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1

Omega General Help / Re: stuff my luck with autos.

« on: 15 September 2008, 00:05:29 »

You ca use Loctite 598 instead of the gasket and this is readily available from Halfords.

As for the box operation, the 4L30E is a mechancial box with electronic control and can run with the ECU removed!

Surely Mark an hydraulic box with electronic control, every schematic i have seen on this box is hydraulic, the point about the ecu was not being made other than not recommended, the point about electrics was being made, the gear shift is an electric switch.  
At least an oil pump failure is by far  more common than the rather rare ecu failure.
      Without question most problems experianced with auto boxes are engine related.

2

Omega General Help / Re: stuff my luck with autos.

« on: 14 September 2008, 23:22:16 »

i thought i explained that the gearbox sump appeared overfull due to no circulation, perhaps a picture of me & my bait bucket half full of atf might help

Hi Tim  I should have gone to specsavers

3

Omega General Help / Re: stuff my luck with autos.

« on: 13 September 2008, 23:30:30 »

JUSTME, I changed the ecu & the g/box warning went, this is after changing the ar25 for a ar35 with no joy, & yes you can drive a auto with no electrics as i had the ecu sitting indoors while i drove it manually around the block,& people were saying my ecu was o,k & it was the g/box that was the probable fault, oh & the ecu is knackered as the new one makes a single click when ignition is switched on, the old one clicked twice which indicates a relay shutting down as a protection,[hence the g/box warning] at the time i didnt realise this & assumed it was due to one relay activating another but looking inside & seeing one relay confirmed it.

Tim would you like to rethink that.

that aint no gearstick you are using ? guess what is on the end of it ?
I'll give you a clue "it was full of oil" I could have sworn that it was a switch.

Again no electrics no gear change. it is the solonoids that change your gears they are electrically operated.  Nothing else that I am aware of will do it for you. Anyone who knows diffrent please let me know.

OK  Electrics in a mess solonoids & brakebands dont know where they are (funny things happen with bad electrics) Does the box get naffed, of course it does not. Oil gushing out of course it will it aint got nowhere else to go when you remove the plug. whats happened the bypass valve has opened, just as it was meant to all the time. built in safety wonderfull thing asint it, saved your box or as it.?

The replacement ecu was second hand wasnt it ?
Was the double click trying to tell you something ?
Driving without ecu : what is achieved it has done away with
Converter lockup cntrl
oil temp sensor
Main fluid pressure cntrl ?
crankshaft sensor
output speed sensor, used soley by the box
turbo diesel cntrl unit
to name just a few.
Your AT switch is connected to your  ignition switch & starter motor, EGR solonoid, injection rectifier solonoid, filter heating assembly, & reversing lights. via D : F : E : H on the switch
there is a story there somewhere.

Would you asscribe the previous owner with enough gumption to alter the electrics in trying to solve the problem. ?

Gearbox changed : ECU changed : Problems persist. Time to move on

Oil gushing out nowt wrong with your oil pump. it is the only thing that will give you pressure, or the oil would just sit there so forget it. Others have mentioned enough to exclude the box, in my opinion for what it's worth.

4

Omega General Help / Re: stuff my luck with autos.

« on: 13 September 2008, 00:32:26 »

i think some reading lessons needed here , firstly the gearbox changes were an issue which ended up being the g/box ecu,[ive only changed 1 box] has been fine for a week with no faults & no warnings popping up but today i lost drive totally, this is a totally different fault to the last one, CHRISGIXER thanks for that you got it in pretty much spot on, MARKDTM the original fault when i got the car was g/box check lit, ended up being g/box ecu but could drive the car manually,this g/box that went today got me 25 yards or so then lost drive,no manual change either but no check message, all the atf has gone into the g/box main sump, as taking the plug out with engine running i would expect a dribble not a torrent of atf that half filled my groundbait bucket [5 litre bucket], so my theory is that it aint pumping & to what ive read & also been told the likely candidate is the thrust washer, i know its difficult to follow my story as so much has gone on & even i get confused sometimes , so the best thing is to treat it as a one off fault rather than trying to combine the two episodes as the original fault was not the gearbox,,,,,blimey i need a stiff one,,,errrrr drink that is as for this car well im waiting for the ghost of jeremy beadle to pop up on the back seat cos this cant be real

Tim,

         In reality you have answered your own question, you drove it as a manual ?, as stated by many your box was OK. Without electrics you aint going anywhere, auto or manually, mechanically you would have known all about it. Now you can swapout the box the problem will not be resolved.
         That is why I asked you about your old ecu, still dont think there is anything wrong with it.  Back to the drawing board.
  

