Sponsored

Whirring Noise From Rear End After Curb Smack

Cassius

New Member
Joined
Aug 18, 2018
Threads
1
Messages
3
Reaction score
1
Location
Australia
First Name
Darren
Vehicle(s)
S550 Mustang GT
Hey,

First post here so if its been asked before, I'm sorry - I've searched diligently without finding a similar thread or answers. Some forum dudes get so righteous about this...

So I was "testing" the latest iteration of my tunefile yesterday. I had been lucky until this incident as I've had the back come around a few times, these things do that so easily... Not this time, with no power on and just a bit of momentum the back came around so fast and LHS rear smacked the curb.

I drove back to our workshop gingerly to get out of the danger zone as every bellend and their dog has a dash cam here just waiting to send the footage to the police.

There was a new whirring/buzzing noise under power coming from the affected wheel area and maybe the feeling of a flat tire. It was uncool.

I got the car on the hoist and to my surprise the rim was relatively unscathed, just a bit of wife like curb rash carelessness.
I looked everywhere, toe control arm, all the bushes and rod ends - nothing obvious. Put the car in 1st gear and let the wheels turn. The wheel/tire is running true, the half-shaft/axle on the affected side looked fine. The wheel looks to be at the correct angle and evenly spaced outside the wheel arch.

So I took it out for another spin to see that I wasn't being a hypochondriac - definitely something wrong, whirring buzzing under load over 80km/hr. Back on the hoist, pulled the wheel off, still nothing obvious, pulled the wheel bearing assembly out, it feels like a new one should (hard to simulate any sort load obviously but nicely stiff and smooth). Haven't pulled out the whole half-shaft yet but as I said before it was running true and silently on initial inspection.

Am I missing something obvious? Will pulling the axle show up any issues with the CV ends if they exist? Or maybe I've munted the diff?

Any good help or a similar story and remedy will be greatly appreciated.
Sponsored

 

moffetts

Well-Known Member
Joined
Nov 30, 2015
Threads
14
Messages
978
Reaction score
325
Location
San Mateo CA
Vehicle(s)
Black Whippled 2015 GT PP
Definitely start with a new hub/bearing assembly on that side. When they are damaged they can emit a low growling/whirring sound.
 
OP
OP

Cassius

New Member
Joined
Aug 18, 2018
Threads
1
Messages
3
Reaction score
1
Location
Australia
First Name
Darren
Vehicle(s)
S550 Mustang GT
Cool, thank you for your reply

I have replaced the bearing and will test it out today
 
OP
OP

Cassius

New Member
Joined
Aug 18, 2018
Threads
1
Messages
3
Reaction score
1
Location
Australia
First Name
Darren
Vehicle(s)
S550 Mustang GT
Just for everyone's info, replaced hub bearing and noise is gone - phew!!!
Sponsored

 
 




Top