Mk1a Rear toe arms - Ludicrous!

Discussion and technical advice for 84-89 AW10 & AW11 MR2. 3A-LU, 4A-GE, 4A-GZE.

Moderators: IMOC Moderators, IMOC Committee Members

Post Reply
Icsunonove
Posts: 6149
Joined: Tue Jan 25, 2005 10:37 am
Location: Market Drayton Shropshire
Contact:

Mk1a Rear toe arms - Ludicrous!

Post by Icsunonove »

What kind of hair brained, wally, student designer at Toyota designed the Mk1a rear toe arms! :evil: :evil: :evil:

It's absolutely ludicrous and I expect they seize up in a matter of months! :evil:

Anyways, I digress, back to the story.....

Tim Cartledge very kindly sent me his knackered assemblies to fix to keep me occupied (or rather 'cos he's too lazy to fix them himself! :clown: :wink: )

I decided to fix them last night, shouldn't take long.... :roll:

Image

Oh dear, oh dear, oh dear, what a catalogue of disasters! :roll:

Goes a bit like this:

1) Start to cut the old tubes off and my newish die grinder explodes :shock:
2) Ok, not to worry, I'll get the receipt and take it back to B&Q and get a new one
3) Errrm, having spent an hour looking through my *filing system* I realise I have thrown the receipt out ](*,)
4) Decide to use my old grinder (which has noisy bearings)
5) Turn the garage upside to try and find the damn thing :roll: , finally find it.
6) Brilliant, finally getting somewhere, nearly done..... :D
7) BANG! Bearings fail completely, disc shatters and nearly takes my eye out ](*,)
8 ) Continue on labouriously with a hacksaw, finally get it to bits. :thumleft:
9) Get up at stupid o'clock this morning 'cos I remembered the landlords parents are coming round this morning and I need to tidy up the *garage* (aka a kitchen :mrgreen: )
10) PTFE tape the threads in the wrong direction, meaning it just unwinds itself when you screw the threads in (x2)
11) Assemble the first one but can't get it to go fully home. I'd overpacked the tube with grease !
12) Unassemble, remove some grease and try again, it still won't go fully home..
13) Unassemble again, measure up and then realise that it was fully home all along, some threads should protrude....

Oh dear, oh dear, oh dear..... :(


Removing the two ends:

Image

Modifying Toyota's design :roll:

Image

Finished at last! :D :D

Image
Charged
IMOC Committee
Posts: 8897
Joined: Fri Sep 02, 2005 8:09 pm
Location: Herts

Re: Mk1a Rear toe arms - Ludicrous!

Post by Charged »

:lol: Jesus Tom! I think Tim owes you a drink / new grinder / set of goggles!!
If you can't see the angle, you're in trouble.
cartledge_uk
Posts: 7608
Joined: Sun Nov 13, 2005 6:28 pm
Location: Newbury

Re: Mk1a Rear toe arms - Ludicrous!

Post by cartledge_uk »

OMG! they look far to good to be on my car now. :(

Does anyone have any broken ones they want to trade?

They really do look great Tom, cheers for doing that, when I was cutting through the fist one, It ate about 10 discs :shock: and it was a PITA! I would have got there eventually.

P.s. the cash went out last night :D

and I'll bring you some safety glasses Tom, I have access to more than a few :whistle:
Icsunonove
Posts: 6149
Joined: Tue Jan 25, 2005 10:37 am
Location: Market Drayton Shropshire
Contact:

Re: Mk1a Rear toe arms - Ludicrous!

Post by Icsunonove »

Charged wrote::lol: Jesus Tom! I think Tim owes you a drink / new grinder / set of goggles!!


:oops: Oops, I'm doing Tim a bit of a dis-service. You see I owe him a few quid for wear and tear on his car from the last trackday we did together. Tim only drove my car for one session and I drove two in his...

So this is in lieu of payment. And since I'm mega skint it suits us both
dex
Posts: 564
Joined: Tue Dec 14, 2004 8:12 pm

Re: Mk1a Rear toe arms - Ludicrous!