5

Omega General Help / Re: stuff my luck with autos.

« on: 12 September 2008, 22:37:55 »

sassanach has my vote : Mark also makes a very good argument.
At least Mutantcav has steped up to the plate, good one.

Right Tim down to you prove us all wrong again

6

Omega General Help / Re: ECU faulty?

« on: 12 September 2008, 22:39:27 »

Think your trying to compete with Tim.

7

Omega General Help / Re: Autobox Potential Problems?

« on: 09 September 2008, 22:20:50 »

Thanks for the advice... Replacements are pretty easy with ramps though right?

before you do anything check the wiring plugs at side of battery, known to cause such a prob

8

Omega General Help / Re: 1 for TB & Mark

« on: 09 September 2008, 22:08:20 »

So...do you mean the diagnostics cable?

Yep

Sorry, you need to say what you are after, and what you are trying to achieve.

If you are after full dealer level diags, then £2750 will buy you the equipment, then you need a subscription to webTIS

If you are after cheap and nasty diag system, cheapo tech2, but MUST have proper serial port on laptop. Approx £25

There are a couple of options in between.

Hi TB,

     Got centronics on the brain at present.

              Certainly not dealer levell, or cheapo.
 just need a cable & plug/plugs to connect a laptop with a serial port
for engine & gearbox ecu (or are they the same?)  Just experimental ?
at present

Still not sure what you are after  :-/

Are you trying to make your own diags tester?

If not, what software are you planning on running?

Hi TB

             Sorry about that.  Only needed a quikie. Start again.

got a laptop hanging around only used for GPS.
want to make up a cable to connect to Engine/Gearbox ecu.
That is it for the mo.
So what plugs req
Software now that's another story SH.  

The plug is a standard EODB/OBDII connector, available from many outlets.

If you are writing your own software, then thats fine, but if you want to use prewritten software, you need to buy a lead that is compatible with that software (most leads are unique to the software than runs them).

Does that make sense?

Hi TB
            Yes perfect  cheers

9

Omega General Help / Re: 1 for TB & Mark

« on: 08 September 2008, 21:55:01 »

So...do you mean the diagnostics cable?

Yep

Sorry, you need to say what you are after, and what you are trying to achieve.

If you are after full dealer level diags, then £2750 will buy you the equipment, then you need a subscription to webTIS

If you are after cheap and nasty diag system, cheapo tech2, but MUST have proper serial port on laptop. Approx £25

There are a couple of options in between.

Hi TB,

     Got centronics on the brain at present.

              Certainly not dealer levell, or cheapo.
 just need a cable & plug/plugs to connect a laptop with a serial port
for engine & gearbox ecu (or are they the same?)  Just experimental ?
at present

Still not sure what you are after  :-/

Are you trying to make your own diags tester?

If not, what software are you planning on running?

Hi TB

             Sorry about that.  Only needed a quikie. Start again.

got a laptop hanging around only used for GPS.
want to make up a cable to connect to Engine/Gearbox ecu.
That is it for the mo.
So what plugs req
Software now that's another story SH.  

10

Omega General Help / Re: 1 for TB & Mark

« on: 08 September 2008, 21:10:35 »

So...do you mean the diagnostics cable?

Yep

Sorry, you need to say what you are after, and what you are trying to achieve.

If you are after full dealer level diags, then £2750 will buy you the equipment, then you need a subscription to webTIS

If you are after cheap and nasty diag system, cheapo tech2, but MUST have proper serial port on laptop. Approx £25

There are a couple of options in between.

