R25 radiator
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Thread: R25 radiator

  1. #1
    1000+ Posts silverexec's Avatar
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    Default R25 radiator

    You guys might remember during the forum's "twilight zone" period , I posted a question asking if I should replace the radiator in our 25 or keep it, after I took it out and found out it was damaged by the water pump pully.

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    Anyway, I took it to a radiator guy to check it out, and after testing it, he said that it should still be OK to put back in. The radiator had been recored in 1996 and was still in reasonable condition. The guy wanted to take the tanks off to do a proper flow test but was worried that the radiator would be permanently damaged if he tried.

    So his recommendation was that for the time being, the radiator could be reinstalled and it should be fine, but I should look into sourcing a new radiator and finding out how much they cost.

    I spoke with Ken at Caravelle and he has genuine original 25 radiators ex stock for around $280 or so. I might just get one of these and remove any doubt and anxiety about the radiator springing a leak any time soon.

    Richard
    - Richard

    Now: 405 SRI D70 '93
    - 2.0L manual
    Earlier: 505 GTi Executive '85
    - hence "Silver Exec"...
    25 GTX '86
    - manual conversion

  2. #2
    Fellow Frogger! GavinS's Avatar
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    [COLOR=Wheat]
    Damaged, does that mean leaking? if so $280 for an original new radiator would do wonders for your peace of mind. Kens a legend.
    Hows the car performing so far for you or was that for your brother?
    Cheers- GavinS 25 GTX 1987 build 2165cc auto - TBR. Renault is properly pronounced "Rhen-oh."
    .......................................Nissan Skyline (daily driver)
    Seek the blindspot and unknown of The Johari Window.

  3. #3
    1000+ Posts Haakon's Avatar
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    postage would be a killer though...

    http://cgi.ebay.co.uk/ws/eBayISAPI.d...category=10410
    I tried to drown my sorrows in alcohol, but the bastards learnt how to swim

  4. #4
    Tadpole
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    Default Da sweet smell of success

    Ken, da legendary Kin' of parts procuremen' for de Renaul' Car Club of Jamaica. He ships anywhere in da Worl' even to our great little Islan'.

    A new radiator sure to banish all dose evil spirits from da luxury R25, to make sure de only smoke dat flows through yo lungs be de sweet smell of Jamaican success

  5. #5
    1000+ Posts silverexec's Avatar
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    Quote Originally Posted by GavinS
    Damaged, does that mean leaking? if so $280 for an original new radiator would do wonders for your peace of mind. Kens a legend.
    Hows the car performing so far for you or was that for your brother?
    Yeah mon, Ken's been really helpful, I've bought quite a few things from him over the past few weeks.

    I'll re-attach the pics showing the "damage". Sometime in the past the radiator came into contact with the water pump pulley and ended up with some of the tubes being damaged. It was patched up with some hard black goo which seems to be doing OK at keeping the coolant in - I haven't noticed any leaks when the engine's been running.

    I've been thinking about it again and I might just put the thing back in to get the car running and on the road as soon as possible. It hasn't been driven since we got it home after we bought it, and my brother's been pestering me to hurry up and get it finished so he can drive it.

    Down the track I might get the new radiator when all the other stuff on the car is sorted out.

    Cheers,
    Richard
    Attached Thumbnails Attached Thumbnails R25 radiator-p2280144b.jpg   R25 radiator-p2280146b.jpg  
    Last edited by silverexec; 6th March 2004 at 07:06 PM.
    - Richard

    Now: 405 SRI D70 '93
    - 2.0L manual
    Earlier: 505 GTi Executive '85
    - hence "Silver Exec"...
    25 GTX '86
    - manual conversion

  6. #6
    Fellow Frogger! GavinS's Avatar
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    Richard after looking at the photo I'd be reluctant to take it for a drive in the mountains or countryside are some of the water rows blocked? the air flow is certainly restricted. I understand the need to take it for a spin but a RACV extra care policy may be a wise purchase in advance. A/C load may test it.
    Good luck.
    Cheers- GavinS 25 GTX 1987 build 2165cc auto - TBR. Renault is properly pronounced "Rhen-oh."
    .......................................Nissan Skyline (daily driver)
    Seek the blindspot and unknown of The Johari Window.

  7. #7
    Budding Architect ???? pugrambo's Avatar
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    $280 for a new one i think is a wise investment

    what would a re-core cost ?
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

  8. #8
    1000+ Posts Haakon's Avatar
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    new one would be best, but if cash is strapped, a good Fuego one should be found at a pickapart.
    I tried to drown my sorrows in alcohol, but the bastards learnt how to swim

  9. #9
    1000+ Posts silverexec's Avatar
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    Yeah OK, methinks I'll just get a new radiator from Ken and not worry about it anymore.

    I asked about re-coring - I was told by the radiator guy that he would have to make a new one up completely because taking apart my old one would probably damage the tanks, so that would bump the cost up around $400 or so. He recommended that I just get a new or 2ndhand one instead.

