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#1
09-17-2013, 12:48 AM
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Rear Axle Vibration?
My 1977 W123 car has new flex discs (bolts are tight), centre bearing & support, driveshaft alignment bearings, differential support, motor & tranny mounts, recently balanced driveshaft.
I still have vibrations from 40 mph through 60 mph and at 40 the vibration is more pronounced when cornering - more to the left than to the right. The axle cans have no leaks, but they are the originals (239K miles). I now think they may be the culprit. Does anyone agree?
__________________
 Don't Chrome them; polish them 
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#2
09-17-2013, 01:52 AM
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When fitting the new driveline parts - was this done with the weight of the car on or off of the wheels?
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior  Don't leave that there - I'll take it to bits!
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#3
09-17-2013, 02:04 PM
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Quote:
I have done this about 5 times now. One time I left the centre carrier bearing support slightly loose, drove the car a little, and then tightened it but with the rear wheels off the ground again.
__________________
Don't Chrome them; polish them
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#4
09-17-2013, 02:36 PM
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...and with the prop shaft nut loose too I assume?
And checked for exhaust hanging obvious-ness too I guess... ...and the tyres and wheel weights are all OK? Swapped front wheels with back...
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior Don't leave that there - I'll take it to bits!
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#5
09-17-2013, 06:22 PM
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What about the sub-frame mounts. There's a front and rear on both sides of the rear suspension. The rubber dries out and cracks causing play, resulting in rear wheel vibration.
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 1993 190E 2.3 2001 SLK230 1971 LS5 (454) Corvette Convertible
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#6
09-18-2013, 01:47 AM
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Everything mentioned has been covered with the exception of renewing the sub-frame mounts, although it seems to me that the problem has to be with something that turns as it occurs at certain speeds only.
__________________
Don't Chrome them; polish them
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