Hi again,
Very interested! So, to catch back up, great gave you the Mustang back, I’ll do whatever I can to help, others will likely do the same. You’re not alone.
So, this same squeaking problem persists. Just gathering information at the moment..
Planned on following up with you, apologies, haven’t been on SN as much of late, family matter.
You’ve likely checked many of these, I’m just trying to get a general idea of everything below...
So far, you checked out your Serpentine belt, you removed it, spun all the driven pulleys and checked their alignment, looked for runout and checked that the torsion spring inside the tensioner isn’t binding, EG; low belt tension.
You could also spray a bit of belt dressing on it to see it the noise changes at all, just to rule it out.
The sound file sounds like a belt at first, but then more of a steel on steel sound, do you agree? If the car is warmed up, then you drive it, no issue, does it change when the temperature outside is warm when you cold start and drive it?
First thought was the Pilot, then TOB. But both were just replaced, correct?
Don’t use traction control while you’re breaking in the new clutch.
Can you tell, In general where the noise is coming from, or the loudest? This goes away when warmed up, you’d mentioned.
New components added to the Engine,
Suspension, Exhaust?
As it occurs only when there’s a load on the
suspension, wheel bearings checked out as OK? As they are more of a rumble sound, generally, just trying to rule out each area as properly functional, move onto the next. Alignment performed, no issues?
Do you have a functional vent purge valve on the rear end?
Driveshaft has been verified as running true and aligned, the driveshaft support bearing assembly you’d mentioned previously, was it removed and inspected?
Pinion angle measurement?
Was any work done to the Trans or rear-end that you’re aware of?, e.g. Rebuild, Gears?
Fluid levels in both the Trans. and rear are ok, no leaks?
Any other driving mode selection been tested to check if the issue remains?
Bought this new- or used-either way, what Warranty coverage remains?
Can you associate when this noise began occurring with any recent work of any kind on the vehicle, or where you were especially hard on it?(Know you don’t beat it), looking for any association, to time of anomaly.
Talk to you soon!
Best!
-John