S2000 Under The Hood S2000 Technical and Mechanical discussions.

rear click?

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Old Aug 10, 2006 | 05:18 PM
  #1  
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Default rear click?

So ive read all these threads on people having the click in the rear when driving...how loud is this click, is it really noticable? Im trying to see if mine has it but I have not heard anything out of the ordinary.

TIA
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Old Aug 11, 2006 | 02:05 PM
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you will hear it. it sounds if someone lets a big bolt fall on a metal plate from low height.

I only have it when the S is standing still and the drive away.
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Old Aug 11, 2006 | 03:01 PM
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I had a click once

it did it more while backing up

ended up being the rear break pads (a little tab or something)


just thought Id add this for you to check, your noise could be totally different
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Old Aug 11, 2006 | 03:25 PM
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I actually have a click now....it happens when I start from a dead stop and when I back up....And also when I change gears it clicks sometimes and when im cruising and I let off the gas and the car sorta lurches forward as it slows down...it does it then to. It sounds like it may be the rear diff. Has anyone else had this problem and it wound up being the diff failing? Or the lsd or something. (im not very good mechanically with drivetrains). I also was thinking of maybe changing the rear diff fluid to something a little better. Does anyone have any reccomendations? And do I use the same fluid in the rear diff as in the trans when I get new stuff? Is it still 75w 90 or what else could I use? Thanks for reading this and if you can answer one of my hundred questions it would be very much appreciated. I just worry ALOT about that click because rear diffs are expensive to replace.
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Old Aug 11, 2006 | 03:32 PM
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I use Mobil 1 Diff Fluid 75w 90


You need to have some one else drive your car while you walk by it that's what I did

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Old Aug 11, 2006 | 04:37 PM
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It's the spindle nut that needs to be upgraded. Take it to Honda or you can do it yourself. They told me this is common to most s2000's (mine is pre04). The new nut is longer and holds better. They changed mine and the problem is solved. No more clicking noise.
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Old Aug 11, 2006 | 05:44 PM
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this should help

23 REAR AXLE NOISE
A small number of owners report Rear Axle Nuts problems. Rear axle nuts are not loose, they just need to be retorqued to keep the hub from shifting on the axle splines which make the tick tick noise. The axle nut is "staked" and will not come loose from the axle. This is distinguishable by a clicking sound during quick starts in forward or reverse; however, don
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Old Aug 12, 2006 | 05:54 AM
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[QUOTE=djpeak10,Aug 11 2006, 05:44 PM] this should help

23 REAR AXLE NOISE
A small number of owners report Rear Axle Nuts problems. Rear axle nuts are not loose, they just need to be retorqued to keep the hub from shifting on the axle splines which make the tick tick noise. The axle nut is "staked" and will not come loose from the axle. This is distinguishable by a clicking sound during quick starts in forward or reverse; however, don
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Old Aug 12, 2006 | 06:34 AM
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You don't need new axle nuts.

Just make sure you clean up the threads and everything else where the nut makes contact, apply anti-seize, then torque to the new spec.

I did mine at 45k miles and I'm at just over 65K now with no issues.
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Old Aug 12, 2006 | 07:22 AM
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JDMilanoEG Posted on Aug 12 2006, 01:25 AM
I also was thinking of maybe changing the rear diff fluid to something a little better. Does anyone have any reccomendations? And do I use the same fluid in the rear diff as in the trans when I get new stuff? Is it still 75w 90 or what else could I use? Thanks for reading this and if you can answer one of my hundred questions it would be very much appreciated.
There is a TON of info about oils and whatnot in the stickies on top of UTH

For the diff Honda recommends SAE 90 GL-5 oil.
Depending on where you live you could also use LE-607 SAE 90 GL-5, Honda Marine SAE 90 GL-5 Hypoid oil, Mobil 1 75W-90 Gear Lube.

For the transmission Honda MTF is available.
There are other MTF oils available too, its a long list.
Do NOT use diff oil in your transmission!
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