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1

Omega General Help / Faulty non return valve issue

« on: 11 September 2011, 09:22:47 »

Hi All

I seem to have the same issue as this post

http://www.omegaowners.com/forum/YaBB.pl?num=1307206754

basically my car was sounding like a tractor,  after checking out the exhaust, where there was no problem, I traced the problem to a small rubber joint on the left (as you look at the car) on a pipe from the non return valve. 

ie this part (just for reference, not my sale!) ie the connector on the long end

http://www.ebay.co.uk/itm/OPEL-OMEGA-V6-NON-RETURN-VALVE-GM-90469782-90-469-782-/310276518106?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item483debf0da

Basically I didn't realise there was a problem and I joined the parts with something a bit more manly and drove to work yesterday (the car drove like a dream) but when Igot home the missus (also a petrol head) found the above.

Thankfully I don't think I have done any damage, but I need a simple fix to this until I can buy/repair the valve, but I need to use the car today.  so I don't want to cause any damage buy just jumping in and driving it.

one of the threads above suggests blocking the EGR valves pipe from the exhaust manifold to prevent damage,  does this work (is there a simpler resolve)  I do intend to fit a new valve ASAP, but I need the car for the next three days, and I work shifts so if I can apply a heath robinson fix (bodge) that won't damage the car until I can do the job properly I'll take that option for now.

Any ideas blocking the EGR valves pipe from the manifold looks a pig of a job as the access to it is limited, but needs must, need the car this afternoon, so any help greatfully recieved.

thanks Dave

2

Omega General Help / Re: Elite V6 with lots of Oil in the Header tank.

« on: 23 November 2008, 15:14:17 »

Thanks again for every bodies thoughts and views.  We managed to get the stearing lock off, only for it to lock on again streight away, and after another hour we got it off again, and was able to move it. and you guessed it, it locked on again so much so that I think I'm looking at having to replace that.

To add to my woes, the car battery keep going flat, but that may just be the damn stupid park lights left on again, but it could be a new battery needed as well.  Never rains, but it poors.

After getting the thing started my Stepson said he feels it not a head gasket (being a nearly fully trained mechanic) I'll take his word on that, but getting the job sorted all today was totally out of the question,  so it seems logical to do the job right over doing a bodge, certainly as the car needs an MOT now,  and what seems a new ingnition barrel as well, as it the keys (ie mine and the spare!) are not turning in the barrel and thats causing the problem.

Had we got the cooler done today, we would not have had time to look over the car for the MOT, and you can bet I would have got it to the test centre for the MOT only for the stearing lock to jam again So sadly we have decided to put it to one side for a while and work on it's problems and get it through the MOT as and when we can  the only problem is my stepson work mean he'll now be working right up to Christmas inc Weekends, So this is going to have to wait.  So clearly the better plan of action is to put this to bed for a while, get all new bits, including a new oil cooler and do a proper job over a get me by bodge.  sadly this means I will be with out my beloved car for a few months, and will need to by a cheap runaround for now, but I't not going to be a total lose.

I'll get the battery off it and charged, and cover it for the duration, and put it on a SORN when the Tax runs out at the end of Decemeber.  I know the antifreeze is good, but I'll cover the engine up and the car just incase we get more of the white stuff.

It seems locical to fit a new cooler over introducing the same problem with a secondhand unit that has been sitting in the garage for the better part of five years, and could well fail on fit, again.  I can also start acruing bits ready for when ny stepson has more time, so that when he is ready all the bits are waiting including new ingnition barrel, the cooler, oil, oil filter etc.

Going to hurt not having my Omega for a while, but I'd rather do a proper job as the engine is undamaged, (we hope) over rush and fit a faulty used part and totally screw up the lump.  

Seems logical to do the job right even if thats going to take time,   Also if a buy a reasonable run around, I know his car is on it's last legs, I can inturn give him that as a thanks for his effort, and to get my omega back where it should be faster, therefore we both gain out of the wait,  as I feel I owe him a big one already.

