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byakk0
February 15, 2017, 7:52am Report to Moderator


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All the snow melted and the roads are finally dry, so I was able to get my car out for a little shakedown, mostly assessing the electrical system.

Anyway, I can't get it to shift into 3rd, it just grinds (didn't try 4th)
It's a 3 rail, no od.

I do have easy access to the top, but haven't pulled the selector off yet. In fact, it's been 2 decades since I last did that.

Any ideas or suggestions I can take with me next time I work on it?


~Hazen
67 Mk1 GT6 (rebuild here--> http://www.club.triumph.org.uk/cgi-bin/forum10/Blah.pl?m-1397446003/ <--)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Contact me if you need a hinge cover for your GT6
3rd brakelight option now available.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Forget John Galt. Who is Resche Plimpton?
Find out at http://www.triumphdetective.com
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chunky63
February 15, 2017, 8:34am Report to Moderator

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Sorry to hear your having problems. Here's a link I found that might help...

http://www.triumphexp.com/phorum/read.php?8,843018

My initial thoughts are Low oil level, selector bushings, hydraulics need bleeding.

Cheers
Jon


GT6 MK 2 under restoration with a return to Damson
Volkswagen T1 1973 almost concours condition and totally original in Alaska Blue Metallic
TR6 - 1984-1985
GT6 Mk3 - Rusty coupe converted to convertible - 1981-1983
Herald 13/60 Convertible - 1980-1981
Herald 12/50 Saloon - 1979-1980
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JohnD
February 15, 2017, 8:44am Report to Moderator


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If it goes into 1st & 2nd easily, then no need to wonder about the clutch, oil level, or worn bushings (?)
Broken selector fork for 3rd/4th.

John


Serial Vitesse racer.

Old Blue.  1995-2001
Silverback. 2001-2007
SofS. 2007 - to date.

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RedRooster
February 15, 2017, 8:58am Report to Moderator


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drain the oil & see what bits fall out.
RR


GT6 Mk3, the Rooster    https://www.youtube.com/watch?v=u8W1XSjFB6g  tune on the radio the first time it broke down, 5 miles after i bought it
http://www.triumph-club-de-fra.....estauration-dune-gt6  
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chunky63
February 15, 2017, 11:31am Report to Moderator

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Quoted from RedRooster
drain the oil & see what bits fall out.
RR


Might need to turn it upside down and give it a shake  


GT6 MK 2 under restoration with a return to Damson
Volkswagen T1 1973 almost concours condition and totally original in Alaska Blue Metallic
TR6 - 1984-1985
GT6 Mk3 - Rusty coupe converted to convertible - 1981-1983
Herald 13/60 Convertible - 1980-1981
Herald 12/50 Saloon - 1979-1980
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RedRooster
February 15, 2017, 12:06pm Report to Moderator


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Or maybe not



This post contains attachments; to download them you must login.



GT6 Mk3, the Rooster    https://www.youtube.com/watch?v=u8W1XSjFB6g  tune on the radio the first time it broke down, 5 miles after i bought it
http://www.triumph-club-de-fra.....estauration-dune-gt6  
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byakk0
February 15, 2017, 7:16pm Report to Moderator


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Hmmm. Interesting. I just went out and played with it. 1st and 2nd work just fine, rocking the car in gear, engine off, it resists rolling as you would expect. 3rd and 4th are iffy, if at all.

Guess I'll pop the top off and have a look later when I can devote more time to it. Won't be till probably Monday


~Hazen
67 Mk1 GT6 (rebuild here--> http://www.club.triumph.org.uk/cgi-bin/forum10/Blah.pl?m-1397446003/ <--)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Contact me if you need a hinge cover for your GT6
3rd brakelight option now available.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Forget John Galt. Who is Resche Plimpton?
Find out at http://www.triumphdetective.com
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GT6 M
February 15, 2017, 10:16pm Report to Moderator

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Nut an bolt ont bottom oft gear lever,
fitted wrang way roond,

its thicker ya side than t,other,
so it wont let 3/4 get in, cos lever cant move owa

M


One does not have to know how a thing works, to know that it is not working right

Ye div,nt efta no ooa thing wuks, t,no its nut wuk,n reet.







Scaryport,��Cumbria,.
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byakk0
February 16, 2017, 1:44am Report to Moderator


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Hmmm... Interesting, as the only thing so far I have done to my transmission since I last drove it was replace the shifter bushings, both on the linkage pin below and and the bits on the top. Thus indicating a mechanical change and the last work done so go look there.
Otherwise all I have done is pull it from the car (attached to the engine) and reinstall it (Still attached).

Here it is in neutral and in reverse. I'll get a shot of it "in" 3rd and 4th.



~Hazen
67 Mk1 GT6 (rebuild here--> http://www.club.triumph.org.uk/cgi-bin/forum10/Blah.pl?m-1397446003/ <--)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Contact me if you need a hinge cover for your GT6
3rd brakelight option now available.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Forget John Galt. Who is Resche Plimpton?
Find out at http://www.triumphdetective.com
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JohnD
February 16, 2017, 9:54am Report to Moderator


Posts: 6,416
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Ah-Ha!    " the only thing so far I have done to my transmission since I last drove it was replace the shifter bushings,"

You didn't say that in your OP!
It's ALWAYS the last thing you did to the car.

In the picture, the end of the operating shaft looks as if one side of the slot is distorted - the two inner faces are not parallel.
This is either the cause, or a symptom of a fault further inside.
Perhaps your old bush in that link had come to accommodate this distortion, but the new doesn't.

