The Triumph Dolomite Club - Discussion Forum

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PostPosted: Sat Aug 24, 2019 10:42 pm 
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TDC Shropshire Area Organiser

Joined: Sun Aug 21, 2011 4:12 pm
Posts: 5234
Location: Highley, Shropshire
Few more jobs accomplished, another fortuitous find on a scrap Peugeot 206D gave me a battery clamp that EXACTLY fits my new battery!

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This has given me the impetus to complete and mount the carrier bracket and battery in the car!



A few bits of wiring left to complete, so i've not actually connected the battery to the system yet, but it's definitely not far off, maybe even this weekend.

Meanwhile, i've got busy mounting the trans ECU and the other stuff up behind the glove box. Still a few more connections to make but you get the idea! I thought this was going to be tight, but there's plenty of room!

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The fuel return tees into the tank breather, i've had the bespoke copper tee piece for weeks but had trouble getting the 12mm R9 hose to replace the original naff old breather pipe! This car will run happily on 91RON E5 so ALL the hose needs to be compatible!

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Finally a quick pic of the repair to the door top, it looks to have been drilled twice before, the 2 marks you can see are NOT the holes I filled which are lower!

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That's all for now, Steve

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_________________
2 door '73 Toledo with Vauxhall Carlton 2.0 8v engine OWF 797M (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine EGP 247T (The Dolomega)
'91 Cavalier 2ltr 8v auto
'95 Cavalier 2ltr 16v auto
Spectrum Auto Services, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 45 years and home of Maverick Triumph.PM for more info or quotes.


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PostPosted: Mon Aug 26, 2019 9:27 am 
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Location: Harrow Middlesex
Steve

your ECU and relay panel cant make out is that drivers side or passengers side, just started making the same mounting panel

Dave


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PostPosted: Mon Aug 26, 2019 7:49 pm 
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TDC Shropshire Area Organiser

Joined: Sun Aug 21, 2011 4:12 pm
Posts: 5234
Location: Highley, Shropshire
That's passenger side Dave, to get over the irregular shape of the bulkhead, there's an aluminium plate mounted by 3x 1/4" bolts to the bulkhead like bolthead, bulkhead, nut, plate, nut in that order so it stands just proud by a nut's thickness. one nut holds the top of the ECU too, another does duty as the earthing point and the 3rd secures the ign live booster relay to the board. I've now added the other 3 relays in a block screwed up to the underside of the screen frame reinforcement and looks nice and tidy. Still have to make the loom for ECL and leccy windows but the relayed feeds are there now to work from, this can be added anytime! I'll take a better pic when I have daylight to help!

I've had another productive couple of days, the fuel feed AND return is now complete, i've wired up the fuel pump and (something i've been meaning to do for ages) replaced the ratty tatty Scotchlock infested original 78 rear section loom with a real nice condition 1980 one that i've kept for this car (late loom includes foglight wiring) So now I can dismantle it in the middle by the B post to add the wiring for the indicator repeaters which i've already laboriously threaded up through the B posts to the lamp fitting area.

A couple of parts came in the post on Saturday so i've added them in and now have an air cleaner and a lovely bit of bling ally piping to plumb it with!

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Lots of lovely cold air will get in there!

Finally got around to something i've had in my head for about a year and been putting off almost as long, fitting the throttle potentiometer and modifying the pedal!

So first I cut the top 1" off the Omega's pedal which includes a ball for the linkage, then opened up the cable slot in an original pedal and welded the blade section piece of the Omega pedal into the slot. So far, so good. Replaced the original pedal and it clears where it needs to, RESULT! Then I offered up the potentiometer on it's Omega fitting bracket, marked the position of the bolt holes, drilled the bulkhead to suit and bolted it into place. Now the clever bit, hinged the (non length adjustable) ball socket rod round and clipped it over the ball on the pedal which is in EXACTLY the correct place! I love it when a plan comes together! Tests confirm that I have full throttle travel and the pedal reaches it's "kickdown" position (identified by a slight ridge in the operation) about a carpets thickness off the floor! I've left the original Sprint auto bulkhead stiffener in position, just in case of stress on the weak bulkhead, but it may not be needed, the new "fly by wire" throttle is smooth and light in operation and i'm a happy bunny! Still better to have it and not need it than vice versa! For a finishing touch, I found and fitted a blanking grommet to the hole previously occupied by the throttle cable. This also acts as a silent pedal "up" stop!

