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JDM Imports - Thermostats and coolants for Aussie conditions


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I will be receiving our import shortly and everyone has been interested to know how it was going, including my brother in law.

He happened to mention it to his local mechanic (country town) .......

Whilst talking to XXX I mentioned that you had decided to go the import route. He told me to warn you that he has towed quite a lot of imports with cooked engines because the people doing the compliance work do not change the thermostat and coolent so suit Australian conditions.

The vehicle that will arrive in a few weeks is an Estima ACR30 2.4ltr petrol 2WD 2000 model.

I was wondering if anyone else has heard of similar thing or experienced it themselves?

If this is indeed the case - does anyone know how much the change would be (approx)?

Thanks

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Interesting question. With the thermostat, I guess if you want to get technical then it would depend on where you are in Australia. I know that some people believe it is unnecessary, If it was me, I would do it just for peace of mind. Assuming that there is a thermostat available for that engine (and I really dont know about that) then you would expect it to be around the $100 mark to purchase, and they are generally not that hard to install (but again, I dont think Im at all familiar with that engine). Try Japanese Import Spares in Adelaide if you need a place to start, they are pretty helpful.

As for coolant, well the first thing I would do with an import (or any second hand car) is dump all fluids (including doing a coolant and engine flush) and start fresh. For the sake of a few hundred dollars and a couple of hours it means you know exactly whats going on and what fluids are in your car. Personally I use Nulon long life mixed 50/50 in all my vehicles, but would also use Toyota Super Long Life with confidence.

Edited by rollaurion
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You should be changing the coolant anyway, as for the thermostat, you should change it when you do the coolant, but if its not broken and you leave it, it wont make one iota of difference.

You will actually get the exact same part if you were to order one from toyota as the one that's in it now.


That same theremostat is used in the below vehicles/engines across the world;

