.
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83 SD 84 CD
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#7
08-23-2007, 06:31 PM
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bad motor mount(s).
Tom W
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.  [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#8
08-23-2007, 11:10 PM
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Adjust rack dampener bolt----easiest thing to check first----it's kind of a pita, but I was able to adjust mine and eliminate all of the shaking at idle.
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RT 1984 300D---Sold 1995 E420 - 106K - Brilliant Silver Metallic/Orion Gray --- Sold 1984 300SD - 151K Manganese Brown Metallic/Mostly Black --- Sold 1982 240D - 79K - Manila Beige/Palomino---Sold
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#9
08-24-2007, 02:42 AM
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The motor mounts job is to damp vibration. From the description they are no longer functioning properly adn are transmitting vibration to the frame.
The other things mentioned may be the cause of the vibration; or not.
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Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.)
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