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Pete's OBD2 Corrado VR6 - On The Road


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It's alive!!!  

Went to my local pirtek branch to make up my oil lines as didn't have correct tools here to do the job and wanted peace of mind 🏻 They have done a great job and only £38 - I supplied the li

I went to Stealth yesterday, feeling quite apprehensive! I am the 3rd car that has used their new strapping system, so they can run higher power cars without needing to use glue all of the time, and a

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Sorry guys for doing the job properly and saving another corrado from the scrap heap :)

After driving my punto for 3 years with no VR6 in my life I'm going to be scared shitless, I'm sure with the 3.68FD will make it a beast along with the few other tricks onboard :)

It's the finer details that makes it in my opion.... alot of the parts are original, and over time are showing their age!! winter is an ideal time to sort all this lark out now most of the bigger jobs are done.... apart from the final stint next month.... should hopefully be almost ready to MOT in time for March!

if anyone wants to come help next month, and your around the stoke area, please do feel free to come play :) many hands make light work and all that :)

Pete

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no matter how much to clean it its still a rado at the end of the day ........ hehe

why why why tony :( Corrado's are by far the best VR6 there is :) the build quality... oh err wait' date=' I see what you are saying :) still lovely cars once they are restored :)

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The mk2 platform is great and dont let anyone say otherwise pete! Lol..

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It is a good platform, I loved my Mk2 golf.... but the build quality of the corrado is alot more noticable over the mk2!!

I've only got to look at a peice of interior trim for it to break....

Dont, worry I'll be OBDII in no time, so will be right up there with your late mk3 boys :D

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Small Update :)

Some of the bits in the engine bay were looking a little rough...

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soooo off to the sand blasters and powder coaters...

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The condition of the fan cowel wasnt brilliant, and did blow through in areas when being sand blasted... :( but i thought it would have been alot worse!!!

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It looks a lot better than before, looks mint from the top, so really its more preservation on the bottom more than anything....

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Had a good weekend on the Corrado :)

I've now 95% rebuilt the fan assembely, I'm just waiting on a ring guide to come from Germany before I can re-fit to my new radiator - which my new one did come on Friday, but due to a manufacuing fault with the tank being fitted upside down, its been sent back this morning and i'm currently awaiting a new one to be sent out... but the chaps have been really good and helpful..

Here is the fan assembely;

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I've now rebuilt the OBD 2 inlet manifold, just need to give a final buffing before fitting and finish polishing a few bolts... bit fitted the throttle body, new gasket and new bolts to that :)

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Big update on the inside of the car tooo.... finally finished putting the interior back together!

Fitted a new screen demister bowden cable due to it being kinked, which caused the old heater controls to fail.

fitted new clips on the other bowden cables, and re-installed the heater controls, this was like a surgical procedure putting it back together.

The bowden cables where a pain in the a$$ as they were right up in the dash...

To finish off the interior, I installed my new head unit, so all good now!!

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Just about to order a new front silencer today, another 63 quid. but last of the big spend on it for a while I think :)

12th / 13th November will be the weekend of the OBD2 upgrade and fitting the new gearbox, front silencer, and re-fitting radiator!

Hopefully, bar a few small bits, its ready for MOT!! well... need swap the wheels first :)

- Pete

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Ok.... Ordered a few more bits over last few days...

- M6 Polished Rocker Cover Nuts

- L041 original VW Spray from ZakParts to respray slam panel.

- Fan Guide Ring Ordered from Germany

- Radiator Fan Switch

- Exhaust Front Silencer

- New gear box is now built, Diff Rivets replaced with nuts and bolts, 3.68 Crown Wheel and Pinion, Full new bearings and seals...

I think thats about everything I need for the next phase of the project...

Hoping to get the tyres swapped onto my new rims in the next few weeks...

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Cheers Ben, It's actually metal, I think the current one on the car is laqured, and theres the part that runs under the head lights that is exposed so would have to laquar that....

mine is currently all mashed up where the bonnet latch has ceased and caused some major damange on the panel where is been dropped due to the latch being stuck...

considering the front of the car is off in a couple of weeks time, thought it might be a good idea to get the new one on at the same time to straighten it all out and remove some more rusty parts from the engine bay :)

It was just the overall process I wasnt sure on, I'll probably get my brother spray it up as he used to be a sprayer years ago but sadly has MS so cant do much these days :(

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  • 2 weeks later...

How do Dave, no mate, didnt do it myself, but all youd need is a G60 gearbox. or im sure stealth racing may have some knocking around the workshop.... it may be available from VW still....

