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1

Omega General Help / Water next to the spark plug

« on: 07 December 2025, 11:00:35 »

Hi guys,
yesterday i changed the sparkplugs, and one has water nex to it:



1-3-5 was dry, 5 was a little bit oily.
2 has the water, 4 was dry, 6 was oily.
The oil is coming under the valve cover gasket, but where the water coming from? Before i changed i dont used the car for 4 days, it was in the garage.

thanks guys

2

Omega General Help / Cable through the firewall

« on: 02 October 2025, 13:42:45 »

Hi guys,

I have a little project, to which i need to lead a cable through the firewall. Is there any existing hole what i can use? V6 engine bay. It's just a simple 12v cable, what i want to switch from the drivers seat.

3

Omega General Help / V6 camshaft sensor

« on: 15 September 2025, 23:03:55 »

hi guys,
car made a big crack sound when staring, and since then the little car icon with the wrench is on, so the lump mode too (error code 340= camshaft sensor), and its limiting the engine to 4000 rpm
i cant find V6 camshaft sensor guide,  so where should i looking for it?  2.6 V6

4

Omega General Help / Leather bucket seat

« on: 02 September 2025, 23:04:49 »

Hi guys,

can i replace (replace = plug and play) my standard electric leather seat, for a bucket one?



thats the only picure i have yet.
it is fully electric? the seller says its only goes up and down electrically.

5

Omega General Help / How can i remove the sideskirt?

« on: 11 July 2025, 12:35:02 »

Hi guys,
i would like to repair the rust patch around the rear wheel.
how can i remove the sideskirt, and the rubber line? there are 2 rivet like thing.

6

Omega General Help / Can you identify this transmisson?

« on: 07 July 2025, 18:43:45 »

Hi guys,
I found this transmission on facebook, the guy said its from 3.0 V6.
Can you help me with the identification?











Is this an R30 transmission? https://www.opel-infos.de/technik/getriebe/r5.html says: also on the R30 it says "R25-R28"

7

Omega General Help / Is it okay to have a hole in the transmission?

« on: 15 June 2025, 19:58:43 »

yeah is oily a little bit. that hole is normal?

8

Omega General Help / Serpentine belt guide

« on: 14 May 2025, 11:19:56 »

Hi guys,
Is there a serpentine belt change guide? I didnt find any.
Thanks

9

Omega General Help / Bonnet latch dont close fully

« on: 04 May 2025, 20:42:28 »

Hi guys,
i accidentaly closed the bonnet to my phone around the bonnet latch. ive been able to open it, but since then, the bonnet dont close fully
here some video about it
https://www.youtube.com/shorts/zfbuJzVHt3M
what is the problem?

10

Omega General Help / Vacuum to HBV

« on: 03 May 2025, 22:15:42 »

Hi guys,
i have an Omega B2 2.6 V6 elegance, with some issue. So, when i bought a car in 2023 i asked my mechanic to replace the cooler matrix, he did it, everyone is happy. The AC was bad (no gas), so when the temperature is rised around 30°c it was awful to drive long trips because of the heat. But then i noticed something: the whole dashboard is getting hot, and its radiating the heat into the air, and there is a gap next to the accelerator pedal where hot air blowing to my feet. So then, i asked about it, in the hungarian forums and some people told me, maybe my mechanic forget to put some gasket in place, so the heat of the heater matrix can leak into the cabin. Now the AC is ok, its blowing cool air from the vents, but the heat is still the problem.
I read about the HBV what is control the hot coolant to go to the heater matrix or not. If i understand, the coolant always going into the heater matrix, only not, if the ac not in eco mode, and the temp is set to low. Then the climate control opens some vacuum valve and the HBV close, and there is no more coolant flow to the matrix. IN THEORY...
I changed the HBV... I dont know much about vacuum systems. Where can i "steal" some vacuum to shut the HBV?I find this picture about Y26SE vacuum system

but i dont sure where can i cut the line, put a T in it, and test the HBV, and this theory of mine... (sry for bad english solutions  )

11

Omega General Help / Which oil for V6?

« on: 24 February 2025, 13:36:46 »

Hi guys,

when i dont use the car for 1 or 2 days when i start it, i hear some lifter clicking for around 1 sec, and the lifters go silent.
I always used 10w40 semi-synthetic mobil1 oil. The hungarian omega group said, 5w30 is better for it, maybe prevents clicking too. Should i change?

12

Omega Gallery / Passed hungarian "mot"

« on: 06 February 2025, 21:38:55 »

The car passed the "mot", so it get 2 more years on the road

13

Omega General Help / V6 Exhaust

« on: 11 November 2024, 22:17:23 »

Hi guys,
is all V6 exhaust are the same? i search for middle silencer for my 2.6 v6 and i found a cheap one but the website say its compatible with 2.5 v6 and 3.0 v6. can i use this for my 2.6 v6?

14

Omega General Help / Bonnet latch loose

« on: 07 October 2024, 16:40:53 »

Hi guys,
my bonnet latch very loose, feels like it wont open the bonnet, but it does the last few mm when you pull the lever. how can i fix this?

15

Car Parts, bits For Sale & Wanted / WTD - factory smoked inner taillights for facelift sedan

« on: 04 September 2024, 14:59:57 »

hi guys.
i bought smoked taillights for my facelift sedan, but one of the 'inner' lamp is broken.

https://cdn.rios.hu/dl/upc/2024-09/04/451739_b3tisr1ugwhsddkc_457619538_1602175670509760_6685876960546851925_n.jpg

so i need 1 pair inner taillights for sedan facelift, the factory smoked ones.

https://cdn.rios.hu/dl/upc/2024-09/04/451739_ydqot5xlj6gc2n3o_457550858_1510871542873926_6626601643139492631_n.jpg

i live in hungary so the package sending maybe will be a hedache...