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1

Omega General Help / Re: 2.2 dti fuel leak on top of tank

« on: 28 April 2011, 14:00:37 »

thanks for that cheers

2

Omega General Help / 2.2 dti fuel leak on top of tank

« on: 28 April 2011, 01:11:55 »

hi i have two pin hole diesel leaks from a badly rusted feed pipe on top of my fuel tank,can any one tell me the costs involved for a new lid ?

3

Omega General Help / Re: bigdavy60

« on: 18 January 2011, 14:36:23 »

Fergy wrote

I agree with Boditza. Try reading the codes. As far as I remember there are only 2 or 3 codes relevent to pre heating, as follows.
P 1694- Glow plug indicator lamp/ wiring fault
P 1694 - Has another explanation that I have forgotten, but it is associated with the Glow plug indicator lamp
P 1635 - Mal function in glow plug heating  and control circuits.

The first is pretty self explanitory and the third can account for one or more glow plugs open circuit, wiring problems or glow plug control module fubared or just about any other pre heater malfunction other than the indicator bulb/ wiring.

It is not unknown to have all four glow plugs fubared and  the car will still start quite easilly in warm weather.  They are easy to test - pull off the caps (they have a release clip) and they should read about 1 ohm tested to earth in situ with a meter. If you have any that are higher resistance they are fubared.

Glow plug control module sits in the big black triagular plastic box on top of your battery.You are looking for a finned aluminium box about 9cm by 4cm right in the bottom of the triangular box. Part is common to several GM cars and is often held in stock by a decent dealer. GM# 55354141

IIRC you have changed the battery, so will have disturbed this module? It may be worth getting it out and checking all contacts are good, but see what the codes indicate first. When I had this problem I noticed that on distrurbing this plastic box, my starting problem disappeared, but returned a week later.

PS 2.2Dti has no lift pump

yes was my 2.2dti with starting problems and the lifter pump in the tank is exactly the same as posted pics for the 2.5td
20 min job

Shomething wrong here shurely? :-/ :-/ :-/

it gets stranger by the day ,no pump in my tank ,please see my reply to kneepad mmmm?

4

Omega General Help / Re: bigdavy60

« on: 18 January 2011, 14:32:10 »

See earlier post.

BigDavy's Vauxhall man told him there was no lift pump in the tank. 

hi guys i have opened the tank , guess what there is def no pump, we have a fuel gauge sender unit , a swirl pot , and a filter on the end of the pick up pipe which is totally covered in thick black gunge, it looks identical to the pictures posted for the 2.5 but no fuel pump in the housing or wiring i may add,however im going to clean the whole thing up and reasemble it surely this must have been restricting the fuel flow in some way,ill leave the car over night to see if this does the job,fingers tightly crossed.  [smiley=undecided.gif] [smiley=undecided.gif] [smiley=undecided.gif]
ps is it possible some 2.2,s have the pump and some dont?

5

Omega General Help / Re: bigdavy60

« on: 17 January 2011, 23:08:19 »

yes was my 2.2dti with starting problems and the lifter pump in the tank is exactly the same as posted pics for the 2.5td
20 min job

where are these pics posted mate

Way up above in another post, here they are again:

http://www.omegaowners.com/forum/YaBB.pl?num=1251298222

yeah very good info there mate ill get stuck into that tomorow, lets hope we get a result watch this space. cheers

6

Omega General Help / Re: bigdavy60

« on: 17 January 2011, 22:37:07 »

yes was my 2.2dti with starting problems and the lifter pump in the tank is exactly the same as posted pics for the 2.5td
20 min job

where are these pics posted mate

7

Omega General Help / Re: bigdavy60

« on: 17 January 2011, 13:32:01 »

Glad to hear you found a pump in the fuel tank. I was beginning have doubts.   

   ill let you know how it goes mate fingers crossed          

8

Omega General Help / Re: bigdavy60

« on: 17 January 2011, 13:29:26 »

well worth cleaning the filter on the pick up pump in the tank.
just done mine and it was caked in crap and surely restricting the fuel suply,
20 min job hardest part was getting the outer ring off but now with that cleaned and the fuel filter changed which was a right bast&*d as space is very limited she is running sweet as a nut for now, filled the fuel housing with 70/30 diesel magig to diesel just to give the ingectors a good clean

so there is a pump in the tank right??

well well well i hope this is it this time guys, cant wait to get the tank open.

9

Omega General Help / Re: bigdavy60

« on: 17 January 2011, 13:26:46 »

well worth cleaning the filter on the pick up pump in the tank.
just done mine and it was caked in crap and surely restricting the fuel suply,
20 min job hardest part was getting the outer ring off but now with that cleaned and the fuel filter changed which was a right bast&*d as space is very limited she is running sweet as a nut for now, filled the fuel housing with 70/30 diesel magig to diesel just to give the ingectors a good clean

ill get back to it on tuesday mate, was it your self who had the same problems as me when starting ?