Post by dex »

Icsunonove wrote:What kind of hair brained, wally, student designer at Toyota designed the Mk1a rear toe arms!
I actually think they are quite a 'cute' bit of design let down by need to make sure they are kept free with regular check ups/lubrication.

PS your fiasco sounds just like the kind of thing that happens to me :D
inglismark

Re: Mk1a Rear toe arms - Ludicrous!

Post by inglismark »

hmm

toms just given me a bright idea

has anyone seen the kind of spherical bearing as used on sbits uber fancy droplinks, how about those along with a lovely lathed/drilled and tapped alloy rod with grub screws to hold the rod ends

mmmmmmmmmmmmmmmmmmmm alloy :D
Icsunonove
Posts: 6149
Joined: Tue Jan 25, 2005 10:37 am
Location: Market Drayton Shropshire
Contact:

Re: Mk1a Rear toe arms - Ludicrous!

Post by Icsunonove »

Mark, I'm already on with a redesign.... :D
cartledge_uk
Posts: 7608
Joined: Sun Nov 13, 2005 6:28 pm
Location: Newbury

Re: Mk1a Rear toe arms - Ludicrous!

Post by cartledge_uk »

Icsunonove wrote:Mark, I'm already on with a redesign.... :D


lol.

I'd happily grab a set and "gently" test them for you
Icsunonove
Posts: 6149
Joined: Tue Jan 25, 2005 10:37 am
Location: Market Drayton Shropshire
Contact:

Re: Mk1a Rear toe arms - Ludicrous!

Post by Icsunonove »

Well, to be honest Tim, if you tested it for five minutes and it survived I'd have no problem offering it to the general public with a years warranty! :mrgreen:
inglismark

Re: Mk1a Rear toe arms - Ludicrous!

Post by inglismark »

he he he
I knew that you would be up to something like that
carbon steel ball and race and a teflon liner mmmmmm
rubber booshes, i dont need no steenking rubber booshes
PFrazier
Posts: 835
Joined: Wed Nov 08, 2006 8:54 pm
Location: South East USA

Re: Mk1a Rear toe arms - Ludicrous!

Post by PFrazier »

TwosRus already makes a replacement for those that don't wish to DIY.
Below is a pic with a OEm and a TwosRus tierod

Image
flippin'eck
Posts: 414
Joined: Sat Oct 21, 2006 7:16 pm
Location: Liverpool

Re: Mk1a Rear toe arms - Ludicrous!

Post by flippin'eck »

I'm trying to free off my old ones (well a spare pair actually but they're as siezed as the ones on the car) as this thread got my enthusiasm for the job up :)

However they're not being very cooperative :(

I've gotten everything apart on both arms except for the fittings where the shorter arm with the taper bolt, screws into the tube. Can't seperate the tube and the arm on either unit. I've electrolysed them, soaked them in oil, heated them up as much as I dare with a gentle flame, soaked them in rust remover.. no joy..

I stopped trying at the point where I had one end in the vice, and a pair of large mole grips on the tube forming a 'T' handle, and was feeling that a little more twisting force & I'd actually shear the arm in two.

So I wanted to ask - if I removed the rubber boot off the taper-bolt bit, could I apply some more aggressive heat from an oxy-acetylene torch, to the tube in the vicinity of the thread?

Or would this damage the ball-and-socket joint (once the rubber boot's off, is there anything more composed of plastic or rubber inside the joint? - and could heat travel along the arm, into the joint enough to cause an irreversible problem)

Could too much heat take the temper out of the arm/tube too much?

Trying to be cheapo & save the tube rather than cut it off..
cartledge_uk
Posts: 7608
Joined: Sun Nov 13, 2005 6:28 pm
Location: Newbury

Re: Mk1a Rear toe arms - Ludicrous!

Post by cartledge_uk »

flippin'eck wrote:I'm trying to free off my old ones (well a spare pair actually but they're as siezed as the ones on the car) as this thread got my enthusiasm for the job up :)

However they're not being very cooperative :(

I've gotten everything apart on both arms except for the fittings where the shorter arm with the taper bolt, screws into the tube. Can't seperate the tube and the arm on either unit. I've electrolysed them, soaked them in oil, heated them up as much as I dare with a gentle flame, soaked them in rust remover.. no joy..

