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1

Omega General Help / Re: Is something draining my battery?

« on: 27 May 2008, 19:45:38 »

 Can't a partly broken wire "earth" away the battery's charge? If there is a small current (like the alarm or the clock) and one of the broken bits touches metal?

Maybe you have a partly broken wire?? (just thinking out loud  )

2

Omega General Help / Re: new oil cooler old muck

« on: 27 May 2008, 19:49:12 »

I've been flushing since March, and I still get som gunk:(

3

Omega General Help / Re: buying omega 2.0gls

« on: 27 May 2008, 14:05:44 »

Ops, didn't notice

4

Omega General Help / Re: buying omega 2.0gls

« on: 27 May 2008, 13:47:41 »

I would think it's the valve lifters that is causing the ticking. How does the engine run? How much oil is in (check dipstick)?

5

Omega General Help / Re: Flood!!

« on: 26 May 2008, 15:01:26 »

I am wondering if there isn't a drain there somewhere, that can have clogged up

6

Omega General Help / Re: Head gasket failed.. But sludge in the inlet?

« on: 25 May 2008, 20:20:57 »

I'm crossing my fingers 8-)

What are the symptoms, since you think HG failure?

7

Omega General Help / Re: Head gasket failed.. But sludge in the inlet?

« on: 25 May 2008, 19:58:57 »

If it looks like mayonaise, I think that's normal. I have read here about other people wondering about the same thing, and if I remember correctly it has to do with if the car goes for alot of short runs. Someone here will know more about this then me, and can say if I am correct. I have also read here that HG failure is very rare on Omegas.

I would also think if the breathers are almost clogged, this would be the reason for the cars struggle to start.

Hope it helps

8

Omega General Help / Re: Help Please  2.0L firing order

« on: 26 May 2008, 14:38:55 »

What order do you have now, when it's misfiring?

9

Omega General Help / Re: Help needed!!

« on: 26 May 2008, 14:35:46 »

When you changed the timingbelt, was all the sprockets aligned with their marks? Sounds like the timing is incorrect.

I did the same once, just a few teeth wrong, and it would't start.

10

Omega General Help / Re: Coolant circulation

« on: 25 May 2008, 19:12:37 »

Today was the first time I could drive the car home since december, the car has been at my parents house (they have a garage, and garden hose) and there was no problems whatsoever:) When I drove on the freeway the air through the grille sufficently cooled the engine down, and when the temperatur went over 90 C, I turned on the A/C and the temp went down again 8-)

So, PROGRESS!!

But, when the car is hot, and I turn it off, it won't start till is cold again.. Sounds like the battery is flat when I try to start again, but I have measure the battery, and it isn't flat?

And, when measuring ohms (resistance), what should the reader show? (I am thinking of the thermo- swiches)

11

Omega General Help / Re: Coolant circulation

« on: 24 May 2008, 11:52:59 »

The boy wrote:
To prove its fan switch (which often fails after getting oil/coolant mix), unplug it and short the loom out with paperclip. If fans come on, then your issue is faulty switch, or the switch isn't getting hot enough.
I have tried to short the look, and the fan came on:)

I just read in my Haynes manual, the fan I was talking about earlier, is attached to the condenser

So, when I turn the A/C on (push the button in the car) the condenser fan and the radiator fan starts. Are both supposed to start?
Sorry if I'm nagging, just tired of this problem and don't want to missunderstand

Also (in my head), when the car is almost overheating, and I turn the rad fan on (via the A/C) and the car cools down, that means that there is som circulation. Since the the cooling happens in the radiator, and the temp sender unit is mounted before the radiator (meaning the cooled coolant needs to go through the whole engine to get to the temp sender). Does that seem right? Or am I way off??

12

Omega General Help / Re: Coolant circulation

« on: 23 May 2008, 22:39:07 »

Thanks! I will try taking it off and use a multimeter. What is Ohms?? And do you know when the switch is supposed to trigger?

13

Omega General Help / Re: Coolant circulation

« on: 23 May 2008, 22:18:23 »

So both fans are supposed to start? Just to clarify : The radiator fan hangs on the radiator (between the radiator and the engine), on the other side of the radiator (between grill and radiator) sits what looks like another radiator (is that the heater exchange?), and on the outside of that again (between grille and rad no.2) sits the other fan (what I call the A/C fan).

Both those fans are supposed to start?

I will check the thermo- switches:) Is there any way of testing them? Dipping them in boiling water maybe, and see if the fan goes on?

14

Omega General Help / Re: Coolant circulation

« on: 23 May 2008, 21:35:24 »

Well, my fantastically long thread is back I had the car at one garage, waited 2 weeks so they could look at it, when they finally did, the recommended another garage that had more experience with Opel, so then I waited another 2 weeks for THEM to look at it. They changed the rad thermo- switches, and said that now there is some circ. but not enough. That the fan didn't cut in till about 100 Celsius. I took the car out of there (right after they ripped my arm of for payment),  and found out: still no circulation, and the fan DIDN'T cut in.

Now I have resumed degreasing and flushing, and it seems that there's still (after already 10 ltr of degreaser) alot of gunk in the system.

And then I noticed today, when the car was running, I tried turning on the A/C and suddenly the rad fan came on with the A/C fan, and the car cooled down!! When I turned of the A/C the rad fan stopped too, and when I turned it on again the rad fan came on again!??! It cooled the car down to 70 Celsius (then I turned the A/C off).

When I turn on the A/C (push the A/C button in the car) are both fans supposed to start?? I thought it was only the A/C fan behind the front/grill that was supposed to start, to cope with the extra heat?? Or have garage no. 2 done a wrong turn with the wiring??

At least I am happy now 8-)

15

Omega General Help / Re: Coolant circulation

« on: 27 March 2008, 08:17:06 »

The new engine (from a Vectra) is identical to the old Omega engine I  had. Only had to change sump, block brackets and inlet manifold. The new engine was complete with cylinder head fitted (I asked so I wouldn't need new head gasket and cyl. bolts:) ). The water exits from the cyllinder head through a coolant bridge (think it's called that), and on the coolant bridge the thermostat is fitted. Then now in easter times I decided to change Headgasket (just so I could rule that out), in addition I fitted my old cylinder head (since I new it worked properly). The HG is the right way ut It's printed on the gasket witch way's up:) (and I tripple checked too ), and I cleaned the block water channels and the new cylinder head since I was down there.

The waterpump is driven by the timing belt (cambelt), and I compared the waterpump already fitted to the new engine with the pump from the old Omega engine.

I haven't tried bypassing the heater circuit, so I'll try that, and see want happens. I'll try just about anything, cause I don't know what else to try:)

witch is the coolant transfer pipe? and with the coolant bridge, if I disconnect the retur hose (one that goes from CB to inlet man. and then continues to eks. tank) hot water comes out. It's fitted right before the thermostat.