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Rattling Noise Over Bumps From Rear Of Car

INSANITI
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INSANITI Collaborator

INSANITI

Posted
Posted

Hi All,

I have this issue with my car when i go over little bumps. None can quite detect where the noise is coming from. I took it to where i got the car for warranty and pedders and they can't seem to find any issue with brakes or suspension.

Now i found this forum in america below (apologies if i can't attach the link here.)

http://forums.nicoclub.com/rattling-noise-over-bumps-from-rear-of-car-t426204.html

I think that is exactly what my issue is. I did a bit of research and found some clips and images.

I have a few questions?

If i adjust the nut does it affect my disc brake?

On the images i have found, it looks like a parking brake is a shoe type that is different to disc brake? so in other words if i adjust the adjusting nut to tighten it, it wont clamp my disc brake to the rotors?

Are the disc brake and park brake pads different to each other?

I have 2005 V35 and it seems pretty common issue for this model. It so annoying when you have the window down.

thanks hope someone can guide me. i have been driving this car for 2yrs now and the place where i got it from has no clue!

sonicii Veteran

sonicii

Posted
Posted

I have heard of this issue on the J31 Maximas, but not on the V35.

Parking brake is a totally separate mechanism to the rear disc brakes.

You only want to adjust the park brake cable to take up the slack when it is released to prevent the noise, you don't want the park brake to be held on slightly when the lever is released

scotty nm35 Grand Master

scotty nm35

Posted
Posted

With a noise like that someone has to pick up a screwdriver... Can you drop the disk off yourself and take a picture for us at least? I think you will soon find the issue once it is off. Not sure I would be trusting the park brake atm...

INSANITI Collaborator

INSANITI

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  • Author
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When i tried tightening the park brake cable (under the foot brake pedal) the disc brakes started to have uneven marks on disc rotors when braking. Unfortunately i dont have the tools or expertise to even play around with the removal of the rims.

Would i need powertools to remove and place the rims back on to make it tight?

scotty nm35 Grand Master

scotty nm35

Posted
Posted

If you don't have the experience or confidence to remove the wheels, please don't try working on your brakes - take it to a mechanic......

+1

What would you do if the tyre went flat?

I would be putting the pedal adjustment back where it should be, as the drum pads may be dragging constantly now.

INSANITI Collaborator

INSANITI

Posted
  • Author
Posted

can has NRMA membership? I will try to find a mechanic like Jax or midas or something.

+1

What would you do if the tyre went flat?

I would be putting the pedal adjustment back where it should be, as the drum pads may be dragging constantly now.

INSANITI Collaborator

INSANITI

Posted
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Ok so took the car to a reputable mechanic. hoisted it and said took the park brakes apart and said everything looks ok. They spent an hour and half trying to tap the whole car to find it. They said they can hear it but they couldn't find it.

I am wondering now if drive shafts makes rattle noise when it goes over bumps? (i muchly doubt it)

:unsure::unsure::unsure::unsure::unsure::unsure::unsure:

scotty nm35 Grand Master

scotty nm35

Posted
Posted

They would be able to find a driveshaft issue surely.

Where are you located? If you are in Melbourne I could get it on the hoist for a minute and check it out for you, just so you know what the issue is...

INSANITI Collaborator

INSANITI

Posted
  • Author
Posted

Scotty thanks for the offer man. But im in Sydney.

I figured it might be those. But the mechanic said its all in tact.

They tapped the car while hoisted but couldnt hear. However they hear when they are driving over bumps.

Pedders checked it already but couldnt here it when its on them suspension shaker. But can hear it when driving over bumps.

I figured if it was drive shaft they would figure it out straight away.

Should i take it for another nth time opinion? Wasting $$$ paying for no result. :wacko::wacko::wacko:

sonicii Veteran

sonicii

Posted
Posted

The noise is definitely coming from the inside of the disc rotor. I wonder if i need to adjust the park brake adjuster as well?

Wait.. if the noise only occurs while driving, and you can't hear it when tapping around the area or on a suspension shop 'shaker', how can you know that the noise is 'definitely coming from inside the disc rotor'?

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