Overheating 2003 GU Patrol 3.0L
Submitted: Friday, May 01, 2009 at 11:57
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Shirls
G'Day. Overheating issues when loaded up (not towing) on steep hills regardless of ambient temp. I've replaced the thermostat, coolant (50/50). Radiator replaced 2 yrs ago. Hoses are good.
Well maintained vehicle. Ideas??
Thanks
Reply By: Member - RFLundgren (WA) - Friday, May 01, 2009 at 12:24
Friday, May 01, 2009 at 12:24
Hi there, we had similar issues on our last big trip. The Patrol was overheating under load and as soon as I would ease off the temp would come back down.
Patrols like to use the specific nissan coolant and do not like to have any coolants mixed at all. Believe me as I found this out the hard way.
We put the car in for a full service prior to leaving and ended up having the radiator rebuilt in
Broome. It was blocked due to the coolant turning jelly like and I was only operating on about 2/3 capacity. A clean out, new top tank and almost $800 later and all was good and still is.
Get the coolant direct from nissan, make sure you do a full and complete clean of the old coolant (this is essential), add the nissan stuff and you should be good (if that is in fact the problem)
I dont go to nissan for too many things, but this is one that I definitely do get frmo them now.
HTH
AnswerID:
362585
Follow Up By: Snowy 3.0iTD - Friday, May 01, 2009 at 12:45
Friday, May 01, 2009 at 12:45
I will second that, you most likely have one blocked radiator.
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Follow Up By: Member - AJB (VIC) - Friday, May 01, 2009 at 16:40
Friday, May 01, 2009 at 16:40
I'll third it.
Mine did the same after re-build and the radiator was blocked so flushed and new top tank and all has been good for last 4 years. Cost $500!
It will appear that the radiator is fine by it will have reduced cooling capacity, due to the blockage, and will only reveal itself under load. The 3-0 cooling system is pretty good, hence the ability for travel, with light loads, with the blockage. Take it to a radiator specialist.
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Follow Up By: Snowy 3.0iTD - Friday, May 01, 2009 at 17:08
Friday, May 01, 2009 at 17:08
As I elaborated in a previous thread, while the pin is still in the grenade they are an excellent vehicle. When I first picked
mine up we were living in the
Pilbara and just to see how good the cooling system was we sat on 130km/h for an hour or so going from
Karratha to Paraburdoo on a day when the mercury was around 47 C in the shade, temperature gauge did not move.
But about 12 months ago the pin fell out and I had poured many thousands in to the blakchole under the bonnet, until I finally had enough 4 months ago and traded it.
Cheers
Snowy
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Follow Up By: Member - AJB (VIC) - Friday, May 01, 2009 at 19:34
Friday, May 01, 2009 at 19:34
Snowy,
I am
well aware of the pins working loose as
mine did about 4 years ago! They are an excellent vehicle with the weak links being the engine, perhaps the gearbox (in my model), the disfunctional electronic fuelling system and the support from the Nissan Motor Company ! I am not a fan of Nissans (especially the Nissan Motor Company) even though I own one, but a lot of other vehicles also have a "black hole" which devours $100 notes at an astonishing rate. Anyway if we weren't meant to spend money, they wouldn't make it!!!!
Standard temperature guages quickly get to the operating zone and rarely fluctuate unless they are near boiling or boiling so the fact that yours did not move does not mean that the temperature did not rise. If the guages rose up and down to indicate true coolant temperature, we'd all be nervous wrecks!
I got 195,000 out of the first engine! Second one has done about 50,000 so I reckon (hope) I have about 100,000 to play with.
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