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The Number One Club for owners of Triumph's range of small saloons from the 1960s and 1970s.
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PostPosted: Sat Nov 27, 2021 9:04 am 
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PS Just out of interest, how much IS a club recon stock rack these days?
Spares list on the forum lists them as £112 exchange, but that thread is marked as Last update 17/1/20

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PostPosted: Sat Nov 27, 2021 4:02 pm 
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Changing quick to normal is a 15 minutes job. Just put the input gear of the old in the quick and it's a normal std one..

Jeroen

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PostPosted: Sat Nov 27, 2021 9:43 pm 
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Location: Highley, Shropshire
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Changing quick to normal is a 15 minutes job. Just put the input gear of the old in the quick and it's a normal std one..

Jeroen
Yeah I know the only difference is in the pinion, but don't want to sacrifice a rare quick rack for this. Besides, a) meshing a used pinion with a different used rack bar might be problematic and b) it's a PITA job, don't fancy possibly doing it twice!

Steve

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'73 2 door Toledo with Vauxhall Carlton 2.0 8v engine (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine (The Dolomega)
'72 Triumph 1500FWD in Slate Grey, Now with RWD and Carledo powertrain!

Maverick Triumph, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 50 years. PM for more info or quotes.


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PostPosted: Wed Dec 01, 2021 10:41 pm 
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Joined: Thu Sep 28, 2006 1:13 pm
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Location: Over here...can't you see me?
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PS Just out of interest, how much IS a club recon stock rack these days?
Spares list on the forum lists them as £112 exchange, but that thread is marked as Last update 17/1/20
Unfortunately they are now £155 exchange as we seem to have used up all of the available core which doesn't need at least the rack straightening. I have one in stock, a couple more currently being assessed and a couple of core units which arrived over the weekend which have yet to be taken in.


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PostPosted: Wed Dec 01, 2021 10:48 pm 
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Location: Over here...can't you see me?
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Yeah I know the only difference is in the pinion, but don't want to sacrifice a rare quick rack for this. Besides, a) meshing a used pinion with a different used rack bar might be problematic and b) it's a PITA job, don't fancy possibly doing it twice!
A member recently supplied a known low mileage rack that he asked to have a quick rack pinion put in as part of the reconditioning; as the pinion was newly made, when assembled it interfered badly with the rack bar and they ended up making a new rack bar in order to be able to provide a useable rack. The benefit is that rack is now effectively brand new rather than reconditioned, but it was expensive!!

The upside is the pinion and rack bar that were taken out meant a rejected rack was able to be rejuvenated with those parts.

But going back to the suggestion of swapping the pinion, as we suspect the issue with Steve's rack is the rack bar, a replacement pinion probably wouldn't solve the issue...


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PostPosted: Wed Dec 01, 2021 11:34 pm 
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But going back to the suggestion of swapping the pinion, as we suspect the issue with Steve's rack is the rack bar, a replacement pinion probably wouldn't solve the issue...
When Steve's quick racks were ok he could swap the pinion opf the faulty rack to have a normal rack again so it could help.

Jeroen

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PostPosted: Wed Dec 08, 2021 12:24 am 
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The weather being continuously foul lately, today I boxed up the original trans ECU and posted it off to the electronics wizards to hopefully repair.

I'm realy hoping this will solve my transmission problems.

I'm still driving it around, rain, cold and wind regardless. The steering is still heavy, the fuel pump is still noisy and the shifts are erratic, but it's still bringing that smile to my face every time I fire it up. Imagine how big my smile will be when i've ironed out the bugs!

Steve

_________________
'73 2 door Toledo with Vauxhall Carlton 2.0 8v engine (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine (The Dolomega)
'72 Triumph 1500FWD in Slate Grey, Now with RWD and Carledo powertrain!

Maverick Triumph, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 50 years. PM for more info or quotes.


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PostPosted: Wed Dec 08, 2021 9:19 am 
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The weather being continuously foul lately, today I boxed up the original trans ECU and posted it off to the electronics wizards to hopefully repair.

I'm realy hoping this will solve my transmission problems.

