Overheating GU

Submitted: Saturday, Apr 30, 2005 at 09:17
ThreadID: 22502 Views:1587 Replies:6 FollowUps:9
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I've just read a long previous post from Roachie re cooling problems that he's having with his GU. It's very disappointing to read of all the problems people are having with vehicles that they've spent so much money on. I read one comment that "it only overheats on very hot days" ... bit like a tent that only leaks in very heavy rain .... USELESS!!!! They also classed a very hot day as 32C which by Australian standards is warm. Try 45C as very hot or if you're in Birdsville try 50C. I've had 4 Toyota 4wds and have NEVER had overheating problems even towing on HOT days (over40C with aircon on full). It's just a matter of sufficient R&D going into a vehicle and that's largely what you pay for with a quality vehicle. It seems that the R&D has been left to the owners with some vehicles!!
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Reply By: Member - Pesty (SA) - Saturday, Apr 30, 2005 at 09:27

Saturday, Apr 30, 2005 at 09:27
Im with you andy, I have 2 toyotas that never overheat, and a lot older than these, gu deisels, and I would be very anoid if I had to pay big dollars to fix a problem that only exist on some, gu deisels! I think nissan should be doing more to help rectify this instead of, burying head in sand, as usual!
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Follow Up By: Member - Roachie (SA) - Saturday, Apr 30, 2005 at 09:43

Saturday, Apr 30, 2005 at 09:43
Pesty, Please don't encourage him.......
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Reply By: Patrolman Pat - Saturday, Apr 30, 2005 at 09:47

Saturday, Apr 30, 2005 at 09:47
I'm a very happy GU owner. Mine's the dreaded 3.0 not the 4.2 like Roachie's but no problems with mine at all. Maybe I'm tempting fate by posting this.

As for Roachie's car, he'll be the first to admit that it ain't exactly as it left the Nissan factory. It's got more toys on it than you could poke a stick at and weighs in accordingly. Not that that excuses if for having overheating problems.
AnswerID: 108904

Reply By: Truckster (Vic) - Saturday, Apr 30, 2005 at 11:35

Saturday, Apr 30, 2005 at 11:35
Yea but roachies isnt standard.

... it weighs about the equivalent to a loaded supertanker, as aerodynamic as a wall, and tows about the same as a D9, and the interior looks like the cockpit of a 747..

There are reasons for issues.

Sufficent R&D, like the arms on IFS 100series breaking?
AnswerID: 108918

Reply By: Exploder - Saturday, Apr 30, 2005 at 12:37

Saturday, Apr 30, 2005 at 12:37
Gday Anndy

I think if you look through the post’s you will see people r having the same sorts of problems with some turbo land cruisers as well so maybe it’s a turbo issue on 1in 10 engines.
As other people and I have said weight is probably an issue as is airflow thru the radiator but the way Roachie has talked about it, sound’s like it has always been an issue.

Without looking over the car, and being there when it overheats it very hard to say why it is having this type of problem.


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Follow Up By: Member - Davoe (WA) - Saturday, Apr 30, 2005 at 21:09

Saturday, Apr 30, 2005 at 21:09
no - only aftermarket turbos
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Reply By: Lone Wolf - Saturday, Apr 30, 2005 at 15:51

Saturday, Apr 30, 2005 at 15:51
All I wanna know is........

....... which way DOES the coolant run?

Or are we all still out to lunch?

Wolfie
AnswerID: 108938

Follow Up By: Exploder - Saturday, Apr 30, 2005 at 18:51

Saturday, Apr 30, 2005 at 18:51
Im back from lunch so.

The patrols have a down flow radiator in them!

Hot water comes out of the top of the motor into the top of the radiator flows down to the bottom of the radiator and back thru the engine.

Down flow radiator people Down flow.

What do yah recon Wolfie pretty straight forward or what.


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Follow Up By: Lone Wolf - Saturday, Apr 30, 2005 at 19:02

Saturday, Apr 30, 2005 at 19:02
So, I was right!

Whoa!!!!

Wolfie
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Follow Up By: Glenn D - Monday, May 02, 2005 at 11:16

Monday, May 02, 2005 at 11:16
Coolant runs clockwise in southern hemisphere.
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Reply By: AndrewX - Saturday, Apr 30, 2005 at 21:27

Saturday, Apr 30, 2005 at 21:27
Davoe is quite right - No problems ever with factory fitted turbos - only aftermarket. But of course that applies to many after market products - they're produced by small, almost backyard operations and fail in service so often! Ask people about suspension failures, leaking long range tanks etc, etc .... I personally prefer to get a vehicle which is set up and capable when it leaves the factory instead of encountering the problems that drivers like Roachie have brought upon themselves. Sorry roachie.
AnswerID: 108999

Follow Up By: Member - 'Lucy' - Saturday, Apr 30, 2005 at 22:18

Saturday, Apr 30, 2005 at 22:18
Hot Damn!

at last we have finally found 'the' person who has the solution for Roachies, Trendy's and a whole host of other GU'S with - wait for it - OEM Factory fitted turbo's.

Why did you guys piff your - No problems ever with factory fitted turbos - and replace them with some almost backyard operation jobbie.

I respectfully suggest you drag those - No problems ever with factory fitted turbos - out of storage and refit them to your rigs and every thing will be sweet.

Bye
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Follow Up By: Exploder - Saturday, Apr 30, 2005 at 23:12

Saturday, Apr 30, 2005 at 23:12
My god that’s it people take you Bull Bars/ spotlight’s/ Air lockers, winch’s and other heaps of back yard produced shi* back it is all-inferior. (Sorry about that.)

Mate, I think you will find just about everything on a car is made by someone else, and I am 98% sure that the turbo on the 4.2 is not 100% made by Nissan.
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Follow Up By: muzzgit (WA) - Sunday, May 01, 2005 at 01:59

Sunday, May 01, 2005 at 01:59
Same as the turbo's. Aircon compressor, radio, lights, diffs, glass, seats, tyres, rims, carpet, bearings, hoses, glowplugs, spark plugs electronics etc;

All these bits on Toyota or nissan are made by other companies that specialise in these products. But they do the R&D to make it all fit and work as intended. (usually anyway)
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Follow Up By: Neall - Tuesday, May 03, 2005 at 23:33

Tuesday, May 03, 2005 at 23:33
"No problems ever with factory fitted turbos"..........
Overheating is a complaint readily experienced by both factory turbo'd and non turbo vehicles alike.
Even though R&D is performed and modifications made by the manufacturers before launching vehicles into our country, quite often due to our temperature extremes overheating and other temperature related complaints are experienced.
These complaints can sometimes be attributed to accessories and other times tuning related or other faults, factory fitted turbo or not.
I heard a 'rumour' that longer than expected R&D on the cooling system of a 'newly' released 4x4 factory turbo-intercooled ute was experienced... due to our conditions.
Most vehicles work fine in europe etc, but get pushed towards the limits when driven over here.
(the turbo fitted to the Nissan TD-42-t is made by Hitachi )
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FollowupID: 366159

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