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  #1  
Old 01-07-19
Ian H Ian H is offline
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Default Knocking noise in the rear

I've got a knocking noise which is hard to locate when sitting inside the car but it sounds like it's in the rear somewhere. I've emptied all my drawers and any items in the 3rd row seat well to make sure it's not from there but it's still knocking as I go over any small bumps on the road. I've been underneath and given the shockers a shake and they seem firm. I can't see anything else which may be loose so I might have to take it in for an inspection.

It's not a metallic sound, more like a dull knock and it doesn't take much of a bump to do it.

Any clues ? (2015 NX)
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2015 NX GLS, Factory alloy bar, Kings HD Springs & Koni Shocks with 50mm lift, MM Auto Mate, dual batteries with Redarc DC/DC, LRA 58L tank, Safari snorkel, Boo's bash plates (full set), 17" steels with BFG KO2's, Drifta drawers with slide, TPMS, Uniden UH8080S. Goldstream caravan and a TVan Firetail.
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Old 01-07-19
Pixie_au Pixie_au is offline
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Checked the tow hitch in the receiver (if applicable)?
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  #3  
Old 01-07-19
Ian H Ian H is offline
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Nope, already took that out, and the pin. It's a noise like that would make though.
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2015 NX GLS, Factory alloy bar, Kings HD Springs & Koni Shocks with 50mm lift, MM Auto Mate, dual batteries with Redarc DC/DC, LRA 58L tank, Safari snorkel, Boo's bash plates (full set), 17" steels with BFG KO2's, Drifta drawers with slide, TPMS, Uniden UH8080S. Goldstream caravan and a TVan Firetail.
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Old 01-07-19
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nj swb nj swb is offline
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Rear door?
Spare wheel or cover?
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Project: NJ SWB. 285/75R16 ST Maxx, 2" OME suspension, 2" body lift, ARB 110, 120l tank, bullbar, scratches, no major dents. Fully engineered in SA. NW DiD & auto in place - a long way to go....

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  #5  
Old 01-07-19
Ian H Ian H is offline
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The door seems sturdy but it did sound like some noise was coming from there. It's hard to tell riding in the back when my wife is driving.

I think part of the problem is the monocoque construction whereby any noise travels right through the car body so it's not easy to locate.
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2015 NX GLS, Factory alloy bar, Kings HD Springs & Koni Shocks with 50mm lift, MM Auto Mate, dual batteries with Redarc DC/DC, LRA 58L tank, Safari snorkel, Boo's bash plates (full set), 17" steels with BFG KO2's, Drifta drawers with slide, TPMS, Uniden UH8080S. Goldstream caravan and a TVan Firetail.
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Old 01-07-19
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With the weight on the wheels grab the top of the rear shockers and give them a big hard wiggle, I have found the top mount loose before on others Gen 4s.
Also check wheel hub nuts.

OJ.
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Old 01-07-19
Ian H Ian H is offline
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Will do, thanks OJ.
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2015 NX GLS, Factory alloy bar, Kings HD Springs & Koni Shocks with 50mm lift, MM Auto Mate, dual batteries with Redarc DC/DC, LRA 58L tank, Safari snorkel, Boo's bash plates (full set), 17" steels with BFG KO2's, Drifta drawers with slide, TPMS, Uniden UH8080S. Goldstream caravan and a TVan Firetail.
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Old 02-07-19
Lazarus Lazarus is offline
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seat belt buckle?
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  #9  
Old 03-07-19
Glenno Glenno is offline
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Hi Ian, had same issue in my 2016 NX . It was the exhaust system so check out the rubber hangers.

Cheers
Glenn
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  #10  
Old 03-07-19
Ian H Ian H is offline
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Thanks for that, I did give the pipe a tug and it does move around but I didn't think it would be enough to contact anything around it. Was your issue at the rear or somewhere else along the exhaust ?
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2015 NX GLS, Factory alloy bar, Kings HD Springs & Koni Shocks with 50mm lift, MM Auto Mate, dual batteries with Redarc DC/DC, LRA 58L tank, Safari snorkel, Boo's bash plates (full set), 17" steels with BFG KO2's, Drifta drawers with slide, TPMS, Uniden UH8080S. Goldstream caravan and a TVan Firetail.
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