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I've just quickly tried again, but I don't think this pic explains much more than the last one! The screen on my phone is half dead, so I don't know what the pics are like till they are on the computer!

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Lastly a quick shot of the rats nest of heater, servo, fuel and trans cooler pipes that lives down at the o/s/r corner of the engine! Fortunately most of this lot will be obscured once the servo and master cylinder are in place!

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Steve

_________________
2 door '73 Toledo with Vauxhall Carlton 2.0 8v engine OWF 797M (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine EGP 247T (The Dolomega)
'91 Cavalier 2ltr 8v auto
'95 Cavalier 2ltr 16v auto
Spectrum Auto Services, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 45 years and home of Maverick Triumph.PM for more info or quotes.


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PostPosted: Tue Aug 27, 2019 7:00 am 
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Posts: 749
Location: Harrow Middlesex
Stag

Thanks for the pictures of ECU,looks like we fitted the same size fuse board

Dave


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PostPosted: Sat Nov 23, 2019 10:07 pm 
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Joined: Sun Aug 21, 2011 4:12 pm
Posts: 5234
Location: Highley, Shropshire
OK, so 3 or 4 weeks ago, I got to the stage of trying for a first startup. I'd rechecked and made good a couple of mistakes and got a download of the Omega wiring diagram which is a joy to use as it's sort of interactive, you click on a part of the diagram and it automatically takes you to the next diagram of what you want to visit. Trying to do this from a paper diagram is nearly impossible, I think they must have been designed to be used digitally from the start.

Comforted by the knowledge that I haven't made any glaring errors, I connected the battery and commenced checking all the circuits for function, which I had with one or two easily fixed exceptions.

However, I had, of necessity, incorporated the electronic immobiliser from the Omega into my loom. This is activated by a chip in the key. I had carefully saved the chipped key, intending to use the chip and key housing with a modified Dolomite key in the ignition switch. This would have been a bit of a PITA to achieve and a bigger one was getting the bulky immobiliser housing into the Triumph column shroud. I'd not really found a solution, but for now, the idea was just to tape the Vauxhall key into the immobiliser housing and go from there.

This is where it all went pear shaped, The ignition comes on fine, engine management light illuminates, as well as the Transmission self test light. A touch on the starter button and the engine cranks over satisfactorily and after a few turns the oil light goes out. But there's no trace of any willingness to fire!

A couple of quick checks confirm there is no switching power from the ECU to the main engine relay or the fuel pump relay. A power feed INTO the fuel pump relay confirms the fuel pump is operational, leaving it on for 20 secs confirms fuel at the rail, through the pressure reg and into the return pipe by highlighting a leak in the return pipe onto the floor! 5 minute break while I tighten a jubilee clip on the return pipe I missed the first time!

Plugging in the diagnostic results in a "no communication" message, so my conclusion is that the immobiliser chip reciever is not recieving the signal from the chip, ie the reciever and the chip have fallen out of synch. This is apparently possible, especially since neither have had power though them for 7 years. I ve checked all the feeds INTO the ECU (there are 5, in total, both ignition and permanent live) and all are correct and supplying power as they should.

Now the immobiliser is a complex little bit of kit with it's own circuit board of electronics, 2 feeds and a chip of its own, so it's NOT a case of crossing wires and hoping. What's more, Google is no longer my friend, an exhaustive search on "How do I bypass the immobiliser on my 2001 Omega B?" says either "Dunno mate" or "I know but I won't tell you, in case someone uses the knowledge to nick MY Omega!"

After a lot of head scratching and swearing and an even more exhaustive search, I have found a company in Stoke, who, for a price that is only NEARLY exorbitant, will replace the chip and board in my immobiliser with one of their own devising which completely bypasses the immobiliser circuitry, but still powers the ECU and it's link to the diagnostic plug in the original manner. I should have this item back in my possession on Monday, so hopefully should have the car running soon. Unless of course there is another problem as well! Wish me luck!

PS this company undertake immobiliser repairs on many other makes and an also do key chip resynchs. If this works, i'll have no hesitation in recommending them to anyone who needs such a service on their modern! Apparently, Vauxhall, in common with many other manufacturers these days, won't even OFFER the resynch process on any car more than 10 years old. The excuse is obsolete software, but I suspect it's more designed in obsolescence. I have myself condemned a number of Renaults (and a couple of others) to scrap for insoluble immobiliser problems, knowing this guy exists may help more survive this!