    A fuego radiator would be good but I don't really like the thought of having to make up brackets and mucking around with the overflow pipe to get it to fit right. There just aren't enough hours in the day

    Cheers,
    Richard
    - Richard

    Now: 405 SRI D70 '93
    - 2.0L manual
    Earlier: 505 GTi Executive '85
    - hence "Silver Exec"...
    25 GTX '86
    - manual conversion

  10. #10
    1000+ Posts Haakon's Avatar
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    Quote Originally Posted by silverexec
    A fuego radiator would be good but I don't really like the thought of having to make up brackets and mucking around with the overflow pipe to get it to fit right. There just aren't enough hours in the day

    Cheers,
    Richard
    I am about to put the as new Fuego rad in my R25, and the bracket took me 10 minutes to make, and the hose adaptor was bought for a couple of dollars from a hardware shop and it doesnt require any modification of the car. easy peasy
    I tried to drown my sorrows in alcohol, but the bastards learnt how to swim

  11. #11
    1000+ Posts silverexec's Avatar
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    Hmmm... in that case, I'll give it more consideration. I'll check out Pick-a-part over the next few days and see what they have to offer.

    Cheers,
    Richard
    - Richard

    Now: 405 SRI D70 '93
    - 2.0L manual
    Earlier: 505 GTi Executive '85
    - hence "Silver Exec"...
    25 GTX '86
    - manual conversion

  12. #12
    1000+ Posts silverexec's Avatar
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    Well, I've had a busy day today. I went out to Pick-a-part Campbellfield today and found 2 Fuegos (as well as an R19, Pug 505 GR and Cit CX 2400, and an R21 for sale - nice to see their range of French cars increasing). Anyway, one of the Fuegos was in relatively good condition and had a recently re-cored new-looking radiator in it. I thought "bewdy, I'll have that" and took it out within an hour.

    I brought it home, and proceeded to flush it out by standing the radiator up on its side and having the inlet/outlet pipes on the bottom. I stuck the hose in the inlet side and watched in dismay as the water bypassed the baffle inside the tank and came straight out the outlet side without passing through the radiator.

    Can anything be done about this? Luckily I took the 30 day warranty option when I bought it (cost $75 instead of $65 - yep, prices have gone up) but that means I can only get credit for future purchases - they don't refund cash.

    I might check out the other radiator in the other Fuego when I get time. It didn't look as good as the one I got, but it might turn out to be better.

    Richard
    - Richard

    Now: 405 SRI D70 '93
    - 2.0L manual
    Earlier: 505 GTi Executive '85
    - hence "Silver Exec"...
    25 GTX '86
    - manual conversion

  13. #13
    Budding Architect ???? pugrambo's Avatar
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    what was the cit 2400 like ?
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

  14. #14
    1000+ Posts silverexec's Avatar
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    Quote Originally Posted by pugrambo
    what was the cit 2400 like ?
    Looked reasonably intact except that something caused a large "depression" in the roof near the windscreen. All the exterior lights have been taken, as has the rear seat base. Interior is tatty, some door plastics have become melted but otherwise, it's mostly complete. I only quickly glanced at the engine but it looked complete.

    Oh, and the car's bright orange. If I go back this week, I can have a closer look at anything you might be interested in (keeping in mind I know virtually nothing about Cits...)

    Cheers,
    Richard
    - Richard

    Now: 405 SRI D70 '93
    - 2.0L manual
    Earlier: 505 GTi Executive '85
    - hence "Silver Exec"...
    25 GTX '86
    - manual conversion

  15. #15
    1000+ Posts Haakon's Avatar
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    check your PMs mate
    I tried to drown my sorrows in alcohol, but the bastards learnt how to swim

  16. #16
    1000+ Posts silverexec's Avatar
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    Quote Originally Posted by Haakon
    check your PMs mate
    You've got mail
    - Richard

    Now: 405 SRI D70 '93
    - 2.0L manual
    Earlier: 505 GTi Executive '85
    - hence "Silver Exec"...
    25 GTX '86
    - manual conversion

  17. #17
    VIP Sponsor David Cavanagh's Avatar
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    Why are you guys mucking round with S/H Fuego rads, I've got a few excellent R25 rads in wrecks at work, one of them is still clean and shinny.


    David.

  18. #18
    1000+ Posts Haakon's Avatar
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    Quote Originally Posted by David Cavanagh
    Why are you guys mucking round with S/H Fuego rads, I've got a few excellent R25 rads in wrecks at work, one of them is still clean and shinny.