I stopped trying at the point where I had one end in the vice, and a pair of large mole grips on the tube forming a 'T' handle, and was feeling that a little more twisting force & I'd actually shear the arm in two.

So I wanted to ask - if I removed the rubber boot off the taper-bolt bit, could I apply some more aggressive heat from an oxy-acetylene torch, to the tube in the vicinity of the thread?

Or would this damage the ball-and-socket joint (once the rubber boot's off, is there anything more composed of plastic or rubber inside the joint? - and could heat travel along the arm, into the joint enough to cause an irreversible problem)

Could too much heat take the temper out of the arm/tube too much?

Trying to be cheapo & save the tube rather than cut it off..


heat it as much as is required.

When trying to free mine, whilst on the car they were heated to the point they set on fire :whistle:

That was the point I decided they were knackered

this topic may help too http://www.imoc.co.uk/forums/viewtopic. ... ht=toe+arm
Icsunonove
Posts: 6149
Joined: Tue Jan 25, 2005 10:37 am
Location: Market Drayton Shropshire
Contact:

Re: Mk1a Rear toe arms - Ludicrous!

Post by Icsunonove »

This is the point I got to before I threw the towel in..... :mrgreen:

Image

Image
cggrilli

Re: Mk1a Rear toe arms - Ludicrous!

Post by cggrilli »

fippin 'eck

Honestly, at £10 each for new tubes, its really not worth messing about, IMHO - just do some overtime at work to pay for them, rather than spending hours at home in the cold trying to free them off! :thumleft:

Just cut them - you know it makes sense.

Once you have new tubes on, which are free to move, its so much easier to fiddle about with the rear toe. Welding the big nut on the tubes made life a lot easier too.

Remember - as stated on this thread, that the thread on both ends doesn't go all the way in. I too got a bit confused/annoyed when my new tubes and shot-blasted threads were really stiff to move. Then realised that a lot of thread is meant to be showing. Doh!

(over use of the word 'thread', in the above sentence, sorry!)
Last edited by cggrilli on Mon Dec 18, 2006 10:49 am, edited 1 time in total.
Icsunonove
Posts: 6149
Joined: Tue Jan 25, 2005 10:37 am
Location: Market Drayton Shropshire
Contact:

Re: Mk1a Rear toe arms - Ludicrous!

Post by Icsunonove »

Agree totally ^^^^^^
flippin'eck
Posts: 414
Joined: Sat Oct 21, 2006 7:16 pm
Location: Liverpool

Re: Mk1a Rear toe arms - Ludicrous!

Post by flippin'eck »

I know it makes sense, yep - absolutely right :wink:

So what did I do, You guessed, I used it as an excuse to go and get a new toy. Mini oxyacetylene blowtorch :twisted: :lol:

The big nut sounds like a great idea, think I'll definitely be doing that one :)
rootes

Re: Mk1a Rear toe arms - Ludicrous!

Post by rootes »

denso tape is good at sealing off threaded assemblies like that - but it looks horrible
Tiamat
IMOC Moderator
Posts: 10179
Joined: Mon Jan 24, 2005 2:02 pm
Location: Hailsham, East Sussex

Re: Mk1a Rear toe arms - Ludicrous!

Post by Tiamat »

Image


Frickin heck Tom - sounds like a palaver.
However, what is that I see in the background?

Was there really an X19 under all that stuff in your garage?
I am going to live forever, or die trying!
System-G
Posts: 4554
Joined: Tue Dec 28, 2004 10:50 am
Location: Leicestershire

Re: Mk1a Rear toe arms - Ludicrous!

Post by System-G »

Tiamat wrote:Image


Frickin heck Tom - sounds like a palaver.
However, what is that I see in the background?

Was there really an X19 under all that stuff in your garage?


There is still an X19 under even more gumph in his garage :mrgreen:

Incidentally, (in case you hadn't sussed it already) Tom's username means X19 in italian 8)
85 MK1 MR2 Track N/Ail | 99 528i SE Touring | 01 Mandarin VX220
Post Reply

Return to “MR2 MK1 1984-1989 NA & SC”