Steve

_________________
2 door '73 Toledo with Vauxhall Carlton 2.0 8v engine OWF 797M (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine EGP 247T (The Dolomega)
'91 Cavalier 2ltr 8v auto
'95 Cavalier 2ltr 16v auto
Spectrum Auto Services, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 45 years and home of Maverick Triumph.PM for more info or quotes.


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PostPosted: Sun Dec 01, 2019 9:15 pm 
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TDC Shropshire Area Organiser

Joined: Sun Aug 21, 2011 4:12 pm
Posts: 5234
Location: Highley, Shropshire
IT LIVES!!!!!

I got the immobiliser back from the guys at Automotive Electronics in Stoke on Wednesday last week and after removing the engine management loom earlier, I have made a couple more corrections and simplifications of the circuitry.

So today I reinstalled it in the car (10 mins as it's "plug and play" by design) reconnected the battery, switched on the ignition and after uttering a brief prayer, hit the "start" button, to be INSTANTLY rewarded with all 4 cylinders singing sweetly, if a little loudly on the open downpipe. Oil light instantly extinguished, rev counter reading nicely and voltmeter climbing happily towards 14v. No signs of oil or water underneath and the idle settling happily as the cold start relinquishes its hold, I hesitantly hit the (fly by wire) throttle and it revs smoothly. Now REALLY pushing the boat out, I select reverse and it engages with a slight clunk and the wheels show it going backwards, drop through neutral to drive and again everything works normally. A bit of a graunch back into park but i've no brakes plumbed in yet to stop the driveline turning. I switch it off, nonchalantly I think, pause and take a breath!

You don't need much imagination to visualize the size of my grin at this point! I'm still buzzing as i write this 4 hours later!

THIS is why I do this, this golden moment, when all the planning, scheming, dreaming, obstacle suppression, cold, damp, brainstorming and sheer hard graft all comes together in a mechanical symphony that would make a more demonstrative man than I am dance for the sheer joy of it! Even the first drive out can't match this, finishing from here is nuts bolts and paint. This moment is MY Triumph (in more ways than one)

10 months from tomorrow, the 2020 RBRR will be setting off from Knebworth and I am now confident that the Dolomega will be amongst the starters. I can't begin to tell you all how chuffed I am about this!

Steve

PS, the immobiliser bypass cost me just shy of £180! Right now I count it as money well spent and thank the gods of PPI refunds for financing it!

_________________
2 door '73 Toledo with Vauxhall Carlton 2.0 8v engine OWF 797M (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine EGP 247T (The Dolomega)
'91 Cavalier 2ltr 8v auto
'95 Cavalier 2ltr 16v auto
Spectrum Auto Services, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 45 years and home of Maverick Triumph.PM for more info or quotes.


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PostPosted: Mon Dec 02, 2019 12:23 am 
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Joined: Wed Oct 04, 2006 8:49 pm
Posts: 668
Location: Sutton,Surrey.
It’s like a Constant uphill battle.
One step forward and mostly three back.

After a certain point it all comes together.
Nice to see another Dolomite back on the road.

Great colour choice
Not that I’m biased in anyway. 👍

_________________
2005 Mercedes C Class V6 Diesel Turbo Daily Driver.
1980 Dolomite Sprint (She’s back and havin a engine transplant)

Happy Sprint owner again.

Member TDC no 0471


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PostPosted: Mon Dec 02, 2019 7:29 am 
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Joined: Mon Jun 11, 2012 3:36 pm
Posts: 908
Location: Andover Hants
Nice one Steve, that 1st start up is always special. :D

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Modified Dolomite Sprint MSO 662P
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PostPosted: Mon Dec 02, 2019 11:50 am 
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Location: Halifax, West Yorkshire
Excellent result Steve and the first major reward for all the hard work! Nice one.

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PostPosted: Mon Dec 02, 2019 4:46 pm 
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TDC Cheshire Area Organiser

Joined: Wed May 17, 2017 5:28 pm
Posts: 816
Location: NANTWICH.
Very well done Steve, it's going to be one hell of a car. 8)

Tony.

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NOW A CLUB MEMBER 2017057 :bluewave:


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