sl r230 grinding noise from rear

8678aggy

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hello everyone,i have a grinding noise from the rear of my 2007 sl,the brakes have been done and the handbrake shoes are ok,the brakes were set up on my copy star so i am assuming ok ,i have changed the gearbox recently so that can be ruled out ,my associate thinks it is the diff but i think it is brake related.you cannot hear the noise when accelerating ,only when you take your foot off,but it is there all the time ,mb pads fitted.the noise sounds like a back plate catching.any comments appreciated,i should mention this is a water damaged car,many thanks,mike.
 

television

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I would just jack the rear end and turn each wheel in turn, the back plates can get bent, the only other moving thing is the prop shaft
 
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8678aggy

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is it posssible it could be a bearing,i will put it on a lift ,take off the wheels and drive it,with the suspension supported,could it have anything to do with the suspension sitting very high,regards mike
 

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Not a bearing or the noise would be a humming,But I am not sure if water would have affected them
 

Pathfinder

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Sounds like the handbrake shoes not aligned correctly.
 
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8678aggy

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sl grinding noise

hello,jacked up rear end while car on a four post lift and put into drive ,the noise appears to come from the centre carrier so it looks like a second hand propshaft or a repair,have to see which is most economic,anyone had any experience doing this,regards mike.
 

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I wonder how this all fits in with the car being too high at the rear
 
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8678aggy

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hello,i sincerely hope that if the propshaft is sorted,it may solve my other problem,i still require a psp for ar230 2007,do you where i can find one ,been on ebay, only one is too much for a second hand ,regards mike
 

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Phone around the breakers
 

Richard Hinds

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Hi there, I'm not sure if this is relevant, but when I got too adventurous with my Nissan Navara, and went through some VERY deep water, my prop shaft U/J's failed soon after. This may explain the noises you are experiencing, but I don't think would explain the high ride height. As I have a similar 2007 SL350, I'd be interested in the eventual outcome of your "noises" and strange ride height.
Richard
 
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8678aggy

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hello,will let you know ,regards mike
 

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