All has been fine for years, then last year developed a noticeable ‘chuff chuff’ noise at sub 10 mph, changing to a bird like ‘cheep cheep’ noise as speed increased. Slight feeling through the steering wheel – put into garage for suspect wheel bearings. Garage detected possible slight play, but only marginal, so bearings replaced. No other issues found.
All fine for a while then the ‘chuff chuff – cheep cheep’ returned. Not being constant, all the hallmarks of a warped disc, but all fine – no matter swapped discs and pads – all fine for a spell, then it has returned. This scenario has played out over say, 3000 miles. Last time wheels were off, noticed the tyre from the noisy wheel was wearing slightly unevenly on the inner edge. Alignment checked only a few months back – from memory before the noise started and all good. Is it possible the spindle / stub axle has been bent which might give similar characteristics to a warped disc and camber off?
Probably not your issue but my 3.8S does make a VERY subtle chirping noise from the front wheels from time to time. A touch of the brake pedal eliminates it. Probably the brake pad just slightly touching the disc.
Thanks for all comments. Decided to try swapping the front wheels to see identify / eliminate worn splines (in hub or wheel). Swapped over the wheels yesterday, and only a mile or so driven and noise has gone - longer drive today will confirm. Fingers crossed.
Weird – 20 miles today after swapping front wheels over, a trip including a tour of the echo chamber of an enclosed supermarket car park – not a peep. Unless a magician has been at it, swapping the wheels has eliminated the noise. My amateur guess is combined wear on splines & hub on drivers side now mitigated by having worn drivers side wheel on passenger side and inverse vice versa. Fingers crossed – a longer trip this weekend will confirm perhaps or otherwise.