Stuffed 504 Radiator, Re core or replace with New
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  1. #1
    1000+ Posts Shobbz's Avatar
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    Stuffed 504 Radiator, Re core or replace with New

    Yep something else to replace on the 504.

    What is a peugeot 504 B??????????

    When asking for prices this was always asked.

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    the 504D is the diesel, then what is the B

    The bottom third of the fins are rusted/gone/stuffed on the front of the radiator.

    Is it worth getting a new one for $380?

    or a re core for bout $330?

    I ask as i am not sure if the new radiators have just been sitting in storage and may be a disaster waiting to happen. I am guessing that they hava a shelf life.

    Do i have to get a Peugeot one? Will one from a standard 2L car work?

    Just trying to save money, this car is starting to make my wallet cry

    thanks

    James
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    2005 407 ST Exec
    1975 504 GL

  2. #2
    Budding Architect ???? pugrambo's Avatar
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    you can always hunt around for a holden 253 V8 radiator to fit in the car
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  3. #3
    Gone Fishin' Ray Bell's Avatar
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    That only works with a reduction in height, doesn't it?

    504B? Possibly the late '79 model (and onwards, the one with the square port head), this has the 505 waterpump and slightly different inlet and outlets to the radiator.

    You can slip a 505 radiator straight in if you have the 505 pump, it's a better job all round, only the top anchor to be modified, and I did see a Daihatsu radiator in one recently... ie a 4WD Daihatsu. Another one that can be made to fit is the Datsun 240K.

  4. #4
    Fellow Frogger!
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    Does the 505 water pump have the thermostat in it? Will the older model water pumps ie 404 & 504 fit on a 505 re4gards cane toad

  5. #5
    Guru davemcbean's Avatar
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    cane toad:
    Does the 505 water pump have the thermostat in it? Will the older model water pumps ie 404 & 504 fit on a 505 re4gards cane toad
    The 505 and late 504 water pump has the thermostat in it.

    You can use the older type pump if you cut the top hose halfway and use a piece of pipe to join on a section of old bottom hose. The 505 bottom hose will fit the older pump.

    I don't know what a 504 B is. The radiator on 504s is the same regardless of pump.

    Dave
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  6. #6
    Gone Fishin' Ray Bell's Avatar
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    Maybe it was only the late wagons that had different radiators, Dave... I'm certain I had to find another one when I changed one once. Maybe it was when I went to fit an early waterpump... in fact, that's what I think it was. Anyway, I had a problem there.

    The top hose is different to both the 505 and the 504 top hoses.

  7. #7
    Tadpole
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    505 GR/SR crossflow raiators are still easy to get in good nick at wreckers and those pick a part places. Not too tall, hoses connections in the right place, and a bit more efficient and still a peugeot bit.

  8. #8
    Gone Fishin' Ray Bell's Avatar
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    And they bolt into the holes in the crossmember of the late 504s...

    That's why I mentioned them.

  9. #9
    1000+ Posts Shobbz's Avatar
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    Thanks for all the help.

    After this is fixed surely nothing else can die

    Thanks for the compatiable radiator listings.

    Are there any other holden or ford ones that would fit?

    I ask as I might be able to find a reasonable one at a wrecker. Hopefully still with water in it, no leaks, rust etc

    Would putting a radiator for a slightly bigger car make a detrimental difference? Would there be too much water? Would the car not opperate at correct temp?

    Would the thermostat/theremo switch need to be changed on a radiator for a car with say a 2.5 or biger engine?

    Would they just take longer to work? The car has always run a bit hot. The current raiator works perfectly other than the rusted fins, most of which were in tact but fell off when i ran my finger along the front.

    Thanks again.

    James
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    2005 407 ST Exec
    1975 504 GL

  10. #10
    Gone Fishin' Ray Bell's Avatar
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    Your best bet is the 505 rad with the late 504/early 505 water pump and hoses.

    Find one of them, you're sweet. Anything else will create some sort of drama, but they're there as a backstop.

  11. #11
    1000+ Posts Shobbz's Avatar
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    hmmmmmmmmmm,

    But what life expectancy could I expect out of a used one?

    James
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    1975 504 GL

  12. #12
    Gone Fishin' Ray Bell's Avatar
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    They seem to be much better than the 504s in this regard too.

    But their efficiency is greater, so if you got one that looks good, it will be better for longer if you know what I mean.

    It has to be out of a GR, by the way... or at least a model with the XN engine like yours.

  13. #13
    1000+ Posts Shobbz's Avatar
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    Will have to search for a 505 rad then.