    David.
    sorry dave, completly forgot about you Silverexec - please ignore previous advice and go see dave

    I only mentioned the Fuego rad thing 'cos I had a perfect one lying around from my Fuego days and it made sense to use it, which is why I now know they can be used. and pickapart often has fuegos with decent rads for "cheap". But much easier to use the "right" one.
    Last edited by Haakon; 11th March 2004 at 11:25 AM.
    I tried to drown my sorrows in alcohol, but the bastards learnt how to swim

  19. #19
    1000+ Posts silverexec's Avatar
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    Dave, yeah I'll keep you in mind. Over the past few days, my dad and brother have gone to get the opinions of other radiator specialists and they have all generally said that our old radiator should be fine. They said it's been patched up well and even if some of the tubes are blocked, it's only a small proportion of the total radiator area so efficiency wouldn't be significantly reduced.

    I'm going to chuck it back in the car and see how it goes. Since I've put in a new thermostat, I'll see if that fixes up the overheating issue. If not, then I'll look into the radiator thing again.

    Cheers,
    Richard
    - Richard

    Now: 405 SRI D70 '93
    - 2.0L manual
    Earlier: 505 GTi Executive '85
    - hence "Silver Exec"...
    25 GTX '86
    - manual conversion

  20. #20
    1000+ Posts silverexec's Avatar
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    UPDATE

    I put the old radiator back into the car today and started the car up after I'd refilled it and bled it according to the Haynes manual (seemed unnervingly simple...).

    Anyway, after idling the car for around 10 mins, the temp gauge had got to the 1st mark above half way before the thermo fans kicked in. They were on for a short time then turned off, maintaining the temp around that 1st mark above half way.

    Is this normal? Seems a bit hot for my liking. Those fans seem a bit lethargic as well when they're running, not very powerful.

    I'll have to wait until the car is fully road-going before I can do a proper test of it's cooling abilities.

    Cheers,
    Richard
    - Richard

    Now: 405 SRI D70 '93
    - 2.0L manual
    Earlier: 505 GTi Executive '85
    - hence "Silver Exec"...
    25 GTX '86
    - manual conversion

  21. #21
    Budding Architect ???? pugrambo's Avatar
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    with the way that radiator is i'd say that a certain percentage of your cooling surface area has been lost which may account towards the car getting fairly warm

    but as for the fans kicking in after 1/2 way to me sounds about right if comparing it to say the 604 we have here

    it won't kick in the thermo fan till the temp is a fair way up (still away from red) but over 1/2 way
    on the road though the temp will sit 1/2 way and sometimes back a little and going down hill it will actually come back a little more and then normal driving it will return to just before 1/2 or on 1/2 depending on the air temp

    going up hill though it will go up a bit but then back to normal again after the hill climb

    apart from a slightly modified radiator i had once in another 604 this has to be about the best i have ever seen a 604 work in the cooling department (oh and the one my mother had was pretty damn good as well but it was a new car)

    see how the car goes once you are on the road but i'd keep a close eye and that radiator as i wouldn't like to be the one driving too far with one in that condition
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

  22. #22
    1000+ Posts Haakon's Avatar
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    Did you change the timing belt while the rad was out? (not required, but it makes access a little easier )

    Glad to hear the project is coming along. I went and saw John Masefeilds car the other day - what a beauty. I hope your car doesnt end up costing 4 grand to get perfect (mind you, it can fun fiddling with them), cos John pretty much is already. I very much doubt anyone will find a better one (though it was nice to see mine stacked up fairly well, except mine doesnt have a brand new gearbox...) All I have to do is convince my girlfriends mum that she will love it and it is better than a Camry.... I would love it myself, but 2 R25s and now 2 (possibly 3 soon) R21s is probably enough

    MJ3 auto trans manual on the way from the US (gotta love ebay ) - might even scan it onto CDs. The more I learn about these things, the more I'm getting the impression that they will not be overly hard for the DIY Renault nut to fix, but we shall see.....
    I tried to drown my sorrows in alcohol, but the bastards learnt how to swim

  23. #23
    1000+ Posts silverexec's Avatar
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    pugrambo, yeah I'll keep an eye on the radiator to see how it fares over time. I'm planning a few long drives in the next few months and I'd like to take the 25 so I'll be checking it out pretty comprehensively once it gets driven more often.

    Haakon, no I didn't change the timing belt, although I have bought one and plan to have it fitted soon. I'm a bit reluctant to change it myself - I'm sure I can fit it OK, but I wanted to get things like the tensioner checked and adjusted correctly since I don't really know much about how they work.

    John's 25 sounded really great when I was talking to him about it, shame we couldn't really afford to get it. As I said to John, part of the logic behind buying our 25 was that we would have been able to fix things up over time and spread the cost out, instead of having to pay all at once for a great 25. I'm sure his 25 will go to someone who can fully appreciate it and take care of it properly.

    In the meantime, I've got to sort out our dodgy idle, why the "electronic incident" light is on, a leak coming in through the rear hatch, burnt out globes in the stereo, etc etc. Fun fun fun...

    Richard
    - Richard

    Now: 405 SRI D70 '93
    - 2.0L manual
    Earlier: 505 GTi Executive '85
    - hence "Silver Exec"...
    25 GTX '86
    - manual conversion

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