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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Sat Jun 22, 2013 23:36 Post subject: |
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you can feel the air being drawn through on a trooper |
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Posted: Sat Jun 22, 2013 23:36 Post subject: Google Ads keep this community free to join! |
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Malcolm Lifetime member
Joined: 22 Feb 2009 Posts: 834 Location: Great Yarmouth Norfolk
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Posted: Sun Jun 23, 2013 9:40 Post subject: |
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Sounds like the Rad to me. Also sounds like you are looking for a cheap magical cure instead. We would all like to have our problems sorted the easy and cheap way but sometimes that just is not possible.
Have you tried a radiator specialist to get a price to RE-CORE your rad if you get it to them, just a thought.
Reading through several posts on, here it seems like one of the commom problems with these vehicles. I don't know why they should block up if the water antifreeze mix is drained and changed out every couple of years or so but that just seems the way it is. Unless of course people just don't bother changing it out at the recomended service intervals. _________________ Never let a meal go by----Empty sacks dont stand up!!! |
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Gribble *******
Joined: 11 Oct 2007 Posts: 8448 Location: Holset H221W
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Posted: Sun Jun 23, 2013 11:03 Post subject: |
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Gribbles rad tests .
Hold a torch behind the rad and look through the front - if you cant see the light all over as you move the torch the cores blocked.
Bung up the top hose and take off the bottom one ,now pour in water from a watering can fast into the filler if it wont come straight out the tubes are furred up inside.
I would throw the viscous fan into scrap pile and fit leccy one with the sensor in the bottom hose . _________________ 2 New Troopers ! |
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Browndoff *****
Joined: 22 Mar 2013 Posts: 513 Location: Dublin 13, Ireland
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Posted: Sun Jun 23, 2013 12:00 Post subject: |
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Trooper-Dan's reference to the WEIGHT of a clean, new STANDARD Isuzu radiator was a key point. If anyone out there HAS a still unused radiator - maybe he/she wouldbe kind enough to stick it on the bathroom-scales and WEIGH it and post its weight on here. It's an accurate way to determine if a used rad is full of deposits - albeit a troublesome one - 'cos the rad must come out!
Eithan is right - as in the 'sheet of paper test' - I'll have to check to see if the fan is sucking strongly when HOT and weakly when COLD.
Malcolm I'm the 6th owner of this Trooper - even though its done only 80 000miles - so I've no idea what class of coolant has been used during its life to date! As for re-coring the rad - Ireland is a small market so prices are NOT so competitive as one might like!
Gribble The fins ARE more than a bit 'bashed-up' - there's plenty of light showing - but it's NOT perfect. As for water passing through - it DOES, of course, but mayb e not as quickly as it would through a CLEAN radiator.
I'll try to fix the Viscous-Clutch - before I 'abandon ship' and replace it with an electric one.
As Malcolm said - I'm hoping for a cheap magical cure!! |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Sun Jun 23, 2013 15:55 Post subject: |
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what IS it WITH the CAPITAL words EVERY other WORD! |
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adz1973 Lifetime member
Joined: 11 Aug 2009 Posts: 1908 Location: Co Durham
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Posted: Sun Jun 23, 2013 16:06 Post subject: |
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[quote="Browndoff"]Trooper-Dan's reference to the WEIGHT of a clean, new STANDARD Isuzu radiator was a key point. If anyone out there HAS a still unused radiator - maybe he/she wouldbe kind enough to stick it on the bathroom-scales and WEIGH it and post its weight on here. It's an accurate way to determine if a used rad is full of deposits - albeit a troublesome one - 'cos the rad must come out!
Eithan is right - as in the 'sheet of paper test' - I'll have to check to see if the fan is sucking strongly when HOT and weakly when COLD.
Malcolm I'm the 6th owner of this Trooper - even though its done only 80 000miles - so I've no idea what class of coolant has been used during its life to date! As for re-coring the rad - Ireland is a small market so prices are NOT so competitive as one might like!
Gribble The fins ARE more than a bit 'bashed-up' - there's plenty of light showing - but it's NOT perfect. As for water passing through - it DOES, of course, but mayb e not as quickly as it would through a CLEAN radiator.
