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WTF could be causing the vibration

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cornbread

20+ Year Contributor
116
1
Mar 25, 2003
norwalk, Connecticut
Ok will try and explain this as best as I can. I have this annoying vibration shit happening with my car. It feels like it’s coming from the front left ¼ of the car. This all stared happening Saturday night after I did the following things. I changed passenger side outer tie rod and put new tires on (tires were balanced). After making those changes I took the car for a ride and it felt fine needed an alignment but it was not bad at all. Later that night I hooked up the wideband and headed out for a few pulls (car has bin sitting for 2 weeks). On my way to the HW I felt vibration coming from the left front of the car, kinda felt like a flat tire. I pulled over didn’t see anything wrong so I kept driving vibration was gone. Did like 4 pulls on the HW and took the car to my friends place parked for a while and chilled. About 2 AM I’m on my way home and the vibration comes back. I pull over again because it feels like a ####ing flat tire. Once again nothing I can figure out on the side of the road. I limp the car home with the vibration going on and off during the trip home (Bridgeport to Norwalk).

Next day I jacked the car up looking for any thing that might be loose and found nothing. I called a few people and they said an alignment will fix it. So I took the car to get an alignment car shoots in a strait light but ####ing vibration is still present still on and off still feels like a flat tire. I drove around last night for a wile trying to figure out at what point the vibration starts. Seem to come on during deceleration while engine braking. Once it comes on I pop in neutral to see if it is tranny related but it keeps doing it until I come to a full stop. I have done some searching on tuners, NABR and such and got some ideas (U-joint, bad motor mount, bad Tcase or loose ½ shaft bolt, bad front drivers axle and wheel bearing). If anyone ever experience something like this and can help me please do before a take a bat to this POS.
 
CV joints can go bad pretty quick if the rubber boot gets torn.

Another possibility id that the "tape" wheel weights the shop installed to balance the wheel may have fallen off?
 
cornbread said:
...
I have done some searching on tuners, NABR and such and got some ideas (U-joint, bad motor mount, bad Tcase or loose ½ shaft bolt, bad front drivers axle and wheel bearing). If anyone ever experience something like this and can help me please do before a take a bat to this POS.

You didn't mention balance, bent wheel, rotor, or hub. Improper torque procedure for wheel, damaged tire with bubbles or blisters on tire tread or sidewall. Check wheel runout to see if it's wobbling while rotating, if you torqued one lug nut down and then did the others in similar fashion it's possible it didn't seat correctly.

You are just going to have to rule some of these things out. It is not unwise when taking a wheel off to put it back exactly on the same lug studs where it came from.

Cheers,
GTM
 
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