Notchy in 2nd/4th

Notchy in 2nd/4th

Author
Discussion

marcus1875

1,512 posts

141 months

Tuesday 26th August 2014
quotequote all
Dont i have nice pins! It was a pleasure to help out Richard.

JumboBeef

Original Poster:

3,772 posts

176 months

Wednesday 27th August 2014
quotequote all
adam quantrill said:
Well - it was worth a try... and it will be generally smoother from now on. Have you also checked the remote linkage thingy? (Pull up on the gearstick - does it move up and down?)
It does have movement up and down (inch or so). What does this mean?

ElvisWedgely said:
Check that the reservoir is full and perhaps bleed the clutch hydraulics just to eliminate. From what you describe though, it sounds to me like the synchromesh is worn in second and fourth. Seems quite popular on these gearboxes when they age.

Tony. TCB.
So, worse case, what am I looking at here? Box out, recon box? How much is all that going to cost frown (DIY is out, way beyond my minimal skills...)

marcus1875 said:
Dont i have nice pins! It was a pleasure to help out Richard.
Thanks again Marcus clap

To reiterate:

The box was fine, then on one trip (over a distance of maybe 15 miles and 20 minutes), 2nd and 4th had a "notch" going in to them. You can feel something meshing together as you change (down: up isn't a problem). No crunch, just a feeling of cogs coming together. Also, there is a feeling of the stick goes "beyond" where is should stop: go into 2nd (which is to the left and down) and you can pull the stick further down than where 2nd is. Does that make sense....?

jindle

246 posts

124 months

Wednesday 27th August 2014
quotequote all
definitely sounds like the bushes on the remote link housing. the notch, as you've described it, is the remote housing bouncing off the prop. there's a few threads on here with more details, just one thing to watch out for is that you'll probably need 6 bushes and not 4. i realised this when doing mine, which is now using 4 bushes and a few washers

JumboBeef

Original Poster:

3,772 posts

176 months

Wednesday 27th August 2014
quotequote all
jindle said:
definitely sounds like the bushes on the remote link housing. the notch, as you've described it, is the remote housing bouncing off the prop. there's a few threads on here with more details, just one thing to watch out for is that you'll probably need 6 bushes and not 4. i realised this when doing mine, which is now using 4 bushes and a few washers
Thanks!

http://www.pistonheads.com/gassing/topic.asp?h=5&a...

http://www.pistonheads.com/gassing/topic.asp?t=854...

Are these what we are talking about?

jindle

246 posts

124 months

Wednesday 27th August 2014
quotequote all
Yes those are the ones. The problem gets very bad very quickly. In one 40mile round trip (mostly motorway) it went from a slight notch to a constant rattling. I had to hold the gear stick slightly up in all gears just to stop it from making so much noise!

adam quantrill

11,535 posts

241 months

Wednesday 27th August 2014
quotequote all
A couple of tie wraps from the remote to the upper chassis rail is a very quick and dirty fix that will

a) get you going quickly
b) confirm that this is the only problem

while you wait for the bushes to arrive.

JumboBeef

Original Poster:

3,772 posts

176 months

Wednesday 27th August 2014
quotequote all
Are these the ones?

http://www.ebay.co.uk/itm/TRIUMPH-TR7-TR8-LT77-GEA...

I'll ask my local garage if they can do it. I assume it's not a difficult job if you have a lift?

JumboBeef

Original Poster:

3,772 posts

176 months

Wednesday 27th August 2014
quotequote all
adam quantrill said:
A couple of tie wraps from the remote to the upper chassis rail is a very quick and dirty fix that will

a) get you going quickly
b) confirm that this is the only problem

while you wait for the bushes to arrive.
Thanks.

Do I get underneath to do that, or can I lift the gater?

jindle

246 posts

124 months

Wednesday 27th August 2014
quotequote all
those are the ones but i bought the poly ones. also slight mistake in what i said above, you need 10 in total instead of the usual 8 (or 8 + some extra washers).

JumboBeef

Original Poster:

3,772 posts

176 months

Wednesday 27th August 2014
quotequote all
Do you have a link to the poly ones please? I can't find them.

I also found this:

http://www.v8register.net/FilesRV8WN/RV8NOTE381-13...

jindle

246 posts

124 months

JumboBeef

Original Poster:

3,772 posts

176 months

Wednesday 27th August 2014
quotequote all
So, I had a look underneath:





The lower bushes are knackered/missing, and the whole thing moves up and down and fouls on the prop. I now understand what everyone has been saying to me. Yah! Simple fix! (hopefully!)

The upper bushes look OK. Question: I know in an ideal world I would replace all of them, but could I get away with just replacing the lower ones? I can reach the lower one (can't shift the nuts yet, but have soaked them in WD40) but I cannot reach the higher ones.

JumboBeef

Original Poster:

3,772 posts

176 months

Wednesday 27th August 2014
quotequote all

adam quantrill

11,535 posts

241 months

Wednesday 27th August 2014
quotequote all
If you are still under there install the tie wraps or even a bit of string!

JumboBeef

Original Poster:

3,772 posts

176 months

Wednesday 27th August 2014
quotequote all
adam quantrill said:
If you are still under there install the tie wraps or even a bit of string!
I tried, I just couldn't reach. I'm not going to use it until I get the bushes replaced.

JumboBeef

Original Poster:

3,772 posts

176 months

Thursday 28th August 2014
quotequote all
Poly bushes ordered for the bottom bracket, I'll get it done on Monday. I'll see how the top ones go.

superwedge

1,286 posts

147 months

Thursday 28th August 2014
quotequote all
you do the top ones from inside the car, take the cover off inside,

JumboBeef

Original Poster:

3,772 posts

176 months

Tuesday 2nd September 2014
quotequote all
Yay! The bushes replaced, and it is fixed! The gearbox is smoother as well.

Thank to everyone for helping out with this one. A massive thank you to Marcus who helped with the oil change.

What went from worrying about getting a gearbox replaced/rebuilt was finally sorted by replacing two bushes for £12, so I'm happy smile

marcus1875

1,512 posts

141 months

Tuesday 2nd September 2014
quotequote all
Good news Richard!

adam quantrill

11,535 posts

241 months

Tuesday 2nd September 2014
quotequote all
... and £40 of Mobil 1, but still....