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#1
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Vibration/Wobble Question?
Hello fellas, my 300D started a strange behavior. Vibration at what seems to be all speeds up to 70mph. Can be felt through seat and steering wheel.
When coasting to a stop, car feels like its wobbling back and forth, strange? Bad tire? rim? both? frontend trouble? Thanks Andy
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83 300D 169K (Mine) 86 F250 4X4 6.9 (Mine) 05 VW Passat TDI (Wife's) |
#2
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if you are driving and then you put the tranny in neutral do you still get a vibration ? I had something similar from a bad tranny mount
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Audi TT |
#3
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Start with
balance and have them look for shifted belts.
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ASE Master Mechanic https://whunter.carrd.co/ Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 2003 Volvo V70 https://www.boldegoist.com/ |
#4
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Most likely bad tires, one has a bulge!
Peter
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1972 220D ?? miles 1988 300E 200,012 1987 300D Turbo killed 9/25/07, 275,000 miles 1985 Volvo 740 GLE Turobodiesel 218,000 1972 280 SE 4.5 165, 000 - It runs! |
#5
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Hey thanks fellas, you were right bad tire, left rear had bulge. Great to have this kind of support for us rookie MBZ owners.
Finally getting cold here in NM, tried heater last night, only blew cold. Did search and learned about the monovalve. Unplugged it, tapped it with screwdriver, and guess what "hot air". Looks like I'am due for new monovalve. Now if I only can figure out that clunk from rearend, happens at times with or with out load. Might be rear axle? Thanks for your help.. Andy
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83 300D 169K (Mine) 86 F250 4X4 6.9 (Mine) 05 VW Passat TDI (Wife's) |
#6
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Check your Differential mounts for deteriorated rubber. While you are under there check the condition of the front and rear flex joints for cracks or worse, Also check the driveshaft center support.
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Proud owner of .... 1971 280SE W108 1979 300SD W116 1983 300D W123 1975 Ironhead Sportster chopper 1987 GMC 3/4 ton 4X4 Diesel 1989 Honda Civic (Heavily modified) --------------------- Section 609 MVAC Certified --------------------- "He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche |
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