Japan08/2000-08/2006TOYOTA COROLLA, FIELDERCE121,NZE12*,ZZE12*16-03: RADIATOR & WATER OUTLET
Japan01/2001-08/2006TOYOTA COROLLANZE12*,ZZE12*16-03: RADIATOR & WATER OUTLET
Japan04/2001-03/2004TOYOTA WILLNZE127,ZZE12*16-03: RADIATOR & WATER OUTLET
Japan01/2003-02/2009TOYOTA WISHANE1*,ZNE1*16-03: RADIATOR & WATER OUTLET
Japan05/2002-01/2004TOYOTA VOLTZZZE13*16-03: RADIATOR & WATER OUTLET
Japan10/1999-06/2007TOYOTA MR-SZZW3016-03: RADIATOR & WATER OUTLET
Japan08/1999-03/2006TOYOTA CELICAZZT23*16-03: RADIATOR & WATER OUTLET
Japan07/2003-10/2008TOYOTA AVENSISAZT25*16-03: RADIATOR & WATER OUTLET
Japan04/2000-03/2005TOYOTA OPAACT10,ZCT1*16-03: RADIATOR & WATER OUTLET
Japan06/1998-06/2003TOYOTA VISTA, VISTA ARDEOAZV5*,SV5*,ZZV5016-03: RADIATOR & WATER OUTLET
Japan08/1996-06/2001TOYOTA WINDOMMCV2*16-03: RADIATOR & WATER OUTLET
Japan07/2001-02/2006TOYOTA WINDOMMCV3016-03: RADIATOR & WATER OUTLET
Japan12/1996-08/2001TOYOTA CAMRYMCV2*,SXV2*16-03: RADIATOR & WATER OUTLET
Japan09/2001-12/2005TOYOTA CAMRYACV3*16-03: RADIATOR & WATER OUTLET
Japan05/1991-11/2000TOYOTA SOARERJZZ3*,UZZ3*16-03: RADIATOR & WATER OUTLET
Japan09/1987-09/1991TOYOTA CROWNGS13*,LS13*,MS13*,YS130,UZS131,JZS13*16-03: RADIATOR & WATER OUTLET
Japan10/1991-07/1995TOYOTA CROWN, CROWN MAJESTAJZS14*,LS141,UZS14*,GS14116-03: RADIATOR & WATER OUTLET
Japan08/1995-07/2001TOYOTA CROWN, CROWN MAJESTAGS151,JZS15*,LS151,UZS15*16-03: RADIATOR & WATER OUTLET
Japan10/1991-07/1997TOYOTA ARISTOJZS147,UZS14316-03: RADIATOR & WATER OUTLET
Japan04/1997-11/2001TOYOTA MARK 2MCV2*,SXV2*16-03: RADIATOR & WATER OUTLET
Japan03/1995-01/2000TOYOTA AVALONMCX1016-03: RADIATOR & WATER OUTLET
Japan02/2000-12/2002TOYOTA PRONARDMCX2016-03: RADIATOR & WATER OUTLET
Japan11/1989-09/1994TOYOTA CELSIORUCF1*16-03: RADIATOR & WATER OUTLET
Japan10/1994-07/2000TOYOTA CELSIORUCF2*16-03: RADIATOR & WATER OUTLET
Japan05/2001-11/2009TOYOTA IPSUMACM2*16-03: RADIATOR & WATER OUTLET
Japan12/1997-01/2003TOYOTA HARRIERACU1*,MCU1*,SXU1*16-03: RADIATOR & WATER OUTLET
Japan02/2003-TOYOTA HARRIERACU3*,GSU3*,MCU3*16-03: RADIATOR & WATER OUTLET
Japan11/2000-04/2007TOYOTA KLUGER LACU2*,MCU2*16-03: RADIATOR & WATER OUTLET
Japan11/2001-05/2007TOYOTA NOAHAZR6*16-03: RADIATOR & WATER OUTLET
Japan12/1999-12/2005TOYOTA ESTIMAACR30,40,MCR30,4016-03: RADIATOR & WATER OUTLET
Japan05/2001-12/2005TOYOTA ESTIMA HYBRIDAHR1016-03: RADIATOR & WATER OUTLET
Japan05/2000-10/2005TOYOTA RAV4 J/LACA2*,ZCA2*16-03: RADIATOR & WATER OUTLET
Japan05/2002-03/2008TOYOTA ALPHARD GANH1*,MNH1*16-03: RADIATOR & WATER OUTLET
Japan07/2003-03/2008TOYOTA ALPHARD HVATH1016-03: RADIATOR & WATER OUTLET
General05/1995-11/2004TOYOTA COROLLAAE11*,CE110,EE11*,ZZE11*16-03: RADIATOR & WATER OUTLET
General08/2002-06/2007TOYOTA COROLLAZZE12*16-03: RADIATOR & WATER OUTLET
General12/2003-09/2009TOYOTA WISHANE1*,ZNE1016-03: RADIATOR & WATER OUTLET
Europe, General12/1999-08/2005TOYOTA MR2ZZW3016-03: RADIATOR & WATER OUTLET
General08/1999-08/2005TOYOTA CELICAZZT23116-03: RADIATOR & WATER OUTLET
General01/2003-10/2008TOYOTA AVENSISAZT25016-03: RADIATOR & WATER OUTLET
General08/1992-03/2001TOYOTA CAMRYSXV1*,VCV10,MCV1016-03: RADIATOR & WATER OUTLET
General07/2001-02/2006LEXUS ES300MCV3016-03: RADIATOR & WATER OUTLET
General09/1992-06/1996TOYOTA CAMRYSXV10,MCV1016-03: RADIATOR & WATER OUTLET
General08/1996-06/2001LEXUS ES300MCV2016-03: RADIATOR & WATER OUTLET
General03/2002-10/2006TOYOTA CAMRYACV30,31,MCV3016-03: RADIATOR & WATER OUTLET
General08/2002-05/2006TOYOTA CAMRYACV36,MCV3616-03: RADIATOR & WATER OUTLET
General08/1995-07/1999TOYOTA AVALONMCX1016-03: RADIATOR & WATER OUTLET
General08/1999-12/2004TOYOTA AVALONMCX2016-03: RADIATOR & WATER OUTLET
