Gearbox issue - Won't shift out of even numbered gears

Gearbox issue - Won't shift out of even numbered gears

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Driven

Original Poster:

56 posts

116 months

Tuesday 21st April 2015
quotequote all
US-based M400, was driving around like a normal person, shifted from 1st to 2nd. Caught a red light. pushed the clutch in, would not let me shift out of 2nd.

Limp her home, could physically move the shift mechanism on the gearbox out of gear and into neutral, but shifter won't let me shift into anything but even-numbered gears. When in gear, can't pull it out of gear with the shifter.

Anyone experience this? Is this a shift linkage adjustment or a gearbox out fix?

StreetDragster

1,534 posts

225 months

Tuesday 21st April 2015
quotequote all
With the shifter cableS disconnected can you easily select all gears by hand on the gearbox? If so the problem is with the linkage.

Check to see if your cables have degraded or snagged or kinked on anything

Driven

Original Poster:

56 posts

116 months

Tuesday 21st April 2015
quotequote all
StreetDragster said:
With the shifter cableS disconnected can you easily select all gears by hand on the gearbox? If so the problem is with the linkage.

Check to see if your cables have degraded or snagged or kinked on anything
I didn't try with the linkage disconnected, but, I was able to push the levers around with some effort on the gearbox.

Guess I have to order a linkage. Thanks for the help!

TuxMan

9,011 posts

245 months

Tuesday 21st April 2015
quotequote all
That's a bit odd as the same cable operates from a odd number gear to a even one !!!
Pop of the cables from the top of the box as suggested and see if it's shifts , I wonder if something in the tunnel is hitting the shifter .
Does it change gear with the engine off ??

funkybmx1

958 posts

201 months

Tuesday 21st April 2015
quotequote all
Top cable adjustment. Or knackered cable. Sure Steve's had this problem

funkybmx1

958 posts

201 months

Tuesday 21st April 2015
quotequote all
Tops left to right. Prob the bottom

andygtt

8,345 posts

271 months

Tuesday 21st April 2015
quotequote all
agree with funky, I recon the lower cable has gone out of adjustment either at the gearbox end or in the tunnel

simonx50

818 posts

167 months

Tuesday 21st April 2015
quotequote all

had a similar problem on mine turned out to be the rubber sleeve had come apart causing the cable to kink so put some j clips on to stop it popping off again

Driven

Original Poster:

56 posts

116 months

Tuesday 21st April 2015
quotequote all
I hope it's something simple... but, yeah, the even-numbered gears are pulling on the lever on the top of the gearbox, while the odd-numbered push.
It seems that the cable doesn't push very well, but can pull fine.

If in gear, 2, 4, or 6th:
- Can't pull out of gear, cannot get into neutral.
- Can only get out of gear by using lever on gearbox.

If in gear, 1st, 3rd, or 5th:
- Can't put into gear with shifter, can only get into these gears with lever on top of gearbox.
- Can put into neutral and select 2nd, 4th, or 6th in the same movement; Once there, cannot move shifter into neutral.


GTO600

1,877 posts

258 months

Tuesday 21st April 2015
quotequote all
Clutch ?

funkybmx1

958 posts

201 months

Tuesday 21st April 2015
quotequote all
I'd go over that bottom cable. We had to change one on Steve's cause of the same symptoms. Sounds similar. Just can't think what was wrong with the cable now tho. Guessing you can't get reverse also

TuxMan

9,011 posts

245 months

Wednesday 22nd April 2015
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Will it go into gear without the engine running ??????

Chapppers

4,483 posts

198 months

Wednesday 22nd April 2015
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When I recently had some gear change issues, the end result was that the clutch had pretty much exploded. My symptoms were that it was incredibly difficult to get the car into and out of 2nd/3rd/4th whilst moving. This doesn't sound quite the same but thought I'd let you know.

All good now, once again upgraded and strengthened and ready for more punishment.

Driven

Original Poster:

56 posts

116 months

Wednesday 22nd April 2015
quotequote all
TuxMan said:
Will it go into gear without the engine running ??????
Regardless of engine running/not running, the shifter functions the same.

I doubt it's the clutch, as I can disengage the clutch and the car will be in gear, at a stop and not stall. I just haven't gotten to the bottom of the shifter yet to see what's going on there. I have to cut an under tray =/

TuxMan

9,011 posts

245 months

Wednesday 22nd April 2015
quotequote all
You should be able to see the cables from the top going into the shifter mech on the top of the gearbox .

Driven

Original Poster:

56 posts

116 months

Thursday 23rd April 2015
quotequote all
simonx50 said:

had a similar problem on mine turned out to be the rubber sleeve had come apart causing the cable to kink so put some j clips on to stop it popping off again
You were right on the money...

After cutting open the tunnel under the shifter, found my problem.



Now I need to find myself a shift linkage and do what you did. The linkage is pretty knackered.

simonx50

818 posts

167 months

Thursday 23rd April 2015
quotequote all
Driven said:
You were right on the money...

After cutting open the tunnel under the shifter, found my problem.



Now I need to find myself a shift linkage and do what you did. The linkage is pretty knackered.
They are a pretty crap design to be fair and I've just fitted the linkage upgrade! looks like you'll need to run a new cable as it looks damaged frown

Driven

Original Poster:

56 posts

116 months

Thursday 23rd April 2015
quotequote all
simonx50 said:
They are a pretty crap design to be fair and I've just fitted the linkage upgrade! looks like you'll need to run a new cable as it looks damaged frown
Yep.
Anyone know where you get cables from? Another Noble owner mentioned sourcing them from a company that builds cables... but, figured there has to be a part number for it.

Green3R

400 posts

255 months

Friday 24th April 2015
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I've got a spare cable and all shifter bits I removed from mine during upgrade. Nor sure if its upper or lower as cables are dif lengths. Yours foc if it helps. Back in country 28th.
Scrub that, you have a 400. Shifter from UK mondeo. Try UK eBay. Cables from speedy cables, just tell them length and ends. I'm back in country 28rh so can prob find the info then.
Or, in US try rossion (q1)

Edited by Green3R on Friday 24th April 00:59