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Re: Clutch issues and potential upgrades
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Just got ours back this morning, 12 days Nissan had it, it was the clutch and flywheel that needed replacing , got it through the warranty thankfully
What did they say was wrong?
Half your luck.
Nissan knocked mine back and they still couldn't tell me why it died.
I have ordered my solid flywheel and heavy duty clutch kit this morning.
According to every Brake and clutch place I went too, there are major problems dealing with the dual mass flywheel which are in 80% of new cars sold.
One place said that he replaces at least 3 new car clutches a week.
He's recent one was an 09 Patrol with 17000kms on the clock, they opted to replace with original dual mass flywheel and clutch and of course the Nissan warranty didn't cover it.
It cost them $4500.00. 
At least now I know that I will have a decent clutch under my foot.
--- Tony X-891c
2008 T31 St
HERE is my X Trail
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4/Nov/2009, 7:14 pm
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Re: Clutch issues and potential upgrades
Well things have gone from bad to worse now knowing that there is absolutely no aftermarket flywheel and clutch available for the T31.
The problem is the thrust bearing which in a T31 is a concentric slave cylinder, basically a hydraulic master cylinder inside the bell housing. Not using a fork type which T30 models have.
Ironically its stamped 'Renault" so go figure.
Looks like genuine is the only way to go unfortunately.
Am not looking forward to this. 
--- Tony X-891c
2008 T31 St
HERE is my X Trail
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10/Nov/2009, 6:20 am
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Re: Clutch issues and potential upgrades
I am currently lodging a complaint with the Office of Fair Trading regarding NMG.
They sent the flywheel away again and Nissan rejected it again.
The flywheel has 11mm more travel in diameter and twice the allowable on deflection.
They say it has no manufacturing fault.
This is my last resort to trying to get things replaced, I have had a gutfull and lost too many day's work chasing them up.
It will cost over $3500 to replace.
--- Tony X-891c
2008 T31 St
HERE is my X Trail
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11/Nov/2009, 9:09 pm
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Re: Clutch issues and potential upgrades
Hi Tony
I bet this has left you quite anti-Nissan. Some questions :
Do you tow on a regular basis & do you have a braked trailer?
Do you have a pic of the thrust bearing assy - I have only known of the fork actuated units ?
I assume the concentric design picks up on the flywheel main shaft, which is why you cannot source just any flywheel, but surely a good machine shop should be able to adapt one?
I am going to treat mine with more respect - I do let the clutch out completely before building up revs on the diesel.
John
--- TL dc i, manual, twilight; bash plate, jaos strut bar, BFGs' on 16x7 rims, factory tow bar & roof bars
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14/Nov/2009, 10:04 am
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Re: Clutch issues and potential upgrades
Hi John
The trailer weighs close to the 750kg mark and is un braked.
I used to tow everyday but now maybe once or twice a week.
I don't have a picture as I gave it back to the gestapo.
I have never seen one like this, definately no where near the fork type.
I will have a look on the ESM to try and find it for you.
It works exactly as the fork type, but all hydralics are in the bell housing with just an oil line penetrating.
--- Tony X-891c
2008 T31 St
HERE is my X Trail
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14/Nov/2009, 6:19 pm
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Re: Clutch issues and potential upgrades
Ok, after much effort here is the Esm picture of the Concentric Slave Cylinder.
As you can see it is fully enclosed in the bell housing and uses no fork to operate the thrust bearing which is pictured in the bottom L/H corner of the Diagram.
The Diesel version is the same, it only has a different shaped bell housing.
--- Tony X-891c
2008 T31 St
HERE is my X Trail
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15/Nov/2009, 7:15 am
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Re: Clutch issues and potential upgrades
Tony, the QR25DE motor in the T31 x-trail has similar revisions to the QR25 in the B16 sentra in the US. Have you checked that JWT/Brian Crower none of those overseas brands sell the appropriate fly/clutch?
Check here: specvforum.com and thespecvboard.com <- those guys (omar, preston, BJ and joe are mighty helpful, have a yarn with them at the new options other than genuine)
Also, save some coin and buy a X-treme clutches solid fly instead of the genuine one, by the looks of the assembly, the fly has no effect on the operating system of the clutch. you could use a mix up of x-treme solid fly, genuine pressure plate, x-treme's friction plate and the genuine release mechanism, as long as it fits, i cant see why it wont work, dont be foreign to the idea of using a mix of parts clutch wise! Most of the sentra guys use Z32 (300zx) non-turbo clutches (240mm) when putting VQ motors infront of a QR25 cog-swapper, so thats a combo of aftermarket, VG30, QR25 and VQ30 parts!
My setup (albeit a T30) is a mix of parts like above too, ive had no problems at all.
good luck buddy.
p.s. maybe even look into converting the Concenrtric system into a push type used in the T30 if its possible, except 1) a normal workshop would really do it (go to a performance workshop) and 2) it might void your warranty...
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18/Nov/2009, 1:32 am
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Re: Clutch issues and potential upgrades
Thanks Cam
The solid flywheels that I could source were one tooth short in the ring gear. 124 teeth compared to 125 on the standard one.
The supplier did say it won't make a difference, but I was hesitant.
All be it that the ring gear can be removed and re fited, the guy was a little reluctant of doing this as the ring gear is deeply recessed into the dual mass system and there is a chance it may get dammaged, not to mention a few hours work involved.
The clutch can't be mixed and macthed.
I have even enquired about getting on specially made, but because it would be the first, tests have to be done, gearbox removed several times and the codt would be more than a geniune Nissan setup.
With a 'fork type' thrust bearing, the fingers on the pressure plate are cut off sqare and the springs are on the clutch disc to take vibration.
With the 'Concentric Slave Cylinder', the fingers on the pressure plate are rounded up so the bearing contacts on a smaller area.
There are no springs on the clutch plate but in this case the dual mass flywheel takes up any vibration .
As to sourcing it from the States, to be honest, I couldn't be bothered and don't really have the time.
I just want my car back so I can return to more stable work habbits.
Its been in there 3 weeks now and I'm starting to forget what she looks like in one piece.
What's my member no. again?
Its in 'Fair Tradings' hands at the moment, so I'm just waiting to hear back from them.
Thanks Cam, I appreciate your concern.
--- Tony X-891c
2008 T31 St
HERE is my X Trail
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18/Nov/2009, 5:43 am
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Re: Clutch issues and potential upgrades
good news from the sentra board, in the US...
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I don't know about all of the other stuff to make another clutch fit... but, I do know that, no, we do not have an aftermarket clutch available just yet. I e-mailed ACT in February to see if anything would become available. They stated that they had, in fact, pulled a stock clutch and were working on one.
Sorry I couldn't be any more help. If I see anything, I'll be sure to post up.
so for fellow T31 owners, 1) yes, you have the same new release mechanism as the B16 (2007+) sentras and 2) an aftermarket option from ACL (a QUALITY brand) is soon available.
as for cost and shipping, ive no idea!
good luck tony and dronus - hope the CV arent a huuge fix!
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19/Nov/2009, 8:11 pm
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