    I would have liked to put in a rad from an older ford or holden but the problems i might have would prpbably be too time consuming.

    thanks

    James
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    2005 407 ST Exec
    1975 504 GL

  14. #14
    Guru davemcbean's Avatar
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    When I bought a second hand 505 radiator I had it flushed, pressure tested and leaks repaired for a total cost of $30. It's worthwhile insurance.

    These radiators are also designed to handle 11psi+ when new. I decided to use a new 7psi pressure cap. It's higher than the old 4psi 504 cap, but yet it's low enough not to encourage leaks in an old radiator. It seems to work quite well.

    I only fill the radiator up to the crease which sits 2-3 inches below the top of the radiator. This seems to be about the right level in order for the water to expand to the top of the tank when warm, without water blowing off through the cap, and yet the water is still above head level when the engine is started on a zero degree winter morning.

    Dave

    <small>[ 03 August 2003, 12:54 PM: Message edited by: davemcbean ]</small>
    NZ Fleet
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    1984 205 GT twin carb
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  15. #15
    1000+ Posts Shobbz's Avatar
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    sound like a plan.

    Might spend the extra cash just to be sure.

    thanks

    James
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    2005 407 ST Exec
    1975 504 GL

  16. #16
    1000+ Posts Shobbz's Avatar
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    I know that u are all exceited. But wait there is more.

    Got me a 504 radiator that is in pretty good condition

    50 bucks and then i got it tested and re sprayed for 30

    I am thinking of putting up spome mesh behind the front grill to keep the nasties and the stones away from the radiator?

    What woudl be an appropiate size?

    Flyscreen would cut doen on too much air i think and chicken wire is too big?

    ideas?

    thanks

    James
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    1975 504 GL

  17. #17
    Guru davemcbean's Avatar
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    Flyscreen always worked fine for me, but I live in a cooler area than you.

    Dave
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    1976 504 Ti
    1984 205 GT twin carb
    1991 205 SI 1.6GTI motor
    1994 106 Xsi
    1996 Mondeo V6
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    1955 203C
    1997 Civic Cxi (great allrounder- revy, flexible, nimble, comfortable , economical, simple and durable )

  18. #18
    1000+ Posts Rod Hagen's Avatar
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    We used to run flyscreen on all our Landcruisers when I was in the terrirtory, James.

    Flyscreen will be fine, as long as you don't let it get clogged with insects and grass seeds.

    Cheers

    Rod
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  19. #19
    Fellow Frogger! aquinian's Avatar
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    Shobbz:
    I ask as I might be able to find a reasonable one at a wrecker. Hopefully still with water in it,
    To be safe I'd still replace the water, James. roll_lau
    Current: 406 Coupe, 504 Sedan

    Previous: 306XSi, 205GTi, 206Gti, 505 V6, 505 Wagon, 504 Sedan, 504 Wagon, 306Gti6, 306XT, 205Si, Citroen XM, Citroen Xantia

  20. #20
    1000+ Posts Shobbz's Avatar
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    Fly Screen It is then

    Might try to find a bigger mesh size, does get pretty hot around here.

    shobbz
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    1975 504 GL

  21. #21
    Fellow Frogger! frogs4ever's Avatar
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    Could a 504 "B" radiator be one which includes a heat exchanger for the auto transmission in automatic models. My 504 GL, which is a BW35 automatic, has this heat exchanger in the bottom of the radiator. Or do the manual versions also have it but simply not used?
    2004 Clio Expression Verve 4sp auto -
    1984 Fuego GTX 5 speed (now a write off) -
    1976 504 GL auto (sold)

    French cars, Australian wine.

  22. #22
    Gone Fishin' Ray Bell's Avatar
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    No, this isn't present in radiators fitted originally to manuals.

    You will need a rad out of an auto or (better still) fit an auxilliary transmission oil cooler.

  23. #23
    Guru davemcbean's Avatar
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    frogs4ever:
    Could a 504 "B" radiator be one which includes a heat exchanger for the auto transmission in automatic models.
    Yeah, that's probably what they are refering to.

    Dave
    NZ Fleet
    1976 504 Ti
    1984 205 GT twin carb
    1991 205 SI 1.6GTI motor
    1994 106 Xsi
    1996 Mondeo V6
    Aus Fleet
    1955 203C
    1997 Civic Cxi (great allrounder- revy, flexible, nimble, comfortable , economical, simple and durable )

  24. #24
    1000+ Posts Shobbz's Avatar
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    so that's the B.

    thanks

    James
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    2005 407 ST Exec
    1975 504 GL

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