Thanks all,  I'm sure my qestion will come think and fast now.  As I will be putting right all those niggles, as I get chance to as well, while it waits for the new cooler to be fitted.

Dave

3

Omega General Help / Re: Elite V6 with lots of Oil in the Header tank.

« on: 23 November 2008, 09:38:05 »

Thanks for your input guys. I've filled in my profile. (Wish I had found this site before, as I've already seen solutions I have to other niggles on my car.

Yesterday I was gutted I really thought this was the end for mine, but this has given me new hope.  I have still to get the stearing lock off yet.  I presume the way forward is to change the cooler (and Oil)  then just keep fushing till it comes clear?

There is a lot of gunk in mine so any recomendations on clearing this stuff out quickly.  

Thanks again, I will do a intro as soon as I have time but as soon as it stops raining, I need to get on to this and try to get it resolved before friday (I need a car then, if possable) but we will see how we go.

Now all I have to do is:

the oil cooler
the stearing lock
and get it through an MOT!!!

Thanks for all your help guys

Dave

4

Omega General Help / Elite V6 with lots of Oil in the Header tank.

« on: 23 November 2008, 01:10:24 »

Appoligies for just jumping it with out introducing myself, but I have a problem that put a real downer on my weekend.

MOT ran out Thursday, been having lots of trouble including lossing water to which no solution could be found for a while, I had to use the car for work, so in that time I filled the Header tank up, my work is 12 miles away I never alowed it to over heat, and it never over heated, temp never got above 85 degrees, never seemed to lose more than less than half a litre of water ie coolent warning normally only just came on just as I got to work

problem was traced to the what was though was the three way valve at the back of the lump, thank fully my Stepson is a great little mechanic, and has regular battles with this car and as he replaced the valve I noticed it was still dripping and so the pipe was replaced, as well, this was about two weeks ago now so I know the water was pretty clean then, and no signs of oil. never had another water warning come up

Today I open up the header tank after a trip to halford for antifreeze for the wifes car and mine.  I removed the header cap to find it quite empty, so I thought, I'd just fill it up with antifreeze, run the engine for a while then drain it a little and top it up some more.

On adding the antifreeze streight in to the tank, I was not greeted with water over flowing but to my horror a brown coffee like substance thick and cream like with a smell of oil to it.  I flushed what I could out but it still there.  I know it doesn't take a lot of oil to do this (ie a little oil makes a lot of mayo) but there seems to be an awful lot for a head gasket leak, and I'm hoping and praying it's not that!!!!

Some history on the car, it's now done 139K (chassis) engine was a vaxuhall replacement unit when the last one dropped a con rod at 71k she had a cam belt change 1 year ago, just after 65K on the new unit,  and she is LPG converted (an must on these, save a fortune in petrol, and runs like a dream on it)  I have no signs of mayo at all on the oil filler cap, and the oil looks okay (but I think that need changing and it was going to get one of those soon anyway!

To add to my woes, my steering lock has stuck on today! ARGH, so I've now got to free that before I can even move or start the car, thankfully at least I got antifreeze in and run it round before tonights big freeze (if it happens) before it stuck on!

Any idea,  Oil cooler or Head Gasket  As you can imaging I've had a bag on all day thinking I was going to have to scrap this as I know the gaskets are a bit beyond my boy, but I love my Omega and don't want to give it up with out a fight.

Lastly I understand the Oil cooler sits between the cylinder, thes being the case, I still have the old engine in the garage (yep the one that dropped a rod, so would you risk fitting that cooler over buying a new one if it is the cooler that seem to be at fault, money's a bit tight for all, me included, but if it is 80% or better % chance of it being the cooler, i'll give it a go, but is it worth the £100 over using an old spare I may have.

How can you tell the cooler has failed upon examination?

Thank in advance for any help.

Dave