josh_hammy Member 192 Member For: 12y 4m 22d Gender: Male Location: Perth, WA Posted 23/04/13 01:45 PM Share Posted 23/04/13 01:45 PM (edited) Why didn't this driveline shop provide a fitting and balancing service?? Take your car back and get them to fix it. What good is an upgraded tailshaft if it vibrates at 90kms/hr Edited 23/04/13 01:46 PM by josh_hammy Link to comment Share on other sites More sharing options...
The Outsider Donating Members 1,205 Member For: 12y 11m 3d Gender: Male Location: Burwood, NSW Posted 23/04/13 04:26 PM Share Posted 23/04/13 04:26 PM pretty sure the OP is in tassie, so taking the car to the shop is not an option. Link to comment Share on other sites More sharing options...
sexual harrassment panda I see a red door and I want to paint it black Donating Members 5,919 Member For: 14y 5m 24d Gender: Male Location: Far north queensland Posted 23/04/13 06:09 PM Share Posted 23/04/13 06:09 PM just out of curiosity is it auto or manual? I've heard the vibration problem stems from the center bearing being to rigid.A bearing that is less ridgid (or that has more clearance) will give more vibration on an out of balance shaftI'd say stick on weights would fly off as soon as you gave it some stick...Why, they stick onto the wheels? Even though the g forces are helping them as they are inside the wheel most times. The radius of the tailshaft is tiny compared to a rim. The forces would be a lot smaller, diff ratio only around 2.7 - 3.7 . stopping b4 wikipellor Link to comment Share on other sites More sharing options...
ScatterBrain Donating Members 316 Member For: 14y 10m 17d Gender: Male Location: Brisbane Posted 23/04/13 08:45 PM Share Posted 23/04/13 08:45 PM A bearing that is less ridgid (or that has more clearance) will give more vibration on an out of balance shaftNormally yes, but the vibration is not being caused by it being out of balance. It's because the slip yoke is at the front of the shaft and the bearing is to ridgid to allow lateral movement of the tailshaft. Link to comment Share on other sites More sharing options...
sexual harrassment panda I see a red door and I want to paint it black Donating Members 5,919 Member For: 14y 5m 24d Gender: Male Location: Far north queensland Posted 24/04/13 03:12 PM Share Posted 24/04/13 03:12 PM ah I get ya now.not much axial float in that type of bearing, but they love high speed. Link to comment Share on other sites More sharing options...
xhxrsix Member 174 Member For: 17y 5m 12d Gender: Male Location: Melbourne Posted 25/04/13 02:30 PM Share Posted 25/04/13 02:30 PM Unless they were some super sticky weld on weights then they'd come off. You can't really compare it to a wheel as the force is working against it... the faster your wheel spins the harder it sticks the weights on! Link to comment Share on other sites More sharing options...
Dagabond Bored Member Administrator 35,722 Member For: 21y 5m 5d Gender: Male Location: Dé·jà vu Posted 25/04/13 08:13 PM Share Posted 25/04/13 08:13 PM Cmon man think...speed tape it fixes everythink... Link to comment Share on other sites More sharing options...
tradey Member 72 Member For: 15y 1m 28d Posted 12/05/13 07:15 AM Share Posted 12/05/13 07:15 AM Had the same problem new shaft with f150 hd centre bearing and cv and the thing was a bloody nightmare at 100 kph on the freewaySo I took it back to the guy that did it I was not happy so he put my car up on a four post hoist and took offthe rear wheels and held ute up on diff housing thenhe got a velcro stran tapped a weight to it and wrapped it around the back of the tailshaft Put a dial indicator against the chassis and spun it up moving the weight around the shaft till the car got smooth It feels ok but im not sure if this is the right way to do it I need to get it on the freeway and drive it up there again Link to comment Share on other sites More sharing options...
fehlbie Donating Members 142 Member For: 15y 18d Posted 15/05/13 06:56 AM Author Share Posted 15/05/13 06:56 AM Tried spacing the centre bearing to different heights and also tried rotating the flange.Nothing worked.Took the car to them, to see if they could fix it. They couldn't fix it either.So they are making me a new shaft. Link to comment Share on other sites More sharing options...
ScatterBrain Donating Members 316 Member For: 14y 10m 17d Gender: Male Location: Brisbane Posted 15/05/13 07:11 AM Share Posted 15/05/13 07:11 AM Post up a pic of the new shaft when you get it. It'll be good to see what they changed. Link to comment Share on other sites More sharing options...
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