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-   General Nissan R35 GT-R Chat (https://www.gtr.co.uk/forum/general-nissan-r35-gt-r-chat.html)
-   -   At what point do I need to get the bell housing fixed? (https://www.gtr.co.uk/forum/160476-what-point-do-i-need-get-bell-housing-fixed.html)

hairyaardvark 28th January 2012 01:33 PM

At what point do I need to get the bell housing fixed?
 
Guys, your advice please.

My GTR has recently started with the well known dinner-plate rattle from the bell housing, but ONLY when accelerating over rough ground, not all the time.

Is this too early for a successful warranty claim and fix, in your opinions?

My car is kinda late to the party - a 59 plate with 28k miles. Surprised it hasn't had the problem before now tbh.

Cheers
David R

SamboGrove 28th January 2012 02:10 PM

I'm wondering the same thing. Have my 18 month service at litchfields in april so gonna get Iain to take a look then. He did mention there was some play on it last service and to keep an eye on it. At the moment its no louder than any of the other rattles/noices the beast makes anyway so not too concerned.

HSimon 28th January 2012 03:19 PM

Just got mine back from having the bell housing done, and its so smooth and quiet now. I was told, this was the modified part, that i had fitted, so we will see how long it lasts, regards, SIMON.

charles charlie 28th January 2012 03:27 PM

When mine went on the M6 it was not a pleasant experience so my advice is get it done as soon as you first notice it.

You'll be amazed how smooth your car should run once it's done.

fozi.g 28th January 2012 04:18 PM

looking forward to getting mine done next week. The rattling's driving me mad!!

tomgtr 28th January 2012 04:41 PM

Wasnt the dinner plate rattle related to springs on calipers? Mine does that. Car just got a new gear box so hope I won't have to give the car in again for another fix.

OldBob 28th January 2012 04:52 PM

Yes the "dinner plate rattle" comes from the rear over certain surfaces etc and others have shown in their case that this has been related to the rear brake retaining springs. The bell housing rattle obviously isn't from the rear (but where the bell housing is ;-) .. from inside the car it appears to come from underneath and forward of where the CD player area is. Search and you'll find it rattles on tickover, mainly abates as you rev and can cause vibration at speeds IIR. so quite different to the dinner plate stuff.
When I was under the car at Litchfield we could move the front end of prop shaft about 2-3mm up, down and side to side which is probably excessive play and as a result I'm probably going to get it seen to too at next service point.
Although the rattle isn't horrible on tickover although I can convince myself I can feel a bit of a vib/rumble around a ton, but this could just be hypercardria :-)
Sure others will put me straight if I've got it wrong.

OldBob 28th January 2012 05:05 PM

Aardvark, do you have a aftermarket Zorst? I only ask because for a while after I had a Milltek fitted (on MY10) I would get a tinny rattle when accelerating hard over a bumpy surface. Turned out to be one of the undertray cooling fins touching the mid exhaust support arm when the tray flexed. There was only a few mm clearance and putting a few washers on to move the tray down a further 4-5mm at that corner solved the problem.

HSimon 28th January 2012 05:09 PM

I had a look at the removed, old bell housing on my car, and the coupling moved up and down by a few mm. I was quite surprised by just how much play there was, no wonder they rattle. I hope the modded, if indeed they are modded, version, will last a lot longer.

hairyaardvark 28th January 2012 06:21 PM

Some very interesting comments, thanks chaps.

OldBob - yes i do indeed have a Milltek Race system fitted! And the commencement of this noise about 3 months ago might well be around the time it went on. Need to check my dates.

So now there are two possible culprits for the noise - brake springs and backbox .... definitely coming from the rear, and only on bumpy bits in the road - so probably not the bell housing after all.

Actually if it is the brakes then I'm not worried. And if it does turn out to be the exhaust then I'll ask Litchfields to sort it next time I'm in. Either way I'd be chuffed if that was all it was.

thanks all
David R

OldBob 28th January 2012 10:03 PM

Aardvark its not the back box bit. In my case it was just after where the mid section joins the rear section (pre back box), ie about half way along the car slightly to the left. The sound transmitted such that it appeared to come from the rear right for some reason as well as underneath. I can send pictures if you need and sure Iain knows where. The undertray front is held by a few bolts. If you look from the front the right hand side is where the exhaust runs just next to the tray. The supporting arm of the exhaust runs within about 5mm of the front edge of the first fin of the tray and as the tray flexes it clatters the arm and transmits a rattle throughout the tray. For me simply putting two to three washers in between the tray and car on the nearest bolt to the exhaust pipe moved the touch point far enough away such that a wheel hop whilst booting it over bumps doesn't make any noise at all.
Might be the same for you..if MY 10 and Milltek

charles charlie 28th January 2012 10:24 PM

I'll just add that the noises which preceded my BH failure seemed to emanate from the rear passenger wheel area, and not from the front as one might imagine.

OldBob 29th January 2012 09:42 AM

^interesting CC, was that a noise/vib or what on the move or ticking over? what do you think the reckoning behind it coming from there is? Oh well Aard looks like I might have given you a bit of a bum steer!

hairyaardvark 29th January 2012 01:39 PM

Thanks for the tips chaps .... I'll bear these all in mind, and update this thread when I get to the bottom of it.

cheers
DR

robsm 29th January 2012 01:59 PM

http://www.courtesyparts.com/32040x-...-p-637161.html

Is this the part that's replaced? anything else?

HSimon 29th January 2012 02:47 PM

That looks like the fella.

Steve 29th January 2012 05:00 PM

Any adverse noises - sort them quickly as could be very expensive.
What I find interesting about all these Bell house noises and brake whatever noises is that my car, as most of you know, is, dare I say - an "import" and I to date, have had no issues with any of this. I track my car, I have used it of a Europe tour of the hellish passes, I did a Tour of Scotland last year and nothing seems to untoward with my car (I think, hope and pray LOL) 17k miles and going strong and looking forward to first track day at CC on 18th Feb

WingedBeast1968 29th January 2012 11:47 PM

Few people come here to say the car has not ...
No issues with mine so far, since September 2009. Doh! That's blown it. :)

GRowsell 30th January 2012 08:43 AM

Quote:

Originally Posted by Steve (Post 1569278)
Any adverse noises - sort them quickly as could be very expensive......

I'd agree with that...

When I first got my R35, I posted up on here to say it had some terrible noises, but was assured that 'they do that' and 'you'll get used to it'.

It wasn't till it went into Litchfield to get the new gearbox software (and a few other bits :blahblah: ) that Iain said it was the nosiest bell housing they'd heard.

I did wonder whether that's like when a girlfriend tells you that you've got a huge w!lly (always worries me how many they've seen to justify that comment :runaway: ), but when the gearbox software had got rid of all the horrible transmission shunting noises, and I had the Miltec Y pipe swapped for a silenced one, it really highlighted quite how bad the bell housing was.

Thankfully it's due back from Middlehurst this morning (only took them nearly 3 weeks :chairshot ) with one of the new design bell-housings (KB02A instead of the original JF02A).

Should be as quiet as a Lexus now :nervous:

enshiu 30th January 2012 09:05 AM

so different bellhousings in JDM, USDM, EDM,SA and ADM cars?


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