General04/2000-05/2005TOYOTA AVALONMCX1016-03: RADIATOR & WATER OUTLET
Europe, General12/1989-09/1994LEXUS LS400UCF1016-03: RADIATOR & WATER OUTLET
Europe, General10/1994-07/2000LEXUS LS400UCF2016-03: RADIATOR & WATER OUTLET
Europe, General05/2001-11/2009TOYOTA AVENSIS VERSO, PICNICACM20,CLM2016-03: RADIATOR & WATER OUTLET
Europe, General02/2003-11/2008LEXUS RX300/330/350MCU3*,GSU3516-03: RADIATOR & WATER OUTLET
General08/2003-04/2007TOYOTA KLUGERMCU2816-03: RADIATOR & WATER OUTLET
Europe, General02/2000-12/2005TOYOTA PREVIA, TARAGOACR30,CLR3016-03: RADIATOR & WATER OUTLET
Europe, General05/2000-10/2005TOYOTA RAV4ACA2*,CLA2*,ZCA2*16-03: RADIATOR & WATER OUTLET
General12/2003-03/2008TOYOTA ALPHARDMNH1016-03: RADIATOR & WATER OUTLET
Europe05/1997-08/2001TOYOTA COROLLAAE11*,CDE110,CE110,EE11*,WZE110,ZZE11*16-03: RADIATOR & WATER OUTLET
Europe05/1997-10/2001TOYOTA COROLLAAE111,CDE110,CE110,EE111,WZE110,ZZE11*16-03: RADIATOR & WATER OUTLET
Europe11/2001-01/2007TOYOTA COROLLACDE120,NDE120,ZZE12*16-03: RADIATOR & WATER OUTLET
Europe, N. America08/1999-06/2005TOYOTA CELICAZZT23*16-03: RADIATOR & WATER OUTLET
Europe08/1999-08/2005TOYOTA CELICAZZT23*16-03: RADIATOR & WATER OUTLET
Europe10/1997-12/2002TOYOTA AVENSISAT22*,AZT220,CDT220,CT220,ST220,ZZT22*16-03: RADIATOR & WATER OUTLET
Europe01/2003-10/2008TOYOTA AVENSISADT25*,AZT25*,CDT250,ZZT25*16-03: RADIATOR & WATER OUTLET
N. America06/1991-07/1996TOYOTA CAMRYSXV10,VCV10,MCV1016-03: RADIATOR & WATER OUTLET
N. America08/1996-06/2001TOYOTA CAMRYSXV2*,MCV2*16-03: RADIATOR & WATER OUTLET
Europe08/1996-08/2001TOYOTA CAMRYMCV20,SXV2016-03: RADIATOR & WATER OUTLET
Europe08/2001-12/2005TOYOTA CAMRYACV3*,MCV3016-03: RADIATOR & WATER OUTLET
Europe07/2000-01/2003LEXUS RX300MCU1516-03: RADIATOR & WATER OUTLET
N. America08/2000-10/2005TOYOTA RAV4ACA2*16-03: RADIATOR & WATER OUTLET
N. America08/1997-12/2001TOYOTA COROLLAZZE11016-03: RADIATOR & WATER OUTLET
N. America01/2002-12/2007TOYOTA COROLLA, MATRIXZZE13*16-03: RADIATOR & WATER OUTLET
N. America12/1999-12/2004TOYOTA MR2ZZW3016-03: RADIATOR & WATER OUTLET
N. America05/2004-06/2010SCION TCANT1016-03: RADIATOR & WATER OUTLET
N. America07/2001-02/2006LEXUS ES300/330MCV3*16-03: RADIATOR & WATER OUTLET
N. America09/1991-06/1996TOYOTA CAMRYSXV10,VCV10,MCV1016-03: RADIATOR & WATER OUTLET
N. America07/1996-06/2001TOYOTA CAMRYSXV20,MCV2016-03: RADIATOR & WATER OUTLET
N. America07/2001-01/2006TOYOTA CAMRYACV30,MCV3*16-03: RADIATOR & WATER OUTLET
N. America07/1991-07/1996LEXUS ES300VCV10,MCV1016-03: RADIATOR & WATER OUTLET
N. America08/1996-06/2001LEXUS ES300MCV2016-03: RADIATOR & WATER OUTLET
N. America07/2001-12/2005TOYOTA CAMRYACV30,MCV3*16-03: RADIATOR & WATER OUTLET
N. America06/1998-11/2002TOYOTA SOLARAACV20,MCV20,SXV2016-03: RADIATOR & WATER OUTLET
N. America07/2003-11/2008TOYOTA SOLARAACV30,MCV3116-03: RADIATOR & WATER OUTLET
N. America04/1991-06/2000LEXUS SC300/400UZZ30,JZZ3116-03: RADIATOR & WATER OUTLET
N. America09/1994-07/1999TOYOTA AVALONMCX1016-03: RADIATOR & WATER OUTLET
N. America08/1999-12/2004TOYOTA AVALONMCX2016-03: RADIATOR & WATER OUTLET
N. America05/1989-09/1994LEXUS LS400UCF1016-03: RADIATOR & WATER OUTLET
N. America10/1994-07/2000LEXUS LS400UCF2016-03: RADIATOR & WATER OUTLET
N. America01/1998-01/2003LEXUS RX300MCU1*16-03: RADIATOR & WATER OUTLET
N. America02/2003-11/2008LEXUS RX330/350MCU3*,GSU3*16-03: RADIATOR & WATER OUTLET
N. America11/2000-04/2007TOYOTA HIGHLANDERACU2*,MCU2*16-03: RADIATOR & WATER OUTLET
N. America09/2003-12/2008LEXUS RX330/350MCU3*,GSU3*16-03: RADIATOR & WATER OUTLET
N. America08/1997-12/2002TOYOTA SIENNAMCL1016-03: RADIATOR & WATER OUTLET
N. America01/2003-11/2009TOYOTA SIENNAGSL2*,MCL2*16-03: RADIATOR & WATER OUTLET