I'll try to fix the Viscous-Clutch - before I 'abandon ship' and replace it with an electric one.
As Malcolm said - I'm hoping for a cheap magical cure!![/quote]
And I suppose you will want the calibration certificate off the bathroom scales as well! _________________
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gary820 Lifetime member
Joined: 08 Apr 2007 Posts: 2427 Location: Yorkshire
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Posted: Sun Jun 23, 2013 17:39 Post subject: |
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_________________ landcruiser 80 series 4.5, 35's/33's for road, 2inch lift, discreet winch, sliders/armour, factory lockers, stainless side exit +++++ |
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TrooperDan *******
Joined: 01 Mar 2010 Posts: 2337 Location: Near York, E Yorks
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Posted: Sun Jun 23, 2013 17:59 Post subject: |
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I'd estimate 800g to 1kg for new and 2kg for a buggered one _________________ www.independentisuzu.co.uk |
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markymoan *******
Joined: 25 Jun 2005 Posts: 16267 Location: Naughty Step
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Posted: Sun Jun 23, 2013 18:25 Post subject: |
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_________________ |
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Twister Moderator
Joined: 21 Jul 2005 Posts: 2340 Location: Stockport
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Posted: Sun Jun 23, 2013 18:56 Post subject: |
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Ran mine with no fan at all for 2+ years, didn't overheat once, so even if the viscous coupling was shot it wouldn't make a blind bit of difference. _________________
"Tongue-tied and Twisted; just an Earth-bound misfit, I..." - PF
LTM # 000002 |
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Hunter Lifetime member
Joined: 08 Jul 2010 Posts: 614 Location: Scottish Borders
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Posted: Sun Jun 23, 2013 20:10 Post subject: |
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No fan on my one ..... laccy one still on spare room floor
Never gets anywhere near overheating ...
Sometimes there is no cheap fix .. All you can do is look for best deal ..
You'll end up wasting time trying to get a cheap fix .
But if you really want to try ...... some kind of caustic soda
Would take rad out to try that tho .... _________________
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Browndoff *****
Joined: 22 Mar 2013 Posts: 513 Location: Dublin 13, Ireland
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Posted: Sun Jun 23, 2013 20:38 Post subject: |
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Gribble I tried the 'paper-sheet' - and the fan held up a regular sheet of typing-paper - and an A4 envelope too - while COLD - so the 'test' was meaningless - for a Trooper, at least!
Eithan Please pardon the CAPITALS - I do it just to emphasise the important bits in a sentence. My only excuse is that a pal, to whom I write regularly, tends to 'speed-read' and skips half of what I write - so I use daft tricks like that to 'keep his attention'! Silly, I suppose.............!
adz1973 Of course the scales must be properly calibrated! We're serious folk on here! NO SHODDY WORK, if you please!
Trooper-Dan to the rescue again! Roughly 1kg for a 'clean' radiator will do nicely! A clear, definitive test for a good/bad radiator!
Twister & Hunter It seems miraculous that yours did NOT overheat when driven without any fan! Maybe you drive much more 'gently' than I do - but the clear difference is that MINE really is reaching the top of the scale on the thermometer - so I can't ignore it! It certianly needs a more effective coolant-system - whether through cleaning the rad more thoroughly or 'fixing' the fan - one, or both, improvements MUST be made!
I really DO APPRECIATE that everyone is trying to help - and I hope the arguments back and forth will help the dozens of guys who READ without posting any reply! |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Sun Jun 23, 2013 20:48 Post subject: |
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change the rad if that doesn't work then look at the head gasket |
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Hunter Lifetime member
Joined: 08 Jul 2010 Posts: 614 Location: Scottish Borders
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Posted: Sun Jun 23, 2013 20:54 Post subject: |
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If you'd seen my one it don't get much love .. lol
And my one gets worked . With a lot of off road work ...
What we are saying is . The fan ain't your problem . _________________
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adz1973 Lifetime member
Joined: 11 Aug 2009 Posts: 1908 Location: Co Durham
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Posted: Sun Jun 23, 2013 21:03 Post subject: |
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Cant wait until that bloomin radiator gets changed _________________
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