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[Astra Mk4/G] [98-04] Automatic Gearbox Problem - Help!

Discussion in 'Astra, Corsa, Zafira, Meriva, Adam, Agila, Tigra & Nova [Includes AstraVan & ComboVan] owners forum' started by Kerry Smithy, Feb 28, 2011.

  1. Kerry Smithy

    Kerry Smithy New Member

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    Location:
    Worcestershire
    If any can help, I would be sooooooo grateful.

    I have recently bought an Astra 1.6 Automatic with 68k genuine miles, which drove superb on test drive - no problems....

    After a couple of days I noticed that when putting into Drive, the car pulled away in 4th gear, although gearbox worked fine if manually used, ie. 1, 2, 3. Took car to a mechanic who informed me of the fault P0705. I took car to Automatic gearbox specialist, very nice man, had it over a week, changed selector (range sensor switch), checked solenoids and said that the gearbox itself is physically fine. After reading various threads, I have checked gearbox oil, which doesn't smell of burnt, and is brown in colour but not thick.

    At present the car is driveable, if after starting, you put it into neutral, turn car off and on again, the drives as it should, i.e. starts in 1st and goes up and down gearbox fine, until car is turned off again....

    ANYBODY CLEVER ENOUGH TO SORT THIS?.....
     
  2. krowlands

    krowlands Active Member

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    Location:
    Ironbridge
    Hmm. All I can see for that is "range sensor". Never done one on a 'G, but have done them on Corsa B, and 2x Astra F. Mind you, you say the guy replaced it..

    I'd still say it's the selector switch or it's connectors. This fits with the "drives fine in manual shift" (as in the 'box is OK), and the "if you move the selector and restart the car it'll be OK" - my F used to do it, and if I turned it off and slapped the selector from Park to 1 and back a few times, it behaved.

    It wasn't hard to do on the F...without looking at my G, I couldn't say how hard it'd be. I doubt it'd be too bad. I removed mine, opened it up, cleaned it out and regreased/refitted it. Worked brilliantly for 3 years until some *** wrote the car off.

    I have a guide to the one on the F, if it's of use..

    http://sirbendy.co.uk/car-projects/vauxhall-automatics/fixing-the-vauxhall-flashing-s-of-doom/

    there you go. Given that the F used an AF13 'box, and the G uses an AF13/II (AF17), I can't see it being much changed.
     
  3. SHUAIB

    SHUAIB New Member

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    Drives:
    ASTRA F
    Hi, i have a 1993 opel astra F automatic, and 2 months now, the sports light remains flashing and the car takes of in third gear. it does selects 1-2 and 3 manually when i drive. i did open up the selector switch and clean all the contacts and filled it up with silicone grease, but the car is still in limp mode. i tried another second hand selector switch, and still the same happens. The car was sent to a gearbox specialist and confirmed by the error codes that its the selector switch and they tried another, with still the same problem. ive got the car back home, and am at wits end trying to find the fault. Should i replace the gearbox or am I missing something. Im just afraid that if i replace the gearbox and it still doesnt fix the problem. Any information is appreciated
     
  4. terry203

    terry203 Member

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    Location:
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    I'm having the same problem getting a pain now might have to get rid?
     
  5. fronteratech

    fronteratech VXON Resident 4x4 and diesel specialist

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    Location:
    manchester gt manchester
    Drives:
    Frontera
    first fix is to get oil changed popular on them

    have a look through this site

    www.geartorque.co.uk
     
  6. chies

    chies New Member

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    Drives:
    96 Opel Astra
    First check the fuse box fuse no.20. Its also the fuse for the cigarette lighter
     
  7. chies

    chies New Member

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    Drives:
    96 Opel Astra
    My car is suck in 3rd/4th n doesnt change even if i change manually
    Any ideas on whats wrong?
     
  8. GaryBC

    GaryBC Member

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    Location:
    Egham, Surrey, UK
    I've got a gearbox problem but it doesn't sound the same. Mine....
    • Waits for several seconds between selecting "D" and drive engaging (seems ok when going into reverse)
    • Sometimes selects 'Drive' quite brutally
    • Sometimes holds a middle gear (2nd, I think) for ages before changing up
    • Sometimes goes into 'limp' mode (restarting the engine - a 'reboot'! - clears the 'limp' mode back to normal)
    No noises or other 'mechanical' symptoms are evident.
    This condition happened overnight. One day all was ok, the next day all the above started. So it's not a gradual wearing out of some mechanical part, it's a control (ie electric/electronic) problem I'm sure.

    It's a 2000(W) 1.8CDX with c80k on the clock.
     
  9. delboy

    delboy Well-Known Member

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    Location:
    Milton Keynes
    Drives:
    Corsa D 1.4 design auto
    I did this stripping down of the selector once and it worked quite well, but still every so often the light would flash though. From reading this I think a lot of people are trying second hand switches and getting the same results. Another second hand switch is likely to be as old and as worn as your original one. The blades in the selector switch can be quite worn and you need to take the copper blades out carefully and the springs and give them a thorough clean and make sure they move up and down okay. Sometimes swapping them about might help get a better contact. Also the silicone grease must be the non conductive type. When I made enquiries a new selector switch is around the £300 mark.
    The switch also has room for adjustment on it's mountings if necessary.
     
    Fred Bassett likes this.
  10. JohnT

    JohnT Member

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    Location:
    Cheshire
    If the fluid is brown it is because the submersed bands and friction clutches in the auto box are burnt which is bad news I am afraid. Gearbox rebuild, so do not bother in having the fluid changed it is a waste of money and time. Most current auto boxes protect themselves by going in to safe mode which is usually in third gear to get you home. It needs diagnostics doing by a knowledgeable technician. My comment is based on auto boxes in general and may be not appropriate to the technicals of your Zafira box.
     

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