Generally speaking, when a car is designed and tested, it is in a wide range of conditions, from snowy/cold conditions to hot/desert conditions.

The person referring to towing imports is probably thinking of the Hilux Surf, which was notorious for cooking the engine, this was a design fault in the 2L-T diesel engine.

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Hi rollaurion

I will be doing a full coolant change and will look at the coolants you have suggested.

Hi mick.wheelz

I suspected that the thermostat was the same - the few parts listings that I was able to look at on-line quoted the same part number.

Only thing that I had been told of was to beware of Chinese copies of the thermostat as unfortunately they were not as reliable and tended to have varying operating temperatures. These ones are usually listed very cheaply on E-bay.

My brother in law had been referring to the Estima when speaking to the mechanic.

Mick, dont know if the hyper links in your reply are supposed to take you to further info or not - when clicked on the open up another instance of this forum topic.

Its the first time ever that I had ever heard that this MIGHT be an issue. Would be good to know if any members had first hand experience of this.

Thank you both for taking the time to reply - much appreciated.

Cheers

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A thermostat is designed to keep the engine running at a particular temperature (and are rated accordingly). Unless outside conditions are either hotter than the surface of the sun or colder than a witch's chesticle, then it will work perfectly fine regardless of the outside temperature. The RADIATOR on the other hand, is dependent on air temperature, and if it is insufficiently sized for the task then it may not be able to bring temperatures down far enough to keep the system in equilibrium, and that is when engines overheat. Still, I can't imagine having to change a radiator on an import to a bigger/thicker one unless you intend on doing some hardcore towing/track-work (which place much larger demands on the cooling circuit).

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A thermostat is designed to keep the engine running at a particular temperature (and are rated accordingly). Unless outside conditions are either hotter than the surface of the sun or colder than a witch's chesticle, then it will work perfectly fine regardless of the outside temperature. The RADIATOR on the other hand, is dependent on air temperature, and if it is insufficiently sized for the task then it may not be able to bring temperatures down far enough to keep the system in equilibrium, and that is when engines overheat. Still, I can't imagine having to change a radiator on an import to a bigger/thicker one unless you intend on doing some hardcore towing/track-work (which place much larger demands on the cooling circuit).

the same radiator is used in the tarago... which was available here.

Market Date range Model Frames/Options Found in diagram Japan 12/1999-12/2005 TOYOTA ESTIMA ACR30,40,MCR30,40 16-03: RADIATOR & WATER OUTLET Europe, General 02/2000-12/2005 TOYOTA PREVIA, TARAGO ACR30,CLR30

16-03: RADIATOR & WATER OUTLET

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