Jalada Posted November 9, 2014 Share Posted November 9, 2014 (edited) I've managed to consistently replicate some crunching between 4th and 6th gear when accelerating; doesn't happen between 5th and 6th. Looking around on the forum this seems to be a common problem. The only thing is my car is now out of warranty; is this going to be expensive to fix (I expect the answer might be yes...)? And does anyone have advice or recommendations as to whether I should go to my local Nissan garage (Glyn Hopkin, Milton Keynes) or someone independent? If so; recommendations are much appreciated, I don't know anywhere. Car has only been serviced at main dealerships. Any advice appreciated Edited November 9, 2014 by Jalada Quote Link to comment Share on other sites More sharing options...
WhackyWill Posted November 9, 2014 Share Posted November 9, 2014 (edited) Japex are not a million miles from you, speak to Ross there. Top Man they are also traders on here (see their appreciation thread) . :thumbs: http://www.350z-uk.com/topic/33659-feedback-for-japex/ http://www.japexperformance.co.uk/ Edited November 9, 2014 by WhackyWill Quote Link to comment Share on other sites More sharing options...
Jalada Posted November 10, 2014 Author Share Posted November 10, 2014 Thanks Will, I'll give them a ring 1 Quote Link to comment Share on other sites More sharing options...
Jalada Posted January 14, 2015 Author Share Posted January 14, 2015 My car has been with Japex for a week now after an initial gearbox oil change didn't help. Having sent the gearbox to their local specialist, the conclusion is 2nd, 4th and 6th synchromeshes are all worn. Because of the time and labour to have the gearbox out, and because I've said I'm more concerned about doing things properly than cutting corners, they are advising to replace all 6 synchromeshes at an approximate cost of £1500 including labour. Feels about right and I've said to go ahead (pending parts delivery). The car has only 28000 miles on the clock (2010 reg) so it's a bit puzzling, and obviously my primary concern is I spend this money and time getting it fixed and it just happens again one day. Thoughts and advice appreciated. Quote Link to comment Share on other sites More sharing options...
glrnet Posted January 14, 2015 Share Posted January 14, 2015 I don't know if that's dear, I think I would shop around for one or two gearbox specialists. Quote Link to comment Share on other sites More sharing options...
Paddy78 Posted January 14, 2015 Share Posted January 14, 2015 Like Graham said, £1500 seems expensive. Makes you wonder if the box was a duff or whether it's had a very hard 28k! Quote Link to comment Share on other sites More sharing options...
glrnet Posted January 14, 2015 Share Posted January 14, 2015 There have been problems with 370 gearboxes, I know of 2 on here replaced under warranty. Quote Link to comment Share on other sites More sharing options...
nissanman312 Posted January 14, 2015 Share Posted January 14, 2015 I struggled with mine at times I seem to have go used to it now tho Quote Link to comment Share on other sites More sharing options...
daveallen1999 Posted January 14, 2015 Share Posted January 14, 2015 I have also had exactly the same problem with mine as well when making a block gear change from 4th to 6th. Go from 4th to 5th, or 5th to 6th no problem. Quote Link to comment Share on other sites More sharing options...
Darren-B Posted January 14, 2015 Share Posted January 14, 2015 Sounds pretty fair for the work being carried out but `i would have eliminated the cheaper options first, slave cylinder, clutch, release bearing & the little alignment bracket below the gear knob. All of which would have cost a max of £400 before re-building a gearbox where you should be asking yourself if the above parts are worth changing whilst the box is out 1 Quote Link to comment Share on other sites More sharing options...
HAMLNJ Posted January 15, 2015 Share Posted January 15, 2015 I have the original gear box and clutch with 117k on the clock. It's mental how the previous owner or Nissan have messed this up!??? 1 Quote Link to comment Share on other sites More sharing options...
HAMLNJ Posted January 15, 2015 Share Posted January 15, 2015 Though I must say second gear in the mornings Is a bas***d 1 Quote Link to comment Share on other sites More sharing options...
glrnet Posted January 15, 2015 Share Posted January 15, 2015 I have the original gear box and clutch with 117k on the clock. It's mental how the previous owner or Nissan have messed this up!??? You know this is a 370 box problem? 1 Quote Link to comment Share on other sites More sharing options...
Jalada Posted February 17, 2015 Author Share Posted February 17, 2015 It's been a long time away (over a month) but today I finally got my car back, and so far it is crunch free. I opted to have all the syncros replaced, as per my previous post. Unfortunately the work was held up because (and this might be useful to some) Nissan have changed 5th and 6th gear since my car came out of the factory and the syncros did not fit the gearbox. 5th and 6th gear also had to be replaced. They kept quiet about it when the parts were ordered and it was (apparently) not indicated on the information about the syncros. If this is true (and I have no reason to believe it isn't), it feels like Nissan are partly responsible for all this, because it sounds like they know there is a problem. Does anyone have any advice, or think it's worth contacting Nissan to argue about? That said, it is OK now, and Japex looked after me and my car and the most important thing to me is having it back. I guess in hindsight if I'd just had 3 out of 6 syncros replaced I perhaps would've only needed one gear replaced? But perhaps not, I'm not an expert. Oh well, it's only money. Quote Link to comment Share on other sites More sharing options...
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