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Rattling gear stick


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After a break of a few years I'm back in the fold having been signed up again on the Register's stand (it was very impressive) at the NEC Resto Show and it's got me all fired up to tackle a very long list of long overdue niggles to sort and improvements to make on my 6. I've also treated myself to a lift for the garage as a 50th pressie so need to start making use or I might find someone has put it on eBay! So I'm all set... 

First up, there is a really annoying resonance or rattle coming through the gear stick usually on load. It developed after a triumph specialist changed the O rings in the select mech and also proudly told me they'd readjusted the locator/travel studs on the gearstick ball assembly. The 'box was also noticeably stiffer to change from 1st to 2nd after this. Life was hectic at the time so didn't go back and lived with it. 

Questions ;

1) is the rattle likely and stiffness into second down to the adjustment of those locator studs? That's the only selector adjustment correct? 

2) the manual shows an anti-rattle plunger on the end of the stick. Is that worth checking and is it as easy as it looks to pull out the gearstick? I've got the gearbox tunnel off and am ready to go. 

Looking forward to the support of the forum as I go down through the list! 

Ta, Nick   

 

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Yes it is worth checking the anti rattle spring and plunger. when my gear box and engine were rebuilt, the anti rattle spring had broken up into 3 bits! It is best to test drive the car after  one  has adjusted those locator set screws even with the tunnel off and take a spanner with you.

Bruce.

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Thanks Bruce. Good tip to take some spanners on the test run and adjust as required - stopping first of course ;)

Does the gearstick readily remove by slackening the adjusters and the retaining bolt in order to check the anti rattle spring? 

Nick 

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The Anti-rattle plunger definitely wants to be there - it may not have been replaced properly during previous work.

For an alternative solution you may find helpful try taking a look at this old thread

……. Andy

 

Edited by AndyR100
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Hi Nick,

tacking the gear stick off is easy - just a couple of screws

items #40,42, 44  HERE.

Fitting the plunger can be fun but a plastic cable tie can hold it in place while sliding back into place

The stiffness in the selection is probably due to the  items #75, 83, 96it screwed down too tight. These are located on the underside of the top cover.

Roger

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Andy - Iike that. Very ingenious indeed. I'll bank that as an idea and see how I go. 

@RogerH I wondered if the plunger would fly out as I pull out the stick or it would be a pain to get back in. I'll try the cable tie idea. 

The retaining plug for the detents spring & ball screwed in too tight make sense as well. Lifting off the cover and then tweaking those - is that as easy as it looks? Just undo the retaining bolts, lift the cover and selector free, back off the detent spring and put back together? 

Nick 

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  • 3 weeks later...

I've got the gear stick out. The anti rattle plunger didn't seem to be doing much and has a very visible flat worn on the end of it. I'll replace it and see if that makes a difference. I'm also going to try Andy's (above on this thread) trick of putting a piece of clear PVC tubing at the base of the stick to act as an insulator around the hole of the cap disk. 

Looking at the gear stick, there are remnants of a rubber ring at the shoulder with the gear stick ball. See attached images. I've also seen this on other images of TR6 gear sticks. 

What was it? Was it an O ring or collar to act as a insulator? In some diagrams you can see a separate component but it's not listed. 

Nick 

IMG_4911.jpg

IMG_4912.jpg

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I think I've just answered by own question by looking in the Brown Book. The gearstick and the ball at the end are two components with the end of the stick splined into a collar surrounded by rubber. What I can see it the top of that rubber surround. The rubber is there to presumably reduce gear resonance through the stick.  

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17 hours ago, nickw71 said:

I think I've just answered by own question by looking in the Brown Book. The gearstick and the ball at the end are two components with the end of the stick splined into a collar surrounded by rubber. What I can see it the top of that rubber surround. The rubber is there to presumably reduce gear resonance through the stick.  

Correct.

Stuart.

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