Hi TB,

     Got centronics on the brain at present.

              Certainly not dealer levell, or cheapo.
 just need a cable & plug/plugs to connect a laptop with a serial port
for engine & gearbox ecu (or are they the same?)  Just experimental ?
at present

11

Omega General Help / Re: 1 for TB & Mark

« on: 07 September 2008, 22:21:01 »

So...do you mean the diagnostics cable?

Yep

12

Omega General Help / Re: 1 for TB & Mark

« on: 07 September 2008, 22:04:45 »

what centronics cable & connector is req for 95 3l Elite.
where to get it from

Thats another opp's

That will be a Serial cable then

13

Omega General Help / 1 for TB & Mark

« on: 07 September 2008, 17:06:45 »

what centronics cable & connector is req for 95 3l Elite.
where to get it from

14

Omega General Help / Re: ecu problem [i think]

« on: 29 August 2008, 21:06:05 »

LADIES & GENTLEMEN,,,,,,,the moment youve all been waiting for,,,,,,,,,,the winner of the omega fault 2008, "bridgeet the envelope please"! [as i open the golden envelope] brrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr [role on drums!] the winner is,,,,,,,,,,,THE GEARBOX ECU!, yes folks the unlikely rank outsider came through at the last to receive the coverted trophy of S,O,T,Y [sh*tbag of the year], my many thanks to all the other likely part candidates to which without them none of this would have been possible, my utmost thanks to my friend in hemel for locating & posting the elusive ECU & brown brothers [cupid green]the hatchet scrappy`s for supplying the said item complete with hacked off plug! & of course my postman, who without his dedication,rusty bike & speedy delivery none of this would have been possible ,,,,[at this point a round of applause followed by a standing ovation] ,i can hear the champagne corks popping as i type!!!!!right! now i can start tidying up this old bus, oh & does anybody want an old ECU!!!!

Hi Tim,

           I would still have bet on something else but still, isnt it nice when it eventually comes together whatever the fault. I could give your old ecu an home. Just to have a look at the innards for future ref.
 

        

15

Omega General Help / Re: ecu problem [i think]

« on: 26 August 2008, 21:19:59 »

when vx checked it they had the ignition on as well as having the engine running, they didnt give me the codes for the box but did write down the fault that was showing [17 present, solenoid 1-2/3-4 voltage low/zero], any other codes showing were in the memory but not active, he also tried a tech1 for some unknown reason but if it made him happy so be it, as for the range switch, is this what i know as the inhibitor switch? also what is sensors 1*1?, im getting more confused than when i started!, so if ive changed the inhibitor switch,g/box & had it tech2 tested & this is telling me fault code 17, what is causing it ?, if a sensor where do i find it/them, ,,,,,cheers,,,,,,,

No No not confusion just one of those twins again Miss direction.

Your ecu cannot be read by tec2 it is tec1. Tec 2 is facelift approx 2000
code 17 you need to find the interpretation. VX says it is the solonoids with either a low or high voltage.
It would have been handy to know the stored codes.

Your AT switch is fed from pins  33. 8. 26. 23. on ecu
Auto trans 54. 38. 41. 40.
Solenoids 2/3 shift up 16. 32.
               1/2 & 3/4   43. 48    Which is the one in question ?
Oil Temp Sensor 22. 16.
AT output speed sensor 3. 5. 18
LCD instruments 5.
Winter Mode Switch 12. 13.
Ground 19. 35
Kick down switch 15.
There are more which I have not had time to check as yet.
All these connections feed/ or are fed by other components again I have not had the time.

One way may be you now have a spare switch, remove the connection from the box and connect to your spare. Now with the engine running selecting gear (Moving the switch) not selector check the voltages on the pins given. make sure you have a ground connection to the switch.
What the voltages should be I do not know, but compare to pins 16. 32. the 2/3 solonoid should be approx the same. Bear in mind the output speed switch with no output. May have to give it a feed epecially on 2/3 although pressing the winter mode switch would lock into 3rd gear.

That's enough for you to contend with.