Omega Owners Forum - 4th gear in auto

doug4293 Intermediate Member Offline Posts: 264 greenock, scotland Gender: Drives: 3.0 v6 24v elite, 2.0 16v corsa, 1.9dturbo 306, gsxr600	4th gear in auto 11. Jan 2011 at 02:11 hi all, as some of you may know had the car since june, but just got it on the road at the weekend, i have noticed when driving, when up to 30 mph it sits at 2000 rpm i presume in 3rrd, till i take my foot off the accelerator and then put it back on then goes into 4th and sits at 1500rpm, is this normal ??
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Auto Addict Administrator Offline OOF's Elder Statesman Posts: 10091 North Birmingham Gender: Drives: 2.6 CDX	Re: 4th gear in auto Reply #1 - 11. Jan 2011 at 07:21 It may benefit from a gearbox software upgrade.
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Andy B Over Active Poster Offline Posts: 21988 Bury Lancs Gender: Drives: 1999 3.0 Elite auto/TDM	Re: 4th gear in auto Reply #2 - 11. Jan 2011 at 08:59 The software upgrade is always a plus, but don't expect an auto to go into top at 30mph .... probably more like 45/50 before it's locked up in 4th
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Malcolm_D Intermediate Member Offline It shines! Posts: 299 York Gender: Drives: 02 2.6 V6 Elite, Volvo S80 & a pedal bike	Re: 4th gear in auto Reply #3 - 11. Jan 2011 at 13:09 What is this software upgrade, do I need it and how do I get it? Both of mine are autos, 98 2.5 and 02 2.6
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Kevin Wood Global Moderator Admin Team Offline Posts: 20377 Alton, Hampshire Gender: Drives: 3.2 MV6 (LPG), Westfield	Re: 4th gear in auto Reply #4 - 11. Jan 2011 at 14:19 Malcolm_D wrote on 11. Jan 2011 at 13:09: What is this software upgrade, do I need it and how do I get it? Both of mine are autos, 98 2.5 and 02 2.6 The firmware that controls the automatic gearbox can be upgraded using a Tech 2, and most people agree it makes a worthwhile improvement to the quality of gearshift. Kevin
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Grrrrrr Junior Member Offline Posts: 236 Buckinghamshire Gender: Drives: Blue shift (blue coming at you; green heading away) - 2.6 V6 petrol CDX automatic (2001) - as seen on TV!	Re: 4th gear in auto Reply #5 - 11. Jan 2011 at 21:26 I've got an 01 2.6 and it made a big difference when the TheBoy did mine for me. Definitely recommend it. Much smoother gear change and changed more like I would do than coming out the blue at me all the time.
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doug4293 Intermediate Member Offline Posts: 264 greenock, scotland Gender: Drives: 3.0 v6 24v elite, 2.0 16v corsa, 1.9dturbo 306, gsxr600	Re: 4th gear in auto Reply #6 - 12. Jan 2011 at 05:33 the change on the car is very smooth,was just the 3rd gear at 30mph that bothered me, i mast say that my car is a 1996, where and how much is this software upgrade available from, and how reliable is it, i am in the west coast of scotland 30 miles from glasgow
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Kevin Wood

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Posts: 20377
Alton, Hampshire
Gender: male

Drives: 3.2 MV6 (LPG), Westfield

Re: 4th gear in auto
Reply #7 - 12. Jan 2011 at 11:42

Hotel21 in Fife is the nearest member with a Tech 2 who can do the update. It's a proper field update issued by Vauxhall so nothing unreliable about it. I've never heard of one fail.

Bear in mind that what you describe doesn't sound abnormal to me. Also, whilst the gearbox might well use 4th gear as low as 30 MPH (I can't remember when mine does off the top of my head) the most noticeable change at low speeds is where it locks up the torque converter at 40-45 MPH. It can be in 4th or 3rd at this point depending on load but the TC lockup "feels" like an additional gearchange and causes quite a significant rev drop when engine speeds are low.

The gearbox update is still worthwhile if you're on the earlier version, as it does make the gearbox smoother and more responsive, and reduces the tendency to "hunt" between gears IME.

Kevin

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Tech2 services currently available. See TheBoy's price list: http://theboy.omegaowners.com/

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Andy B Over Active Poster Offline Posts: 21988 Bury Lancs Gender: Drives: 1999 3.0 Elite auto/TDM	Re: 4th gear in auto Reply #8 - 12. Jan 2011 at 11:46 can you programme a 96 car? I thought it was mini-facelift onwards?
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Jimbob Global Moderator Admin Team Offline Third nipple removal completed succesfuly Posts: 20462 Chester / Flintshire Gender: Drives: 52 3.2 MV6 Estate & 98 3.0 MV6 Manual Estate	Re: 4th gear in auto Reply #9 - 12. Jan 2011 at 11:48 Andy B wrote on 12. Jan 2011 at 11:46: can you programme a 96 car? I thought it was mini-facelift onwards? there are several people interested in this thread....getting confusing. Yes, normally 98 onwards (last LETTER in the VIN is a W or later) So the OP is out of luck, but Malcom_D is in luck, and his nearest is Nottingham
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Jimbob Global Moderator Admin Team Offline Third nipple removal completed succesfuly Posts: 20462 Chester / Flintshire Gender: Drives: 52 3.2 MV6 Estate & 98 3.0 MV6 Manual Estate	Re: 4th gear in auto Reply #10 - 12. Jan 2011 at 11:51 some previous experiences are detailed here : http://www.omegaowners.com/forum/YaBB.pl?num=1265029420
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