I'm still driving it around, rain, cold and wind regardless. The steering is still heavy, the fuel pump is still noisy and the shifts are erratic, but it's still bringing that smile to my face every time I fire it up. Imagine how big my smile will be when i've ironed out the bugs!

Steve
The erratic shifting was from the beginning or did it shift correctly first?

Jeroen

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Classic Kabelboom Company. For all your wiring needs. http://www.classickabelboomcompany.com


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PostPosted: Wed Dec 08, 2021 2:24 pm 
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Joined: Sun Aug 21, 2011 5:12 pm
Posts: 7098
Location: Highley, Shropshire
Quote:
Quote:
The weather being continuously foul lately, today I boxed up the original trans ECU and posted it off to the electronics wizards to hopefully repair.

I'm realy hoping this will solve my transmission problems.

I'm still driving it around, rain, cold and wind regardless. The steering is still heavy, the fuel pump is still noisy and the shifts are erratic, but it's still bringing that smile to my face every time I fire it up. Imagine how big my smile will be when i've ironed out the bugs!

Steve
The erratic shifting was from the beginning or did it shift correctly first?

Jeroen
The original donor shifted perfectly in every respect when bought in 2013. I drove it round for several months as it was street legal when bought. But I made a mistake in my initial wiring of the ECU when fitting it to the Sprint. Instead of feeding the ECU/sport mode light as I should have, I earthed it. So the first time I switched the ignition on, there was a"pop" from the ECU and nothing connected to the trans worked. I got a 2nd hand ECU which sort of works, it doesn't self test and has this erratic shifting with a false neutral between 2nd and 3rd sometimes. And has been like this since I got it running in the Sprint. I''ve changed the trans oil and filter, there was little or no muck in either of the sumps and the oil I drained was still a good colour and didn't smell burnt or anything untoward.

Some research took me back to the company that bypassed the immobiliser, who told me the ECU is electronically matched to the car. Which is presumably why the 2nd hand one is playing up. They have said they can likely fix it, apparently it has a sort of internal fuse which I have probably blown with my error (which I HAVE now fixed) Whether I damaged anything else remains to be seen.

The reason I didn't do this before is purely cost, these guys aren't cheap and fixing the original ECU could cost me up to £200. The 2nd hand one was only £30. However, they seem to be the only company in Britain willing to even entertain the repair, it's a bit of Hobson's choice! (ie no choice at all)

The only other possibility is that it MAY be do-able to match the 2nd hand ECU to the car by someone with a proper GM op-com and who has the appropriate (obsolete) software and knows how to use it, another thing that seems vanishingly unlikely these days. I suspect from other services they offer, that these guys may actually BE in that position! But i'd still have to pay their price and take the car to them, the latter not being a massive problem, they are only 30 miles from me.

Steve

PS, if it helps, the trans is a GM 4L30E called AR 25 by Vauxhall.

_________________
'73 2 door Toledo with Vauxhall Carlton 2.0 8v engine (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine (The Dolomega)
'72 Triumph 1500FWD in Slate Grey, Now with RWD and Carledo powertrain!

Maverick Triumph, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 50 years. PM for more info or quotes.


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PostPosted: Fri Dec 17, 2021 10:54 pm 
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Location: Highley, Shropshire
Got the trans ECU back today with a staggering £268 bill attached.

Which gave me a bit of a lump in the throat, not helped by the proprietor telling me that he was retiring next year. So any other problems I get along these lines will be effectively insoluble. Nobody to fix them!

If this DOESN'T work, not only will I be out a big a wedge of money, i'll also be out of ideas. Think the only solution then, or in any future electronics failure in the trans, will be to go back to a manual trans. Not difficult, let alone impossible, just frustrating!

Will be swapping the ECU out over the weekend, watch this space!

Steve

_________________
'73 2 door Toledo with Vauxhall Carlton 2.0 8v engine (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine (The Dolomega)
'72 Triumph 1500FWD in Slate Grey, Now with RWD and Carledo powertrain!

Maverick Triumph, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 50 years. PM for more info or quotes.


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PostPosted: Fri Dec 17, 2021 11:42 pm 
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Joined: Thu Oct 06, 2011 1:13 am
Posts: 3173
Location: The continent
Quote:
Got the trans ECU back today with a staggering £268 bill attached.

