Identifying 604 Auto boxes
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  1. #1
    Fellow Frogger! Jason Morris's Avatar
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    Identifying 604 Auto boxes

    Here's one for the 604 gurus...

    Are there any easy distinguishing features externally between the GM/timatic and ZF boxes ?
    I've asked the owner of a 604 I'm thinking of buying for the engine & box to have a look, but he reckons he can't see any name plates. (My ZF 4 sp has a visible plate etc). I might have to go and have a look, hope fully it's a ZF.

    I'm wanting to take it to bits and see how easy it would be to adapt the bell housing from the 3HP22 to a 4HP22. It might be a better route than making a 'traditional' adaptor plate. There are lots of identical dimensions between the two boxes - input shaft seals etc. Luckily I have a dead/diamantled 4HP22 to play with - makes it a risk-free exercise!!

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  2. #2
    Gone Fishin' Ray Bell's Avatar
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    I thought all 604s had the GM Strasbourg box... however, it's probably easy to identify.

    Things like dipstick location, linkages etc aren't hard to find. And I know the GM box has a small plastic control box fitted on the linkage shaft (ie. the shaft that goes into the side of the box) that is the inhibitor switch and has the wiring connected to it for that purpose. A black sort of 'rounded triangular' box, from memory, flat and sitting vertically on that shaft, with maybe one small bolt locating it on the side of the box housing.

    Another clue might be in the speedo drives, but I don't know enough to say so...

  3. #3
    1000+ Posts Pugnut403's Avatar
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    604 Diesel had a ZF, according to the factory workshop manual.
    Does anyone know later ZF boxes, particularly the 4 speed, will fot a 604? Are they expensive?
    Pugs Rule!

    403, now sold
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  4. #4
    1000+ Posts Pug_405_Mi16's Avatar
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    And....

    The GM Box has 'GM' stamped on the side !!

    Cheers

    Ben!
    1989 Peugeot 405 Mi16
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    1973 Peugeot 504 GL





  5. #5
    Gone Fishin' Ray Bell's Avatar
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    Ben... is it stamped on or on an aluminium plate?

    And on what part of the box?

  6. #6
    1000+ Posts Pug_405_Mi16's Avatar
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    Ray,

    It's stamped on the side of the box, in a little GM style square...

    From memory it's on the same side as where the linkage connects...but dont quote me on that!

    All I remember for sure is it's stamped on the side of the box, about in the middle of one of the sides !

    Cheers

    Ben
    1989 Peugeot 405 Mi16
    1990 Peugeot 505 GTD Turbo Wagon
    2000 Peugeot 306 XSI
    1973 Peugeot 504 GL





  7. #7
    Gone Fishin' Ray Bell's Avatar
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    I seem to recall largeish letters raised on the casting on a square that's standing out from the side of the box... is that right?

  8. #8
    Fellow Frogger! Jason Morris's Avatar
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    Thanks guys, I'll go for a drive and check it out. I know what'll happen - I'll just get the V6 in there and petrol prices will double after the war !

  9. #9
    Gone Fishin' Ray Bell's Avatar
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    Don't you have an economical advantage in converting to LPG on the Shaky Isles?

    Well, if not, you can always do what the smarter Kiwis have always done... emigrate to Australia.

  10. #10
    Fellow Frogger! Jason Morris's Avatar
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    We had the option of both 'CNG' (compressed natural gas) and LPG starting in the 80's. There was a big government subsidy for conversions, and CNG was very prolific for 10 years or so. By the mid-90's most service stations were disenchanted with the high maintenance cost of providing CNG (on-site compressors etc) and currently here in Wellington (capital) there is only one station left with it I think. Another factor was the poor quality of conversions - most people's inpression of CNG was : hard to start and utterly gutless. Relative cost to petrol was about 43c/l CNG, 65c/l LPG, 95 c/l petrol. LPG was popular for larger cars (foulcans etc) and quite a few 504's were done too. LPG has lasted the distance as a dual fuel here.

    As an aside, some guys at work (CSIRO equiv) in the alternative fuels department reckoned they could get something like 130hp from a 1600cc Escort on CNG with appropriate mods !!

    I wouldn't consider LPG due to the tank intrusion etc - it would reduce the remarkable capacity of the 505 wagon to 'standard' !! I must do a test, but around town my carby XN1 auto wagon must be WELL under 25mpg, so an injected V6 should be able to match that..... At the end of the day it's all physics I guess - the 505 wagon is a large mass to get up to speed !

  11. #11
    Gone Fishin' Ray Bell's Avatar
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    Why didn't you say it was a wagon?

    I know the issues well... and it's not worth considering LPG. For the very reason you cite.

  12. #12
    Fellow Frogger! Jason Morris's Avatar
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    Took the ol' 504 for a spin to check out the 604. (110 mile round trip, can go much faster on your own...and then there are those sheep that run across the road at 130kmh...)

    604's seem somewhat lower to the ground than 504/05 !! Got my head under it just, could see the little plastic box, so unfortunately seems like it's a GM box. Couldn't see any brand in the casting, but access was limited! Looking at the engine, I can see why Dave doesn't like the PRV - especially with K-jet and all the extras. And those exhaust manifolds would do a pre-war tractor proud ! I'll keep looking.....

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