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[Marks DTM Calib]

 few pics wihich might help

Location


In bits


And bits that need to be aligned when re-fitting!

[TheBoy]

I tend to downshift in the auto if I'm 'spirited' as anything to help the brakes - esp across Milton Keynes , but also to ensure a good exit gear.

I do not do it for fuel economy... ...in fact, I don't ever really do anything for fuel economy

[Warez]

So is the switch itself actually servicible?

[valterferraz]

I'm have quite the same problem with my Suprema (Omega A Caravan/Estate).

Check if your transmission is the 4L30E. It's quite faulty, but not bad to fix. Buy a rebuilding kit, change seals, clean stuff, look at clogged filter, check/clean valves.. and so. I'm about to do this in mine, i found some bare material to start with. :-/ :-/ :-/ :-/

Good news. Rarely it gets FUBAR'ed... But it's not very easy to fix yourself/find affordable good professional (at least where i live).  

Check the internet for this trans. It's used in a large variety of vehicles/makers, such as Opel/Vauxhall (duh!), GM trucks, Isuzu, BMW, Suzuki, Toyota, Bimmer and some others.

HTH! :-?

[Andy B]

I'm have quite the same problem with my Suprema (Omega A Caravan/Estate).

Check if your transmission is the 4L30E.  ........  

We should be so lucky .... I assume you're on main land Europe somewhere because the UK never had the option of a 4.0 litre Omega A/Carlton. This forum is predomanantly V6 Omega B based.
Are you a member of Autobahnstomers? There's a lot of straight 6 knowledege there ...... aswell as Omegaforum members      

[Pitchfork]

I'm have quite the same problem with my Suprema (Omega A Caravan/Estate).

Check if your transmission is the 4L30E.  ........  

We should be so lucky .... I assume you're on main land Europe somewhere because the UK never had the option of a 4.0 litre Omega A/Carlton. This forum is predomanantly V6 Omega B based.
Are you a member of Autobahnstomers? There's a lot of straight 6 knowledege there ...... aswell as Omegaforum members      

And some of us drive Traktors!!

[valterferraz]

I'm have quite the same problem with my Suprema (Omega A Caravan/Estate).

Check if your transmission is the 4L30E.  ........  

We should be so lucky .... I assume you're on main land Europe somewhere because the UK never had the option of a 4.0 litre Omega A/Carlton. This forum is predomanantly V6 Omega B based.
Are you a member of Autobahnstomers? There's a lot of straight 6 knowledege there ...... aswell as Omegaforum members      

Uh-oh... No bud... I don't mean four liter engine... the "4L" means, for the trans maker "4-speed in line", like "3L" is the code for 3-speed. Check the GM parts (do a search fo "4L30E transmission" in google).

My very own car has a 3.0 line engine. It's the Opel engine. Here in Brazil, we also had a 4.1 Liter engine, for about 3 or 4 years, from a car named "GM Opala" (portuguese word for "Opal" -> said to be a cross of Opel + Impala - american car). This engine came from a truck line named "C-60/70" (12 tons I think), and equipped the pick-up trucks until these days, when such pickups came with diesels, then they ceased production.

 It's a monster engine, very powerful at low rpm and it used to blow many of the 4L30E gear boxes, because of the torque... It was a carb-ed engine and the guys at lotus made the adjusts for (motronic?) mpfi. Check this:
opala engine: 6cyl, 4.1L ->http://img230.imageshack.us/img230/4329/motor6cc2zx7.jpg

my car looks like this: http://djjaragua.vilabol.uol.com.br/suprema.jpg

omega engine: 6cyl, 4.1L -> http://img253.imageshack.us/img253/8283/sudatsrn8.jpg

this was the last opala made: http://djjaragua.vilabol.uol.com.br/opaladiplomata.jpg

Great car the opala... I have a opala caravan 1982, 2.5L 4-cyl, carb, 5speed. Good car... cheap to keep, simple mechanics, cost 10x less than omega to keep running...

back to the topic...
The transmission was also used in BMW, which went up to about 2.5liter -6cyl engines and 350Nmax... to the american market, it's a common transmission there, you can buy kits quite inexpensively to rebuild such trains.

Whoa! Hope this lights, rather than mess your brains!

[valterferraz]

Hey, no need to go too far... I found this "laying" around...
http://www.omegaowners.com/forum/YaBB.pl?num=1183545930

[Marks DTM Calib]

Hey, no need to go too far... I found this "laying" around...
http://www.omegaowners.com/forum/YaBB.pl?num=1183545930

I wonder who could of put that there  

[gwa]

I have a 51 plate omega 2.6 v6 CDX auto.
Last night all the gear slector lights came on when I down shifted from 'D' down to 3, 2 to slow down approaching a junction.
The lights went off after a while and the car drove home fine.

Gearbox sounds fine, engine too?

The next morning I started the car, all the gear selector lights came on, the 'TC' light remained on and could not be turned off manually, and the car crawled when I selected 'D'. I stopped the car, turned off then on again and selected 'D'. This time only the light for 'D' was on (as I had selected 'D') and the car pulled away just fine?

I left the car in 'D' the entire 8 mile journey to work with no problems at all. However, when I got back in the car after work and started up again all selector light came on again. I had to turn off the car again and restart until only the light for 'D' was on when selected.

Again, the car drove home without any problems?

Please can anyone give me some assistance. I have read some where here that it could be as simple as a 'switch' that might need cleaning, or perhaps replaced?

Can anyone help me out?

Thanks,

Kent.

Do a Search for selector switch and it'll bring up everything you need.

[Andy B]

.....
Uh-oh... No bud... I don't mean four liter engine... the "4L" means, for the trans maker "4-speed in line", like "3L" is the code for 3-speed. Check the GM parts (do a search fo "4L30E transmission" in google)...... ...

Ah! Maybe I should read the posts properly!    

[valterferraz]

don't tell anyone.. i was thinking this gearbox had some critter inside.. no clue about numbers, letters and not even thought that it is not that hard do fix... that is. not easy, but if you can read the instructions...

my car wasn't idling... i never knew before what a idle sensor did, what was, WHICH thing under the hood was it (i never knew there was such a thing... in carb you adjust 2 screws and you're done). I took take thing off, cleaned, then MAGIC! the car is no more crazy... and idles like a clock...

looks like the guys put these ugly names and myths around cars in order to keep you away from under the car... and buy a new one next year, after everything starts to melt and you don't have a clue from where to start (and your mechanic doesn't help either)...

Funny (or not): in portuguese the word for "tinker" is "mexer", it has the sound of "mesh" + "er" > The word for "mechanic" is "mecanico".
When you want to say a guy a "tinker of a mechanic", one who can't find a seed in a watermelon, we call them "mechanicos" (meshaneecos). The best tool for finding "mechanicos" here is a broken Omega... They will reveal themselves too soon!