Or else, some fault inside the 'box has led to this distortion, by straining on the slot.
I sill say, 3/4th selector fork.

JOhn


Serial Vitesse racer.

Old Blue.  1995-2001
Silverback. 2001-2007
SofS. 2007 - to date.

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byakk0
February 16, 2017, 7:18pm Report to Moderator


Posts: 1,115
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Haven't cracked the case open yet, and I have some pics of the gear selector from underneath in 3rd and 4th to post later, tho nothing looks to be in the way of proper shifting. Further findings are with it  in 3rd and 4th, engine off, I can move the car and the fan turns, so I know the gearing is at least engaging and functioning.

No time for a drive to see if maybe I just broke something free that has been stuck all these years. I'll assess it further when time permits.


~Hazen
67 Mk1 GT6 (rebuild here--> http://www.club.triumph.org.uk/cgi-bin/forum10/Blah.pl?m-1397446003/ <--)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Contact me if you need a hinge cover for your GT6
3rd brakelight option now available.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Forget John Galt. Who is Resche Plimpton?
Find out at http://www.triumphdetective.com
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byakk0
February 17, 2017, 4:03am Report to Moderator


Posts: 1,115
Posts Per Day: 0.78
Pics:
Note, the reverse lockout pin has not been changed and is in a known working position.

The linkage pin does not come in contact with anything. The linkage is a little bit flared, if you can see it, but it has been like from before I was originally driving. Only the bushing and pin bits here are new, as is the shifter ball.

3rd gear from two angles.



4th gear.


new bits



~Hazen
67 Mk1 GT6 (rebuild here--> http://www.club.triumph.org.uk/cgi-bin/forum10/Blah.pl?m-1397446003/ <--)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Contact me if you need a hinge cover for your GT6
3rd brakelight option now available.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Forget John Galt. Who is Resche Plimpton?
Find out at http://www.triumphdetective.com
Logged
Site Private Message Reply: 11 - 40
GT64fun
February 17, 2017, 9:31am Report to Moderator
Club Member
Posts: 99
Posts Per Day: 0.04
Gents

My recent experience with gear stick bushing kits is not good, mainly relating to the quality of the ball.

A new kit was fitted at rebuild in 2011. The ball failed last year on the way home from the RBRR meeting at Gaydon. We managed to limp home with a very floppy gear change.

The ball was a hard grey injection moulded plastic and had just disintegrated into small pieces. I obtained a new kit and noted that it had exactly the same ball. I then found that I already had a kit of a different make with a slightly more resilient black ball. So weighing up the options, grey ball/black ball, decided to go for the black. That lasted almost 150 miles and disintegrated on the trip up to Knebworth on the Thursday before the RBRR. Luckily I had taken the kit with the grey ball, so we were able to fit that (but to be honest we could have done without it on  the eve of the RBRR).

The grey ball made it round Britain as part of Team 92, but I do have serious concerns about future failures and intend to get some machined out of Delrin, which is a high performance resilient plastic that we typically use for rudder bearings etc.

Please advise if anyone is interested.

Hope this helps

Ian F    
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byakk0
February 17, 2017, 10:14am Report to Moderator


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It really is a shame these bits are sourced to the lowest bidder with the cheapest process and materials, especially when some items are manufactured by one source and sold by many suppliers. But, I guess we get what we pay for, and the lowest bidder typically wins.

I think I sourced this kit from Canley's, if that means anything to quality in one direction or another. I've got maybe 10 miles on it now (1st and 2nd gears only!)
I did have to file the inner rim of the new cupped washer as that edge was hard and sharp, as well lube it and the whitish cupped plastic washer. I used white lithium grease for garage door openers. Think I should do the same to the ball?


~Hazen
67 Mk1 GT6 (rebuild here--> http://www.club.triumph.org.uk/cgi-bin/forum10/Blah.pl?m-1397446003/ <--)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Contact me if you need a hinge cover for your GT6
3rd brakelight option now available.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Forget John Galt. Who is Resche Plimpton?
Find out at http://www.triumphdetective.com
Logged
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Nick Jones
February 17, 2017, 10:55am Report to Moderator

Club Member
Posts: 9,356
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I have a kit here which probably came from Paddocks (no finger pointing, I suspect they all ultimately come from the same place) of which I was able to use precisely 0 (none, nil) parts as they were all either slightly the wrong size or looked like they'd come from a cheap christmas cracker.  In the end the remote was rebuilt using the best bits we could find from various remains, some dating back to the late 80s.

I need to dig this "kit" out and return as NFFP.

FWIW, while the remote linkage could cause troubles with finding gears I can't see why it would/could cause crunching.  That has to be internal.  If it wasn't doing it before, it seems odd that it is now.  Did you change the oil - that can make a surprising difference.  Is there any oil in there at all?

Nick


Nick Jones
Somerset UK

Vitesse Mk 1.5 Convertible EFI, Survivor of RBRR 2008, HCR & 10CR 2009, HCR 2010, 10CR2011, HCR 2012, 10CR2013, 10CR2015 & HCR 2016.
GT6 Mk3 Roto - project in waiting
Spitfire MKIV resto nearly complete (consultant only - son's project)
2.5 PI Saloon now EFI (PIe?), Engine rebuilt and running sweet.  Diff howling...... Survivor of HCR 2013 & 2014 Gone to live in Swansea

http://www.tengaston.plus.com
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