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Thread: AF40 differences

  1. #1
    Full Member Aikon58's Avatar
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    Default AF40 differences

    Does anyone know if the AF40 gearboxes are all the same for vectra C's ?
    i'm trying to source one for my cdti and wondered if a petrol AF40 would be the same inside and would fit on my cdti engine.

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    Regular Member Rapala's Avatar
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    I believe that the gearing on the diesel versions will be different from that on the petrol versions since the diesel engine revs red line at 5000rpm and the petrol engine at about 6500 rpm. I may be wrong though.

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    Regular Member danBoy's Avatar
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    They are all different and all have a different ident depending on engine and year.

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    Full Member Aikon58's Avatar
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    Ok ,Thankyou both for your replies,the search for a gearbox continues

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    Regular Member Maverick's Avatar
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    AF40 is the Automatic gearbox, F40 is the manual version.

    All F40 CDTi gearbox's are the same, they just have an ident for build reference as Dan has said, but as stated by Rapala, the petrol and diesel gearbox's have different gear ratios and final drive.

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    Full Member Aikon58's Avatar
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    Thankyou for the explanation Maverick
    I had my eye on an AF40 from a z28 petrol,thinking it may have been the same box,being an AF40,so i will have to forget that idea and look for a cdti AF40 gearbox.

  7. #7
    Regular Member Vectra Meldrew's Avatar
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    can you find one for me too Aikon !
    Been quoted £2200 and £2300=vat for rebuilt ones !

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    Full Member Aikon58's Avatar
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    Quote Originally Posted by Vectra Meldrew View Post
    can you find one for me too Aikon !
    Been quoted £2200 and £2300=vat for rebuilt ones !
    I phoned the dealers today,and i could have bought a recon box from them for £2000 plus the value added tax
    He said it looks like they have no recon boxes in stock at the moment,so they will send a brand new box in replacement,as long as they still don't have any recon boxes at time of order,so i could have had a brand new box for recon price,but me being skint still had to say no

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    Regular Member Vectra Meldrew's Avatar
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    Is your autobox completely dead Aikon? or u just got some problems with it?
    Mine is mostly ok but some issues with changing from 2nd to 3rd when its hot.

  10. #10
    Full Member Aikon58's Avatar
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    I can still drive the car,it just takes about 5 minutes from cold to engage drive,reverse works fine all the time,then once it goes in to drive it works fine and goes through all the gears,and it can be harsh when engaging drive sometimes,but if i park up again,it can take a few seconds to get drive again,and it can be slightly harsh coming back down to fourth from fifth sometimes.
    I've had the fluid changed,and as the old fluid was coming out,the mechanic said,you'll be putting a box in this

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