Which gave me a bit of a lump in the throat, not helped by the proprietor telling me that he was retiring next year. So any other problems I get along these lines will be effectively insoluble. Nobody to fix them!

If this DOESN'T work, not only will I be out a big a wedge of money, i'll also be out of ideas. Think the only solution then, or in any future electronics failure in the trans, will be to go back to a manual trans. Not difficult, let alone impossible, just frustrating!

Will be swapping the ECU out over the weekend, watch this space!

Steve
Did you double check the pins for correct input and outputs? It's easy to destroy a new or repaired ecu in seconds when it's just a faulty pin signal.

Jeroen

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PostPosted: Sat Dec 18, 2021 10:47 am 
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Joined: Wed Oct 04, 2006 9:49 pm
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Location: Sutton,Surrey.
Quote:
Got the trans ECU back today with a staggering £268 bill attached.

Which gave me a bit of a lump in the throat, not helped by the proprietor telling me that he was retiring next year. So any other problems I get along these lines will be effectively insoluble. Nobody to fix them!

If this DOESN'T work, not only will I be out a big a wedge of money, i'll also be out of ideas. Think the only solution then, or in any future electronics failure in the trans, will be to go back to a manual trans. Not difficult, let alone impossible, just frustrating!

Will be swapping the ECU out over the weekend, watch this space!

Steve
Steve.

Not sure if this guy can help as he done the original maps for Rover.
(Yes I know you have a Vauxhall ECU he appears to know the Rover system inside out).
He may know someone that could help.
He may also remember me with the Blue 25 Steetwise with the 1.6 engine swap.

https://www.kmaps.co.uk/services

_________________
2009 Mini Clubman Cooper S Daily Driver.
1980 Dolomite Sprint with a touch of BLTS
Balanced Lightened and Tweaked 13B Rotary and SuperCharged.
Back in my possession 22 September 2019.
Rebuilding the Sprint time taken so far, 111Hrs@15/12/2020
212Hrs @31/12/2021
352 @ 28/11/2022
455Hrs @ 20/10/2023
530. @ 09/07/2024
This is time taken at the Sprint not necessary time worked.

Member TDC no 0471

Project 13B Sprint now back on..
No Pistons No Cams how’s it gonna run?


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PostPosted: Sat Dec 18, 2021 6:07 pm 
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Joined: Sun Aug 21, 2011 5:12 pm
Posts: 7098
Location: Highley, Shropshire
Quote:
Quote:
Got the trans ECU back today with a staggering £268 bill attached.

Which gave me a bit of a lump in the throat, not helped by the proprietor telling me that he was retiring next year. So any other problems I get along these lines will be effectively insoluble. Nobody to fix them!

If this DOESN'T work, not only will I be out a big a wedge of money, i'll also be out of ideas. Think the only solution then, or in any future electronics failure in the trans, will be to go back to a manual trans. Not difficult, let alone impossible, just frustrating!

Will be swapping the ECU out over the weekend, watch this space!

Steve
Did you double check the pins for correct input and outputs? It's easy to destroy a new or repaired ecu in seconds when it's just a faulty pin signal.

Jeroen
How I did it in the first place was to remove the entire loom from the donor car and strip all the looming tape off. Then, starting at the 4 plugs from the engine (2, brown and white) transmission (blue) and ECU (black) I carefully traced each individual wire to it's destination in the car making only a single cut in each to remove it from the loom and rejoining each one in turn with "chocolate block" screw joiners outside the loom as I went. I never had more than 1 cut wire at a time to deal with so I couldn't get it wrong. I took great pains to stagger the cuts so there wouldn't be a whole load of joints in one place. The process got though more than 150 individual block connectors, 2 bags of 4" cable ties and literally weeks of laborious work!

Once I had this pared down assembly lying on the bench with all the leftovers elsewhere. I offered it up to the car front end loom that I had already modified to my needs to get an idea of lengths, position of units and shape and then, again working a single wire at a time, shortened and permanently joined each wire together, finally taping up the completed loom. But the engine/trans loom is a separate entity to the car loom, with just a couple of plugs interfacing the 2 looms to make it "plug and play", 1 under the bonnet by the relay box and another below the dash.

