Slight vibration

[Rob Wallace]

Car is a 2012 PP SHO with approx 125,000 miles on it. Lately it has developed a slight vibration under throttle when at highway speeds. Not sure if I should be looking at the wheel bearings or the axles to correct the issue. It does seem to go away when I take my foot off the throttle and let it coast. Thanks for any input

 

[jake8687]

This may not be helpful, but my 11SHO has a slight vibration at idle. Becomes more prominent and can hear the vibration with the AC running. Looking under the car with engine running I notice the harmonic balance/crank pulley with a slight wobble. My other cars do not have that wobble. I have not replaced it yet. The balancers do go bad.

 

[SM105K]

Could be as simple as a wheel weight dislodged...

 

[jman1200]

Car is a 2012 PP SHO with approx 125,000 miles on it. Lately it has developed a slight vibration under throttle when at highway speeds. Not sure if I should be looking at the wheel bearings or the axles to correct the issue. It does seem to go away when I take my foot off the throttle and let it coast. Thanks for any input

I am chasing something like it, found a torn CV axle boot and dry joint.
Been planning to replace the CV axle but haven't got to it yet.

 

[krewat]

Make sure the PTU is not weeping...

 

[skyshadow07]

If the vibration happens when moving and not while out of gear (revving or holding rpm), Then I would look at suspension, wheels balance, tires, etc instead of the engine's rotating mass.

 

[SHOCALL]

I get a vibe around 70mph. It only happens once as I'm on the highway. After slowing down and then accelarating back to 70mph the vibe is gone.
I can also hear my timing chain at start-up. Once my car is at operating temp, chatter is gone.
I have an appointment next week to check it out.

 

[ShogunofHarlem]

I get a vibe around 70mph. It only happens once as I'm on the highway. After slowing down and then accelarating back to 70mph the vibe is gone.
I can also hear my timing chain at start-up. Once my car is at operating temp, chatter is gone.
I have an appointment next week to check it out.

I have the same issue. Did you find out what was causing the vibration?

 

[SHOCALL]

I have the same issue. Did you find out what was causing the vibration?

Not yet. I blew off two appointments to just stay at the lake. Soon though. I will be sure to post when I do.

 

[SHOCALL]

Noticed antifreeze leak two days ago. Water pump is bad. All timing components as well as wp are being replaced at Sunset Ford in South STL county.
New tires and a fresh alignment and hopefully im g2g.
Glad I bought the extended warranty, it helped a lot.