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Rear end rattle!

Guest

Guest

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hi all

Got a rather annoying metallic chattering sound coming, i think, from the rear passenger side wheel area. Noticable when driving round town at low speed going over small bumps in the road, however when ever i so much as touch the brake peddle the sound stops, then returns when my foot comes off...... anyone any ideas?

 
When mine did this it was the handbrake mechanism on the passenger side failing and rattling around. It was 'fixed' but flew apart (wheel still turned but the grinding noise had people looking out of windows as I limped to safety). Damaged the linings and every moving part in the drum (shrapnel). All the levers and linkages needed to be replaced.
 
Hi

interesting!! it had a complete new handbrake mechanism fitted back in March, linkages, linings, also rear discs and pads..... I wonder if somethings not quite right, I can feel a weekend project coming on! maybe something needs adjustment
 
I had what sounds like the same rattle when I first got mine. The rear pads had been replaced without refitting the shims so the pads were chattering around. Obviously putting my foot on the brake pedal caused the noise to stop.
 
cheers Steve

Could be that, i'll have to get it stripped down over the weekend and check it out. Got to find out what it is it's driving me nuts! it definately goes quiet whenever i touch the brakes so highly likely cause, not having fitted the new discs and pads myself i'm not sure if the shims are missing or not.

Thanks

 
Surely if it was handbrake related then footbrake operation shouldn't affect it? Isn't the handbrake drumbrake cable operated and completely independant of the rear calipers?
 
You would think, but this was not the case. I don't understand what went wrong or why as I agree that the two systems are completely seperate. I assumed that applying the brake caused something to swing forward away from what ever it was rattling against in the drum stopping it rattling. When the whole lot came adrift I was redlining onto a dual carriageway.

I would look at the calipers as a first stop, but not ignor the drum if the calipers are alright. Calipers are easier to eliminate in the first instant.
 
Just like Mikie-gb, my handbrake went AWOL - right in a busy high street, and tangled its self around the rear wheel and did a load of damage. Nursed it home ar 30mph making a right row and everyone stareing - felt a right prat. Only difference, it wasn't making any noise prior to this happening.

 
My BM is facing new handbrake shoes tomorrow - mainly because one of the retaining pins was broke, and caused the shoe to slide on the inside of the disc continuously.

Strangely, although it wasn't connected physically, when the calipers were activated, the noise went away. Probably due to the pad being used as a noise supressor when in contact with the disc!
 
Another thing to check is the disk backing plate. It is held on by 2 bolts and commonly rust through around the bolt causing the plate to rattle around a bit. The plate is cheap from Porsche but you have to remove the calipper and brake disk to replace. Alternatively a big washer can 'cover' the hole.

The springs that hold the shoes inside the brake disk hub also often break [8|]
 
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