I've had all new seals / bearing and had the naff diff pins replaced for nuts and bolts, i recall that in my last gearbox the shite diff pins had let go and put a hole in the box ! doh

yeah john, this weekend is going to be the last big weekend, got DanH and Tony coming up, gearbox to go on, all my OBD2 upgrade (Ecu, loom, lambda, maf, manifold, TB etc...) so it should be sweet as a nut after!

Not sure if Jason is popping down this weekend for a catch up, he said he would text me on friday :)

Pete

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Well, its been a funny old weekend....

First of all on Friday I received a phone call saying the 3.68 FD gearbox had been stolen, so that was that out the window this weekend, which in hind sight was good as the work to do the OBD2 upgrade was under estimated...

Here's a tip for anyone who turns their OBD1 corrado to OBD2.... get the imob delete done!! As I had all the imobiliser bits, it should have 'just worked' famous last words.... We had issues with the imobiliser kicking in... almost text book...

This arrived Friday, lovely bit of kit for those who dont have one, well worth getting (cheers FishWick)..

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Taking the front end off was needed as I have a new lower inlet manifold inlet manifold and needed to fit my new alternator pulley.... it also made it alot easier in general :)

so, here we have a photo with inlet manifold off, all the OBD1 engine harness removed.... tony had a lot of fun trying to get the servo out so could get the loom through the bulk head :)

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While tony was making up the loom, I started replacing the lower manifold and removing the alternator to replace pulley and the bolts...

beleive me when I say this cheeky smile didnt last for long... it was a bit of a nightmare creating the new loom.... :) so many plugs as the car the OBD2 golf the loom came off had air con...

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Replacing the lower manifold was easy enough once everything was off, cleaned everything up, replaced the rocker cover studs and installed some stainless nuts...

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The old stuff had seen better days...

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here we have the alternator all refitted... which was no easy task!! and took some gentle persuasian to get back on.... I also had my pulley vapour blasted and gave the alternator a good clean up using scotch pads...

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Ok, so we now have everything back together.... and ready to fire it up...

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it starts, but then cuts out with a VAG-COM error;

Saturday,12,November,2011,21:51:33:23162

VAG-COM Version: Release 704.1

The VR6 Owners Club

Address 25: Immobilizer

Control Module Part Number: 1H0 953 257 B

Component and/or Version: IMMO VWZ3Z0S2042493 V00

Software Coding: 09600

Work Shop Code: WSC 00516

2 Faults Found:

01176 - Key

65-10 - Unauthorized - Intermittent

00546 - Data wiring faulty

27-00 - Implausible Signal

After discussing everything with a couple of the guys from the Corrado forum to confirm the imob was wired up correctly, we were not able to get it started.... I've got one more thing to try tonight with doing an 'adaption' via VAG-COM..

To match the ECU, insert the authorized ignition key into the lock and switch on the ignition. Select the immobiliser (address 25) and select Adaptation (group 10). Enter channel 0 (or 00) and select save. Exit the immobiliser address and turn off the ignition, then the car should be able to start.

If this doesnt work, then the ECU is off to stealth tomorrow for the imob delete and getting the rev limiter set to 6700RPM as the original OBD1 ECU is set by default on the Corrado...

so, not alot we could do, we decided the best plan would be to get it all back together and make sure aux pump, fans etc... all kicked in, we tested this by bridging the pins on the thermo housing plugs, refitted the radiator, re-wrapped some of the existing corrado loom to make things all neat and reinstall engine plastics...

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So, things that remain:

- Finish wrapping looms, getting some screw on cable ties to reattach loom across the bulkhead and around the suspension turrets.

- Imobiliser delete

- re-fit fuse box / shelves

- re-fit seat

- re-attach bonnet cable

- Cross fingers it starts...

The only other major issues is now with my Clifford alarm playing silly buggers, and not arming / dearming properly... also my full enclosure no longer works off the button so will probably need a specialist to be involved to sort this.

so if anyone is good with alarms, please let me know :)

Tony also replaced a dodgy exhaust clamp and bled up brakes, clutch ABS etc... so thats pretty much it for this weekend.... job well done Tony :)

Cheers

Pete

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Adaptation didnt work, so the ECU is off to stealth tomorrow...

managed to identify the not arming / disarming issue as a low battery in my fob as my other one works fine... still not sorted the full closure, although i do hear the central locking pump sometimes make noises so tomorrow i'll part open my sunroof and try it... if the sunroof closes and the door doesnt then it narrows down to the central locking side of things.... if the sunroof doesnt close then its more alarm / wiring side of things is my thinking - does it sound like a logical approach?

Cheers

Pete

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