[dedko]

It’s been a long time since I updated you guys. My car was in the UK for a few weeks while I was on vacation. After much searching, I found a UK mechanic who works with tuned-up Vauxhalls. He had a look, did some work and now he doesn’t answer my calls. The last conversation I had with him is as follows:

The front right hand side (passenger side) hub was replaced. It was cracked and there was no current going to the sensor. Therefore, the sensor had no power and could not send a signal to the ABS pump unit.

After replacing the hub, the speedo worked … sort of. It showed speed upto about 50km/h (approx) and then dropped to zero and stopped working. After he reset the ECU error codes (I don’t know what error numbers) it worked again up to 50km/h (approx). The problem was there is too much difference in speed from the 4 hubs. The mechanic said to replace the ABS unit with one from a z20let. He didn’t have time to obtain and replace the hub himself. I took back my car under the agreement that he would get the ABS unit for me. He doesn’t answer my phone calls and often it goes to voicemail. :???:

I don’t know much about the ABS electronics and hub sensors, but I think the new hub is not quite the same as the other hubs and therefore gives a different speed signal. :hmmz

So, the car’s back in Amsterdam and tomorrow a Dutch mechanic (a friend of somebody on opel-forum) will try to fix the situation.

[dedko]

I met up with OPCdriver on Saturday and had a long chat about possible options. One concern was that the ECU did not show an error message when we checked it. So I took the car to Opel at lunch today and asked them to have a look:

They found find only one error code from the car and no other errors or messages:

C0040 - Right Front Wheel Speed Circuit Malfunction

This suggests that there is one (or more) issue(s) with the hub, abs-pump unit or the wires.

[dedko]

@OPCdriver wrote:

Interesing swap ,
I might be able to help you but not this weekend though , as track official
i’m at the DR88 dragraces , but next weekend could be an option.

Thanks mate! I’ll send you a PM and arrange a meeting.

[dedko]

The car’s back in Amsterdam now. I was wondering if you guys might recommend a mechanic near Amsterdam who could have a look at the problem?

[dedko]

Yeah, the tachoneedle definitely worked before the conversion. The whole tachounit is the original that was already in my car, when it was a z22se.

[dedko]

I bought a second-hand ABS pump for a z20let and had it fitted today. The ABS and TC light are gone.
But, still the speedo does not work.

The original mechanic (who did the engine conversion) kept the original z22se hubs and part of the z22se loom.

Do I need to remove the hubs and fit hubs from a z20let?

[dedko]

Gentlemen, the engine is running! The car was started a couple of hours ago and it drives ok.

The doner loom, ECU and chips were all from 2001 (not from 2003 as I was originally informed) and therefore fully compatiable with the dashloom of my Astra which is also from 2001.

The problem was something much more simple; the mechanic had swapped the fuel lines by mistake. So, no fuel was going into the fuel rail!!

I am so relieved that it was something as simple as that and not much more complex.

Next task: RDW and how do I register the new engine with them?

[dedko]

Update:
Look like there is a compatibility issue between Astras made before 2002 and after 2002. Opel/Vauxhall/GM made an update to the loom in 2002 which affects the immobiliser circuit. My Opel (and therefore dashloom) is from 2001 and my engine bay loom is from 2003.

“On the older looms the immobiliser signal goes direct to the clocks but on the newer looms it goes outside on one wire and back in on another.”

More info here: http://www.astraownersclub.com/vb/showthread.php?t=350001″ onclick=”window.open(this.href);return false;

So, the 2003 dashloom I got from Baas should work on my car and resolve the problem. I’ll let you know how I get on.

[dedko]

@Baas J. wrote:

But where do you live? In the UK or in The Netherlands?

I do have a dashloom for you, but I’m quite sure that is not the problem.

I live in Amsterdam, but originally I’m from London. I’d be happy to get the dashloom from you.

[dedko]

Guys, the mechanic insists that it is the dashboard loom.
Keys, ecu, transponder and engine-bay loom are all from the same diner car (Astra Coupe turbo).

So, I’ll try it. I want to buy a dashboard loom from somewhere. Marktplatz doesn’t seem to have anything and my Duth isn’t good enough to speak to my local car dump site. :(

[dedko]

I just talked with the mechanic and asked him your questions:

He says the ECU, key-chip, transponder and engine-loom (including loom that connects to all sensors in the engine and engine bay) are from the same Astra Coupe turbo (z20let).

Still the starter-motor turns the engine but the engine doesn’t fire. :hmmz

[dedko]

Thanks Ascona, I’ve done some additional research on the z22se forum and found this article: http://www.z22se.co.uk/forum/viewtopic.php?f=115&t=17509#p1158930

It seems like Superchips have custom maps and have tuned up AtomX’s engine too. He managed to push his z22se to 234bhp, naturally aspirated (I’ll post the link as soon as I find it) after working with Superchips. I’ll be taking my car to them when I next drive to England.

[Auteur]

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