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Fft Ffft Rythmic Noise From A Wheel

malialipali

By malialipali,
in Four Door Family & Wagoneers

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malialipali Enthusiast

malialipali

Posted
Posted (edited)

Ok this one is driving me batty.

2001 M35 141xxx on the clock

Things done so far.

- New rear rotors

- New rear pads

- Adjusted handbrake cable to stop clinking noise

- Replaced inner front drivers cv boot

- No play in bearings at all

- New tyres on the front balanced and aligned all four (rears are at 90%) no flat spots bulges tears or repairs.

- Hub centric rings on the way (car came with aftermarket 18s)

- New front ball joints on the way - boots just started to split.

I have a noise coming from the rear right (possibly front but hard to discern) its rhythmic with the speed of the car once per revolution frequency is directly proportional to speed, sounds like ffft ffft ffft ffft , almost like a nail in the tyre. Really prominent when driving next to a wall or similar.

There is no vibrations no creaks no clunks.

I have stripped each wheel back to the hub and checked and cleaned everything put it together , apart from the balljoints the the hub rings and the Nissan shaft ping when taking off everything looks to be in order.

Can anyone point me in another direction?

Im leaning towards ordering new rear bearings even though there is no noise from them no play no grinding whirring or humming.

Thank you all in advance

Edited by malialipali
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https://www.sau.com.au/forums/topic/460404-fft-ffft-rythmic-noise-from-a-wheel/
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datmoo Proficient

datmoo

Posted
Posted

Open all the windows and do some hard cornering (not so fast that you can't hear from wind noise) to load up the wheels and suspension on each side to try and isolate which corner the noise is coming from.

66yostagea Grand Master

66yostagea

Posted
Posted (edited)

A stone stuck in the tread? A wheel weight hitting a suspension arm?

I'd check for a stone or a foreign object stuck in the tread.

Or the hand brake may not release sufficiently. I don't know if a 35 has a drum hand brake like the S1.

Edited by 66yostagea
GTRPSI Mentor

GTRPSI

Posted
Posted

I saw a BF falcon with something similar today.

I helped the owner pull it apart to find the bolts holding the handbrake mechanism had undone themselves and were so far out that they were hitting the back of the wheel studs.

Never would have guessed it till we opened her up......

malialipali Enthusiast

malialipali

Posted
  • Author
Posted

Apologies for not responding promptly all.

Thank you all for your replies.

In the last few days I have stripped it all back checked every nut bolt split pin rubber and circlip , taken a steel brush to all the tyre treads. Checked in case if the steel straps on the recently changed CV boot became unraveled - nope still there all snug.

Re-adjusted the brake shoes again, checked for play in bearings shafts swaybars and links. Even looked for a wheel weight touching as mentioned above.

Nothing absolutely nothing out of place.

Then this morning on the way to the office fttt ftt ftt ftt - driving me nuts of course , and about 5 km into the trip and it just stopped ........... what the hell.

Anyway spent the last 90 min with the car on stands checked it all again - all looks good.

Went round the block no noise.

This is one weird gremlin that decided to go I guess.

I can only speculate at the moment that cause the wheel bore is bigger than the hub (until my rings arrive) that the new rotors are offcentre when i do up the rear wheel - unlikely as there is nill vibration as per my seat vibration meter :P

I hate noises in cars i.e. squeaky brakes , grinding bearings etc etc basically I cringe whenever I hear a clapped out falcodore drive past so this noise was seriously pissing me off. Glad its gone but not knowing what it was is equally as annoying now.

Thank you all once again.

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