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Rear wheel wobble... |
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amx73 
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Joined: Aug/28/2009 Location: NJ Status: Offline Points: 294 |
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 Topic: Rear wheel wobble...Posted: May/28/2019 at 12:44pm |
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So, I had my 71' AMX out all weekend, and it ran great. But, at a stop light someone pulled up next to me and said my passenger side rear wheel was wobbling. I didn't feel anything while driving the car. Slight vibration under heavy braking. I re torqued the lug nuts, didn't notice anything out of sorts. What could I be missing?
Jake
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purple72Gremlin
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Charter Member Joined: Jul/01/2007 Location: Illinois Status: Offline Points: 16611 |
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Posted: May/28/2019 at 12:47pm |
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Bent wheel? Otherwise Id be looking at the hub, and the axle.....makes me wonder if the hub is loose or starting to spin? Or possibly a broken belt in the tire?
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amx73
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Joined: Aug/28/2009 Location: NJ Status: Offline Points: 294 |
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Posted: May/28/2019 at 12:59pm |
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Running 15x8 Mini lite wheels with fairly new BFG radial TA tires. I did do one burn out in the driveway a few weeks ago, and the passenger side rear tire, she was a smoking! Might have started to spin the hub?
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Red means run son, numbers add up to nothin'!
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amx73
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Posted: May/28/2019 at 1:00pm |
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If it was an issue with the hub, or axle wouldn't I feel that at speed?
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Red means run son, numbers add up to nothin'!
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304-dude
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Joined: Sep/29/2008 Location: Central Illinoi Status: Offline Points: 9082 |
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Posted: May/28/2019 at 1:19pm |
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It wouldnt hurt to check, and retorque if it has not been done for some time. Even when not hard on the axles, one will loosen eventually. When i took my axles apart, one was loose enough to use my hand tools to remove, while the other was removed with a press.
Also it wouldnt hurt to take your wheel in and have it checked for balance. Throwing a weight will cause wheel wobble, and depending on how bad on out of balance, won't be noticable until at highway speeds. |
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71 Javelin SST body
390 69 crank, 70 block & heads NASCAR SB2 rods & pistons 78 Jeep TH400 w/ 2.76 Low 50/50 Ford-AMC Suspension 79 F150 rear & 8.8 axles Ford Racing 3.25 gears & 9" /w Detroit locker |
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JGRANTAMX
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Joined: Jun/02/2017 Location: Maine Status: Offline Points: 1697 |
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Posted: May/28/2019 at 1:22pm |
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Put the rear up on jack stands and with the car running in low or 1st gear watch the wheel for wobble.
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White70JavelinSST
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Joined: Aug/08/2012 Location: Minnesota Status: Offline Points: 4867 |
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Posted: May/28/2019 at 2:22pm |
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Raise back of car so tire is a few inches above the ground. Put a "pointer" close to the surface of the suspect wheel near the rim bead, with trans in neutral slowly rotate wheel by hand, making sure you push on the wheel toward the center of the car to eliminate axle play. If distance between the pointer and the wheel face (bead) by the tire varies much you either have a bent wheel, a bent or untrue hub or bent axle. Remove the wheel and check for lumps of something between the wheel and the hub. do the same thing against the hub with the pointer. if that varies you've begun to narrow it down. good luck
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70 Javelin SST, second owner, purchased 1972
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Greyhounds_AMX
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Posted: May/28/2019 at 6:58pm |
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Block the front wheels, jack it up, start it up, put it in drive, and see if it wobbles.
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1968 AMX 390 w/T5
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amx73
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Joined: Aug/28/2009 Location: NJ Status: Offline Points: 294 |
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Posted: May/28/2019 at 7:30pm |
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oh it’s wobbles alright. Both sides! But, I figured out why.
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Red means run son, numbers add up to nothin'!
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304-dude
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Posted: May/28/2019 at 7:36pm |
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Blast! Them wee fasteners... I thought it might have been the weights on the drums, but not all drums have them. Though most wheels will clear the drum weights. You dont need the fasteners, or you can counter sink the holes and use a proper screw head if needed.
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71 Javelin SST body
390 69 crank, 70 block & heads NASCAR SB2 rods & pistons 78 Jeep TH400 w/ 2.76 Low 50/50 Ford-AMC Suspension 79 F150 rear & 8.8 axles Ford Racing 3.25 gears & 9" /w Detroit locker |
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