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Help: new front bearings hasn't stopped the vibration!
hello again
my car drives perfectly, except when i try to turn right, then a serious grumbling sound occurs. the faster/tighter the turn the more it grumbles/vibrates. it is now impossible to turn right at anything over 20mph gently. i'd have bet my house it was bearings but now that i have renewed both front sets of bearings nothing has changed at all. if it was bearings i would at least have expected the noise to change slightly but it is exactly the same. i have tried various degrees of tightness/freedom on the retaining nut but this makes no difference either, so i have tightened it up and backed it off one third as per the Haynes instructions. i can only conclude that this problem is being caused by something else, but i am now at a loss to find what it is. the only clues i can offer are: 1. the steering rack is quite loose at the steering wheel, and maybe this problem manifests itself due to worn steering racks. in which case, is this a big job to replace or worth it since the car is virtually worthless (but a good runner). 2. the right hand side engine block mount has disintegrated. which means the engine knocks when i start it up, but apart from that there are no other problems. i am due to replace this next weekend. i can't imagine that this is responsible for the problem but thought it worth mentioning just in case. apart from those two faults i can't think of anything else that is wrong, so any thoughts and suggestions would be most appreciated. thanking you in advance as always justin
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W123 200T 1982 Porsche 911 sc 1982 Honda C90 Cub 1995 |
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it's your mount..you feel the motor hitting the chassis.. Replace both mounts and the shocks.. Trans mount is most likely beat to snot as well.
Jonathan
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Blue Ridge Mercedes Jonathan Hodgman http://www.blueridgemb.com/ Enthusiast Service, Restoration & Tuning. Follow Us on Facebook! Located in the Atlanta area Specializing in all pre and post merger AMG's including Hammers and DOHC M117 engines. Mercedes Repair Atlanta |
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I had a similar problem on a vehicle (not a MB). The problem turned out to be a small crack in the wheel where the lug bolt was located. When the wheel was under load as in a turn the "growling" would occur.
I'd go with JHODG5CKs' advice first. |
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Might add...
Your car does not have rack and pinnon steering. That would be the old reticulating(sp?) ball design. So, it will never feel like a car with R & P. I think an inch play is considered within tolerance. Worn suspension and steering parts will add to the loose/play feel. Check the steering dampener and tie rod ends, ball joints etc. Michael
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Michael McGuire 83 300d 01 vw A4 TDI 66 Chevy Corsa 68 GMC V6 w/oD 86 300E |
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many thanks for the response,
i am hopefully going to replace the mounts tomorrow, and hopefully that will cure the problem. now i think about it, the mount problem and the wheel problem both started at the same time, and got worse together. perhaps that's the clue i missed, i'll let you know tomorrow or sunday. regards justin
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W123 200T 1982 Porsche 911 sc 1982 Honda C90 Cub 1995 |
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Good news!
only one new mount arrived at the shop, so i fitted that and the problem has stopped. i have an oil leak on that side and i suspect that the oil has perished the rubber on that side. many thanks for the helpful responses. regards justin
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W123 200T 1982 Porsche 911 sc 1982 Honda C90 Cub 1995 |
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Quote:
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fortunately the other side is completely dry, but i think it's time i got to to the source of this wretched oil leak.
regards justin
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W123 200T 1982 Porsche 911 sc 1982 Honda C90 Cub 1995 |
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