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Post by bertieg on Aug 8, 2019 6:15:41 GMT
Hi guys, I know this topic has been discussed many times but I'm having a bit of problem with the gear change on my 2006 68k miles NC. It feels notchy/hard to put it in gear (1,2,3) sometimes and even when it's warmed up. I've seen some videos where people change gears like a knife going through butter.
I changed the gear oil to redline mt90 and it didn't make any difference. I filled the turret with gear oil (not sure how much) but the oil kept disappearing from the turret. I must have put 150ml in there and it wasn't staying.
I adjusted the clutch pedal and I think it made a bit of difference, possibly placebo.
Now if I change the oil again to Castrol Syntrans would that make any difference or am I just wasting my money?
Thanks in advance
Bertie
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Post by Whistler on Aug 8, 2019 6:54:05 GMT
Have you adjusted the clutch? I drove one not so long ago with a similar issue & it turned out to be caused by the clutch not fully disengaging. Link here.
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Post by Horney on Aug 8, 2019 9:16:38 GMT
I did my turret oil and it made a massive difference.
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Post by bertieg on Aug 9, 2019 7:58:47 GMT
I did my turret oil and it made a massive difference. I keep putting oil in the turret but it goes away on the bottom where the linkages are. Is that normal?
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Post by bertieg on Aug 9, 2019 7:59:51 GMT
Have you adjusted the clutch? I drove one not so long ago with a similar issue & it turned out to be caused by the clutch not fully disengaging. Link here. Yes I have done and I think it's better I can't tell if it's placebo or not
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Post by davemk3 on Aug 9, 2019 21:25:54 GMT
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Post by Horney on Aug 12, 2019 14:35:48 GMT
All NC gearboxes require turret oil, only the 6 speed NB box turret is linked to the main box oil.
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Post by bertieg on Aug 13, 2019 21:27:38 GMT
All NC gearboxes require turret oil, only the 6 speed NB box turret is linked to the main box oil. so update. I changed the redline mt90 to Castrol Syntrans and it is much smoother. 3rd gear still every now and again likes to feel notchy scratchy poopy but it's much better.
Now how much oil do I put in the turret? It keeps disappearing. Can I put bearing grease on it or something?
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Post by bertieg on Aug 18, 2019 17:11:03 GMT
now...it shifts a lot better when it's cold rather than when it warms up. How strange
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Post by bertieg on Sept 7, 2019 11:08:33 GMT
So I don't understand my car at all.
Some days it shifts really nicely, some days I want to push it off a cliff.
I've put it on jack stands in the garage and played with the clutch pedal adjustment. I was shifting gears while running, going under adjusting some more untill it felt a lot better. Drove it around town. Spot on.
Next day it was hell. I warmed it up drove it for like an hour and still shifted like the worst thing I ever driven. Later that day, turned it back on, drove to the shops and shifted a dream. What the actual f**k.
I checked, master cylinder, slave cylinder and no leaks. Do I have a dodgy gearbox? I've done everything I could find, oil, turret, shift collar. Help!!!
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Post by bertieg on Sept 21, 2019 8:42:47 GMT
so if anyone is ready this. I made the gearbox 90% better on a more permanent basis doing all these things which are not new:
- changed the oil using 2.1-2.2 litre of Castrol Syntrans (i tried MTB 90 first) - changed the gear stick collar to the copper brass option for more precise shifting - refilled the turret with more gear oil until it doesn't dissipate (it will stop eventually) - re-adjust the clutch pedal if it doesn't depress fully. I've put it on jack stands, turned the car on and simulated a drive. Got under the dash and adjusted some more until I felt it was going in gear the easiest way. - I have checked the master and slave cylinder for leaks and tested the brake/clutch fluid to check for any moisture.
If you do these steps you will probably see a very small improvement individually but added up it makes a big difference. Good luck.
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