10

Omega General Help / Re: bigdavy60

« on: 13 January 2011, 23:33:14 »

TIS is Techincal Information Sistem.. it is like a service manual for all opel or vauxhall cars.. google it

thanks for all the advise ive had from the forum i will get back to you all when i get a result ,it might just take a little time to do so cheers

11

Omega General Help / Re: bigdavy60

« on: 13 January 2011, 07:45:37 »

i was talking about your "vaux spark guy" who said that it is up hill or down hill from injector seals. try to change them again.. get Opel TIS and you won't get them wrong... try to start the car and carefully watch the injectors for any smoke rising up from them

thanks for that,i guess ill have to dismantle it again and inspect them for damage, ps whats opel tis is it a lube to stop seals catching when you slide injectors into place?

12

Omega General Help / Re: bigdavy60

« on: 12 January 2011, 23:23:55 »

then you should change your mechanic!!! the injector seals can be a problem but when those are gone it doesn't matter if its uphill downhill or flat because its under pressure and it will leak no matter what

so from what you are saying that is exactly the case uphill , down hill or flat its still the same, do you also think i should take the injector seals out again to check that they havnt been nipped during the rebuild, oh one other thing im sorry i cant change the mechanic im doing all the donkey work myself, id need to remorgage the house to pay a garage i think ,but hey im doin my best ,well the wife thinks so any way ha ha ?

13

Omega General Help / Re: bigdavy60

« on: 12 January 2011, 14:28:49 »

your problem is most likely between pump and engine. the 2,2dti is sensitive when it comes to empty fuel tank. Air in the fuel system can cause damage to the injection pump. That's why the vehicle must never be driven till the fuel tank is empty. try towing it to start and then look for smoke under the bonnet and see where it leaks

the car will start without towing it just takes for ever, any way i think ill have to strip it down and renew the spill pipes again also remove and check the injector seals are ok , well if the main dealer technicians can make a mistake then surely i can , cheers will let you know how i get on will get to it on thurs/fri

14

Omega General Help / Re: bigdavy60

« on: 12 January 2011, 13:57:26 »

I agree with Boditza. Try reading the codes. As far as I remember there are only 2 or 3 codes relevent to pre heating, as follows.
P 1694- Glow plug indicator lamp/ wiring fault
P 1694 - Has another explanation that I have forgotten, but it is associated with the Glow plug indicator lamp
P 1635 - Mal function in glow plug heating  and control circuits.

The first is pretty self explanitory and the third can account for one or more glow plugs open circuit, wiring problems or glow plug control module fubared or just about any other pre heater malfunction other than the indicator bulb/ wiring.

It is not unknown to have all four glow plugs fubared and  the car will still start quite easilly in warm weather.  They are easy to test - pull off the caps (they have a release clip) and they should read about 1 ohm tested to earth in situ with a meter. If you have any that are higher resistance they are fubared.

Glow plug control module sits in the big black triagular plastic box on top of your battery.You are looking for a finned aluminium box about 9cm by 4cm right in the bottom of the triangular box. Part is common to several GM cars and is often held in stock by a decent dealer. GM# 55354141

IIRC you have changed the battery, so will have disturbed this module? It may be worth getting it out and checking all contacts are good, but see what the codes indicate first. When I had this problem I noticed that on distrurbing this plastic box, my starting problem disappeared, but returned a week later. 

PS  2.2Dti has no lift pump

as in my reply to boditza my mate is a vaux spark and has done all the elecrical tests a few times , he says its got to be mechanical and thinks i should strip it down again and check the injector seals have not been damaged whilst rebuilding , he says it happened alot in the main dealership, ie customer got car back only to find when it was parked on a gradient it would not start, after this the garage wouldnt return the customers car untill they left the cars front wheels on the ramp and lifted up as high as safely possible also leaving the car overnight to make sure the fuel didnt run back ,oh no im going to have to do it all again.

15

Omega General Help / Re: bigdavy60

« on: 12 January 2011, 13:39:51 »

if there is no lift pump then whats beneath that cap in the trunk?? i tryed to remove it but on eof the screws was stuck (

you have the diesel feed and return pipes and a cicular access plate thats welded onto the tank with rust  and a locking ring which so far i cant move,this gives access to the fuel gauge sender unit and stand pipe which i assume has a small fine mesh on it, never the less i think if the mesh was dirty it would cause fuel starvation as in no power or lack of acceleration rather than a starting problem like this, cheers