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1

Omega Electrical and Audio Help / Re: Flat battery - MID staying on?

« on: 21 March 2011, 20:30:15 »

Hi,

I might be way off the mark here but is your interior light working as normal?

I only ask because most Vauxhalls leave the auxillary circuits on to allow you to, for example, close your windows after you have pulled the key out of the ignition. It waits for the drivers side door to open and close before turning everything off.

Get in you car, shut the door and turn on the ingition. Then turn it off and remove the key. Raise and lower your window and then open and close the door. At this point everything should switch off. If after closing the door your windows still work (without having replaced the key) then it's not seeing the door open and/or close and not switching off the aux power circuit. If this is the case I'd start with the door switch.

>Jamie

2

Omega General Help / Re: Vacuum Pipes

« on: 29 March 2011, 21:32:55 »

Hi Dustybin,

This is for the 2.2 DTI but it should be the same for the 2.0 DTI.

http://dl.dropbox.com/u/24763789/Y22DTH%20Vacuum%20Routing.pdf

This could explain the smokey exhaust if some of the pipes are switched.

Good luck!

>Jamie

3

Omega General Help / Re: Diesel Pump

« on: 21 March 2011, 20:04:26 »

Hi There,

There is a lot of conflicting information about these pumps (Bosch VP44 series) on the internet and whether they are interchangable. The 003 and 004 seem to be interchangeable and likewise the 009 and 016 are for the 2.2. The difference supposedly is on emissions and the different catalyst setups on different cars. I'm not sure about the 011 but as it's a similar setup to the Vectra I'd be surprised if it wouldn't even run with an 004.

My understanding is that the 003, 004, 009, 011 and 016 are not coded and you should have a separate ECU (which IS coded) in the box behind the battery. This changed in 2002 with the introduction of the (confusingly named) PSG16 pumps which have the engine ECU built into the pump.

I can tell you from bitter experience that these pumps take some cranking over if they haven't been primed!! I'm not familiar with the setup on the 2.0 DTi but the 2.2 has a rubber link pipe with a jubilee clip on the return line above the diesel filter where you can 'suck' the diesel through but ensure that the ignition is switched on as you do this so that the stop soloniod is open and is allowing fuel through the pump.

Aside from the priming issue just check your connections and sensors such as the crank sensor have been reconnected correctly.

Just one final 'observation': your pump code should start 0 470 (not 407). Not nit-picking but it might help you locate the right parts when searching the interweb.

I share your pain having just gone through a pump change myself. Getting consistant advice from anyone about these was the worst part of getting it sorted. If you're anywhere near Reading I can recommend a good diesel specialist.

>Jamie

4

Omega General Help / Re: Location of oil pressure switch on Y22DTH engine

« on: 21 March 2011, 20:44:54 »

Hi Taximan,

It's on the side of the block, underneath the turbo and behind the alternator. Trace the oil feed from the turbo where it screws into the block and the switch is just back from that.

I think that you could replace the switch with a pressure sensor. Some of the 'sporty' vauxhalls have the guage instead and I assume that the oil pressures would be similar (2-4bar). What this would do for the light in the dashboard I'm not sure though. . .

>Jamie

5

Omega General Help / Re: Is this mpg right 2.2 dti

« on: 20 March 2011, 22:12:12 »

It looks like I'm about right then in terms of MPG. My journey to work is a mixture of 'B' roads and dual carriageways and I average 37-39MPG in the DTi.

On a run down the west country I can get the average up (by resetting the BC before I go) to the high 40s if I keep it at around 65mph.

Like a few people who have posted I tried cleaning my Airflow meter and I managed to improve my low down torque but it had little effect on the fuel economy.

>Jamie

6

Omega General Help / Re: Fan belt tensioner

« on: 20 March 2011, 22:33:46 »

Hi Colin,

Sorry if I've 'missed the boat' on this one. I had the same problem as you with my tensioner when I got my car. The belt flapped around like a good 'un. What I found was that if you can compress the tensioner with your hand then it's definately knackered. A new one will be really stiff and you would only be able to compress it with a lever.

I think that it's a common item to be replaced on the DTi. The good news is that it's not too difficult to replace. Whilst you can fit the tensioner without removing the undertray getting the (new) belt back onto a new tensioner is a tough job and levering against the jockey wheel can all too easily damage it. Remove the undertray and use a nice long spanner on the back of the tensioner and it's straightforward enough. It means getting underneath the car but it does make the job much easier.

Good luck with getting it sorted!!

>Jamie

7

Newbie Welcome Area / Re: Newbie from Reading, Berkshire

« on: 05 March 2011, 22:47:52 »

Thanks for the warm welcome everyone.

I must admit that I hadn't read the rules in detail and I absolutely appreciate why it would need to be this way.

I've spent the afternoon extricating the turbo from the car and  even though the engine is shared with other Vauxhalls they decided to use unique parts on the Omega 

This and the fact that the DTi wasn't as popular as the petrol engined variants is making finding the right parts tricky.

