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#1
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flex disc, center driveshaft support bearing..
What a pain in the ass! I had the vibration ONLY between 15-25 mph. I ordered flex discs, center support and bearing and rear tranny mount. I dropped the heat shield and took out the bolts on the flex discs. Well, the front one had only one bolt on and tightened. Another bolt had a nut on it but it was only finger tight and the other bolt was totally gone. These are the bolts that have the hex heads.
I separated the driveshaft and got the rear portion out. (can't get the bearing off) The front is kind of stuck. Should the front rubber piece (large rubber dampner connected to the front flex disc) come off easily so I can slide the front portion out easily?
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'85 300SD (formerly california emissions) '08 Chevy Tahoe '93 Ducati 900 SS '79 Kawasaki KZ 650 '86 Kawasaki KX 250 '88 Kawasaki KDX200 '71 Hodaka Ace 100 '72 Triumph T100R |
#2
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My flex disk took a bit of prying with a big screwdriver to come loose from the transmission.
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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine |
#3
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I second that. Heavy prying!!!!! Has a tendency to ruin a marginal disc....
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Jimmy L. '05 Acura TL 6MT 2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China" Scar engine installed '81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John |
#4
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Quote:
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have no worries.....President Obama swears "If you like your gun, you can keep it |
#5
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But did you guys have the big rubber dampner at the tranny end?
I am just going to drop off the shaft at a shop and have them remove and replace the bearing. Once the bearing is on the shaft can I just slide the rubber support over the bearing?
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'85 300SD (formerly california emissions) '08 Chevy Tahoe '93 Ducati 900 SS '79 Kawasaki KZ 650 '86 Kawasaki KX 250 '88 Kawasaki KDX200 '71 Hodaka Ace 100 '72 Triumph T100R |
#6
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To get my center bearing off, used a wood dowel, gently hammered on one side of the bearing then the other. Slowly working it off. They to reinstall I did the same thing. Worked great.
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Andrew '04 Jetta TDI Wagon '82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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#7
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soak it in some PB or another penetrating oil, too.
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Paul 2004 E500 4matic; 72,000mi |
#8
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I actually broke a screwdriver trying to get it off. I'm just going to take it to a local driveshaft place.
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'85 300SD (formerly california emissions) '08 Chevy Tahoe '93 Ducati 900 SS '79 Kawasaki KZ 650 '86 Kawasaki KX 250 '88 Kawasaki KDX200 '71 Hodaka Ace 100 '72 Triumph T100R |
#9
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I'm sure you already did this, but be sure and mark the two halves of the drive shaft.
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1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" |
#10
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Mine claimed 2 screwdrivers!
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Paul 2004 E500 4matic; 72,000mi |
#11
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Quote:
What about the front fubber piece? A CA only piece? Since the tranny is different. Once the bearing is on the shaft the support mount will slide over the bearing?
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'85 300SD (formerly california emissions) '08 Chevy Tahoe '93 Ducati 900 SS '79 Kawasaki KZ 650 '86 Kawasaki KX 250 '88 Kawasaki KDX200 '71 Hodaka Ace 100 '72 Triumph T100R |
#12
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The mount will slide right on, but I needed a bit of lube to get it to slide the whole way.
When reassembling, make sure the mount is bolted on straight. If its slighly cocked, it'll give a pesky vibration.
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Paul 2004 E500 4matic; 72,000mi |
#13
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thats a big no no. when installing you wanna only put pressure on the center piece of the bearing
__________________
have no worries.....President Obama swears "If you like your gun, you can keep it |
#14
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Knock any rust/imperfections off the shaft with a bit of emory cloth/fine sandpaper first, and it should slide right on. Again, lube is your friend!
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Paul 2004 E500 4matic; 72,000mi |
#15
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The center bearing came right off when I did it. Mark the drive shaft before you pull it apart of course.
The flex discs can be a pita, I had to use a huge flat blade screw driver to get them to part. The plus side is after I changed all that stuff, it cured the 45mph vibration that was annoying me.
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1999 SL500 1969 280SE 2023 Ram 1500 2007 Tiara 3200 |
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