The mistake (AFAIK the ONLY mistake) came from me not being able to satisfactorily trace the path of the trans ECU/Sport mode warning light wire through the PCB on the Omega dash. So, in this ONE case I guessed and what I guessed was that the other side of the bulb was earthed. It was a dash light, what else would it be, other than an earthed bulb, right? WRONG!

I'd already decided to use the redundant choke warning light segment in the cluster as the sport mode /ecu warning and spent some time altering the cluster's board to be an earthed bulb rather than a fed one as it is originally. I should have left it as it was, would have been perfect!

The upshot was, that once everything was connected up, the first time I switched on the ignition, there was a "pop" from the trans ECU and nothing connected to it worked properly. I walked away for several weeks in disgust and frustration!

I may be many things, but a quitter I am not! So once I got over my fit of pique, I turned to finding out what i'd done wrong. I already had a Haynes manual for the Omega, but it's 30 odd page paper wiring diagram was difficult (impossible without a magnifying glass) to read and horrible to interpret. I sought out and found a downloadable wiring diagram (and masses more) which was interactive for a mere £7.

There's no doubt I should have got one of these in the beginning, if i'd known they existed, I would have! I'm completely sure the wiring diagrams are designed to be used this way, it made everything simple. So simple that I was able to check everything i'd done and almost immediately find the mistake.

Correcting it was even easier, as I just subbed a spare standard W/L cluster board for my modified one.

But I still had a blown ECU and the price quoted by the wizards to fix it (along with dire warnings that it was matched to the car) made me want to a least TRY a second hand one which I found without trouble on ebay for £30. And this is the one the car is running currently, with all it's shifting problems and that anoying false neutral.

Are the problems down to the trans ECU i'm presently using not being matched to the car? I hope so! Are all the wires in the right places? As far as I can tell, YES!

Steve

_________________
'73 2 door Toledo with Vauxhall Carlton 2.0 8v engine (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine (The Dolomega)
'72 Triumph 1500FWD in Slate Grey, Now with RWD and Carledo powertrain!

Maverick Triumph, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 50 years. PM for more info or quotes.


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PostPosted: Sat Dec 18, 2021 6:57 pm 
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Joined: Mon Dec 12, 2016 9:53 pm
Posts: 1734
Location: Harrow Middlesex
When i changed the gearbox on the Stag i used 4Hp22 its a four speed you can change the bellhousing,and best thing doesnt need ECU,there used on BMWs Jag,and Range Rover


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PostPosted: Sat Dec 18, 2021 8:11 pm 
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Joined: Sun Aug 21, 2011 5:12 pm
Posts: 7098
Location: Highley, Shropshire
Quote:
Quote:
Got the trans ECU back today with a staggering £268 bill attached.

Which gave me a bit of a lump in the throat, not helped by the proprietor telling me that he was retiring next year. So any other problems I get along these lines will be effectively insoluble. Nobody to fix them!

If this DOESN'T work, not only will I be out a big a wedge of money, i'll also be out of ideas. Think the only solution then, or in any future electronics failure in the trans, will be to go back to a manual trans. Not difficult, let alone impossible, just frustrating!

Will be swapping the ECU out over the weekend, watch this space!

Steve
Steve.

Not sure if this guy can help as he done the original maps for Rover.
(Yes I know you have a Vauxhall ECU he appears to know the Rover system inside out).
He may know someone that could help.
He may also remember me with the Blue 25 Steetwise with the 1.6 engine swap.

https://www.kmaps.co.uk/services
I don't know who makes the Rover ECU, it won't be an in-house product and Lucas is no more.

The Vauxhall system is Bosch from end to end.

Your guy seems very focused on Rover stuff, but possibly stilll worth a call if I'm stuck! Thanks!

Steve

_________________
'73 2 door Toledo with Vauxhall Carlton 2.0 8v engine (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine (The Dolomega)
'72 Triumph 1500FWD in Slate Grey, Now with RWD and Carledo powertrain!

Maverick Triumph, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 50 years. PM for more info or quotes.


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