Jamie

8

Newbie Welcome Area / Newbie from Reading, Berkshire

« on: 05 March 2011, 21:03:59 »

Hi Everyone!

I've been reading your forum with great interest for some time but I've only just come to register. I'm ashamed to say that one of my first postings is going to be into the 'Wanted' section but I've been a 'Vauxhall man' all of my driving life so hopefully I can give something back.

I've had a few Omega's in my time and was lucky enough to have several as company cars in the late 90s/early 00s.

My job changed recently and now involves me doing a lot more traveling. Fuel prices being what they are I wanted to find a cheap (diesel) car to use for work. Wanting something comfortable for longer trips the Omega 2.2 DTi seemed to be the best compromise.

I bought a cheap one and as expected the car has had more that it's fair share of 'issues' but I'm working through them. Luckily I'm fairly handy with a spanner

I look forward to hearing from you on the forums!

All the best,

Jamie

9

General Car Chat / Re: 3.2 MV6 is an Old Man's Car

« on: 21 March 2011, 00:19:09 »

I wouldn't say that the Omega was an old mans car. I started with an Opel Monza when I was 18 and had the the first of my Omegas as company cars when I was 22. I was covering 90K miles a year at the time and the difference between the Omega and Vectra was as clear as night and day. It was exactly the car I needed at the time and I had three of them in a row after that.

It's not for everyone I'll admit but the Omega simply feels less fatiguing to drive (even my DTi!) than Vauxhall/Opel's front wheel drive replacements. Something I feel that that Vauxhall and Opel lost after 2003.

10

General Car Chat / Re: Omega 2.2 DTI Manual Only - Why?

« on: 06 March 2011, 23:42:33 »

Good points:

I'd forgotten about the cooling issues so yes, there would e a need for additional coolers for the transmission oil.

Something that always struck me was the difference between the fuel economy between the manual and auto 'boxes on the 2.5TD engine. I presume that with similar power and torque characteristics the 2.2 would give similar economy figures with an auto box?

I guess I was hoping for better fuel economy from a 2.2

Like you said VXL V6; is it really worth the effort? As you also said, and you're right the Omega is a not a sporty car.

The 5L40 would give better performance and would be better matched to the diesel engine but would be a lot of extra effort in terms of sourcing the required parts etc.

Can you think of a reason why Opel didn't think that the Automatic shouldn't be offered with the DTi?

11

General Car Chat / Omega 2.2 DTI Manual Only - Why?

« on: 06 March 2011, 21:42:24 »

Hi Everyone,

I've got a question that has been bugging me for some time:

To my knowledge the 2.2 DTi Omega was only ever available with a manual 'box. Even on the continent. Why wasn't it available as an automatic?

The same engine (X/Y22DTH) was available in the Frontera mated to an 'adapted' AR35 (including transfer box).

Now, I know that the DTi isn't exactly the most rapid Omega in the range but it does have plenty of torque. On the face of it something that would have worked well with an auto box?

So, this begs the question; if I wanted an automatic 2.2 DTi Omega. Could I take a torque converter from a Frontera DTi (assuming that it is a different item to the petrol  one) and mate this to a 'standard' AR35 'box. Transfer all of the necessary computers, change the pedal box etc?

Okay, I'm sure that it not as simple as that but as a for instance?

My only thought was that during the gear-shift it would need to induce a split-second pause to allow the change to complete before the power was re-applied. There would need to be communication between the gearbox and engine ECUs for this to happen. They managed this with the Frontera so could this or would it even be feasible in an Omega?

This is purely hypothetical at this stage and it would be a lot of effort to carry out such a conversion so I'm not going to be rushing out to the garage just yet . . . .

. . .  but could it be done?

>Jamie

12

General Car Chat / Re: A Tyre to avoid

« on: 06 March 2011, 22:51:48 »

My Thru'pence worth:

It's very true that you get what you pay for in terms of tyres. The difference between wet and dry can be quite surprising (literally in some cases!) I recall an uncle of mine putting some 'budget' tyres on his Sierra - it was like they were made of Bakelite!!

Reading back through the posts I think I agree with Lazy tinker in that the best tyre for you depends a lot on your driving style as much as what it's fitted to.

I think I've got quite a 'lazy' driving style:

I had Pirelli P-Zeros fitted to a Merc CL500 when I got it and they were shocking. I replaced them with Dunlop SP1s and it felt like a different car. Likewise in two 7-Series BMWs I had Pirellis and Dunlops on them but went for Michelin Pilot HXs and these seemed to suit the car much better. Pure guesswork on my part at the time.

I've got RE050s on the VXR8 (standard fit) at the moment and I can't fault them. The DTi has just been re-shod with SP1s and they seem pretty consistent in the wet.

Can anyone enlighten us as to what the standard fit(s) were on the Omega through it's production?

I had a number as company cars and from what I remember they were Michelin's at the time (Michelin Energy?) I could be (very) wrong though!

>Jamie