Wildfowler12 Posted July 26, 2011 Report Share Posted July 26, 2011 My gearbox has been making grinding noises when putting it into reverse or when trying to shift down after being in 6th gear for long periods. I have a 2001 X-Trail with 108,000 on the clock. The clutch and flywheel where replaced at 95,000 miles. I've tried double de-clutching but it's not helping. Any ideas what could be the issue? Hopefully not as big a job as a new gearbox?? Quote Link to comment Share on other sites More sharing options...
DSPUK Posted July 26, 2011 Report Share Posted July 26, 2011 Double de-clutching !!!!!!!!!!!!!!!! haven't done that for 50 yrs -- no idea what's wrong with you box - sorry. It sounds expensive. Dave Quote Link to comment Share on other sites More sharing options...
brash1 Posted July 26, 2011 Report Share Posted July 26, 2011 My gearbox has been making grinding noises when putting it into reverse or when trying to shift down after being in 6th gear for long periods. I have a 2001 X-Trail with 108,000 on the clock. The clutch and flywheel where replaced at 95,000 miles. I've tried double de-clutching but it's not helping. Any ideas what could be the issue? Hopefully not as big a job as a new gearbox?? Hi sounds like the synchros may have given up the ghost, they can be replaced but box needs to come out and stripped down or alternatevly a second hand or exchange box would be the easier option cheers Justin Quote Link to comment Share on other sites More sharing options...
scutt Posted July 26, 2011 Report Share Posted July 26, 2011 engine revs could be high .or when you try to get a gear with the vehicle at a standstill and handbrake off does it try to move if so could be the cluch pressure plate was it a recon clutch or new one you put in ? Quote Link to comment Share on other sites More sharing options...
Wildfowler12 Posted July 26, 2011 Author Report Share Posted July 26, 2011 Apparently a new one. I say apparently because it was done the week before I bought the car so I can't be too sure. The dealer had a reciept though. Quote Link to comment Share on other sites More sharing options...
88b Posted July 26, 2011 Report Share Posted July 26, 2011 Are all the other gears OK ? How easy is it to engage first from neutral ? If that's a problem it could be the clutch dragging, if a dealer paid for it, he's going to do it as cheap as possible as opposed to properly. There's even a slim chance it's just the clutch friction disc sticking on the splines causing drag. Quote Link to comment Share on other sites More sharing options...
imissalot Posted July 26, 2011 Report Share Posted July 26, 2011 Hi sounds like the synchros may have given up the ghost, they can be replaced but box needs to come out and stripped down or alternatevly a second hand or exchange box would be the easier option cheers Justin agree with synchros had 3 vehicles do the same Quote Link to comment Share on other sites More sharing options...
Gutty Boots Posted July 26, 2011 Report Share Posted July 26, 2011 Synchros used to be a common problem with Nissan cars - Almera, Primera etc. Not heard it so much about an X- Trail though. Although it sounds that it could be. Quote Link to comment Share on other sites More sharing options...
jacksdad Posted July 26, 2011 Report Share Posted July 26, 2011 My Renault Master is the same, just started crunching a bit when selecting first or reverse, then the crunch decided to invade second gear as well :blink: That was 3 years ago and its only got very slightly worse in that time! A common fault on well used vans, but the gearbox is pretty strong so will probably stay until I bin the van, its almost standing me a zero now. If you cannot get a warranty repair I'd just live with it for now Quote Link to comment Share on other sites More sharing options...
Wildfowler12 Posted July 26, 2011 Author Report Share Posted July 26, 2011 Neutral to first isn't too bad but it's by no means perfect. It's reverse that's the big problem. No matter how gentle I am trying to nurse it in, sure enough there's a nasty grind. Quote Link to comment Share on other sites More sharing options...
Wildfowler12 Posted July 26, 2011 Author Report Share Posted July 26, 2011 I only plan on keeping the car another year maybe so hopefully it'll see me through. I'll try an gearbox clean and oil change. Quote Link to comment Share on other sites More sharing options...
88b Posted July 26, 2011 Report Share Posted July 26, 2011 Neutral to first isn't too bad but it's by no means perfect. It's reverse that's the big problem. No matter how gentle I am trying to nurse it in, sure enough there's a nasty grind. A lot of vehicles don't have synchromesh on reverse, so if there is any clutch drag it will graunch going into reverse. Nissans have always had small bearings in their gearboxes, and things have got worse since their links with Renault. Quote Link to comment Share on other sites More sharing options...
Justintime Posted July 26, 2011 Report Share Posted July 26, 2011 (edited) Drain and replace gear box oil first mate often over looked or chque the level and add a splash hp90 gear oil it dose brake down like engin oil and looses viscosity (inability to hold durt) Edited July 26, 2011 by Justintime Quote Link to comment Share on other sites More sharing options...
shaun4860 Posted July 27, 2011 Report Share Posted July 27, 2011 before you put it in reverse try putting it in a forward gear first, dont lift the clutch pedal though. shaun Quote Link to comment Share on other sites More sharing options...
Wildfowler12 Posted August 23, 2011 Author Report Share Posted August 23, 2011 Took the car to the garage last week... They said the Clutch Master Cylinder needs replacing at a cost of approx £160 all in. Does this sound like it could be the cause?? Quote Link to comment Share on other sites More sharing options...
DSPUK Posted August 23, 2011 Report Share Posted August 23, 2011 Try pumping clutch pedal a couple of times holding pedal down on last pump before putting it in gear - if cylinder is leaking it will pump up fluid a bit. Dave Quote Link to comment Share on other sites More sharing options...
Wildfowler12 Posted August 23, 2011 Author Report Share Posted August 23, 2011 Pardon the stupidness, so if the cylinder is leaking it needs replacing? And that could well be the cause of the grinding?? Quote Link to comment Share on other sites More sharing options...
DSPUK Posted August 23, 2011 Report Share Posted August 23, 2011 When you press cluch pedal the hydrolic pressure push's the operating arm so the clutch is disengaged - The fluid can leak in two ways - first is a direct leak to the outside and you will see fluid around cylinder or it could be an internal leak - when you press pedal the piston and seal push's fluid but if the seal leaks fluid will come back into main body with result the operating arm will not move the correct amount to disengage the clutch - hence grinding -- by pumping pedal quickly it builds up pressure and arm should move full travel - if you put it in gear without grinding there is your problem. seal leak! new master cylinder. Dave Quote Link to comment Share on other sites More sharing options...
gixer1 Posted August 23, 2011 Report Share Posted August 23, 2011 (edited) Clutch needs bled or a new master cylinder..... Nothing wrong with the box i'd say but it will cause damage if you keep running it with the clutch failing to disengage.... Regards, Gixer EDIT - Just noticed they diagnosed a master cyclinder.. sorry for repeating! Edited August 23, 2011 by gixer1 Quote Link to comment Share on other sites More sharing options...
keg Posted August 23, 2011 Report Share Posted August 23, 2011 If it was a LR Defender it's normal. DSP you beat me to it. Other issue if if you have had the clutch replaced, it might need adjustment in the box as the old clutch slowly wearing out may have allowed things to move. Quote Link to comment Share on other sites More sharing options...
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