Purchasing a new GU 4.2TDI...

Submitted: Friday, May 07, 2004 at 16:36
ThreadID: 12681 Views:2329 Replies:12 FollowUps:15
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Hi one and all, well I have some money in my pocket and I'm ready to buy a GU patrol and a DX model at that. Just sold my TD42 GQ Patrol aftermarket turbo (sad day). In all honesty (yes truckster, I done the searches) what problems do you know of have occurred and re-occurred in the GU Patrol 4.2 diesel from 98 through to 04's model? The GU 4.2TDI is specifically what I'm going to get and know that it's just the 4.2TD with a 2.8 mini intercooler slapped on. What's everyones experience from mechanical to accesorries ie. big spots causing warming probs etc. It will be accessorised to the hilt. What have you done to make it better? I'm looking forward to your replies. And yes, I'm soon to become a member!!! Thanks for your help.

Cheers

Trol.
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Reply By: Member - Roachie (SA) - Friday, May 07, 2004 at 17:15

Friday, May 07, 2004 at 17:15
Trol,
Take a look at my rig pic and list of what i've added to get some ideas.
A few months ago I posted stories about how the old girl (2000 model T/D but not intercooled) was "over-warming".
I did the following things:
1.Moved the Lightforce 240s to the top of the bullbar (might move em back now)
2.Cut a hole in bonnett over turbo and added a GU scoop
3. Removed the plastic air dam under the radiator (since put back on)
4. Finally, I shelled out $300+ for a new fan clutch....problem solved.
I have read that it's not wise to put mesh in front of radiator to stop bugs etc. However, I'm about to go back to Narrandera next weekend to see family (about 1,000klm each way) and reckon I might add some shade cloth to stop the locusts which are in plague proportions at present.
The 4.2 went through a period where 5th gear was a weak point, but I reckon that's all been fixed now on the last couple of years' models.
AnswerID: 57634

Follow Up By: Trol - Monday, May 10, 2004 at 08:30

Monday, May 10, 2004 at 08:30
Roachie,

Yeah, saw those strings of yours. Got a set of the Blitz 240's so pretty keen to keep those in the bullbar and not on top, QLD coppers and transport don't like the lights up on top.

Was the fan clutch an aftermarket job or just a new genuine item. And your right, hope the 5th gear has been solved as towing a tonne probably will aggrevate the problem if it's still an issue.

Thanks for your help!

Trol
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FollowupID: 319682

Follow Up By: Member - Roachie (SA) - Monday, May 10, 2004 at 10:19

Monday, May 10, 2004 at 10:19
Trol,
Yeh, I finally got around to putting the 240s back down in their right spot yesterday. It makes me wonder though, cos Ron Moon (4x4 Australia writer etc) does a lot of interstate trips and he has a set of Lightforce HID's ($1150- each!!!!!!!) mounted on top of his bullbar as well as an "ordinary set of driving lights in the "normal" place. I wonder how he gets on in sunny qld???

Clutch was a genuine Nissan unit....I'd read too many stories about aftermarket ones not being worth the money. I now have the original one at home and plan to put three vials of Toyota clutch fan fluid into it when I think it needs doing again. Funny thing about that though is that the red-coloured thin rubber "O" ring is about 3/4" too long to easily fit back in the slot. I've actually cut that much out of it and rested it back in there until I get around to doing the job (could be 2 years before I bother).
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FollowupID: 319697

Follow Up By: Trol - Monday, May 10, 2004 at 11:13

Monday, May 10, 2004 at 11:13
Roachie,

Thanks mate, I'll keep that in mind if the problem does surface. Have you taken the truck for a run since putting the lights back in place in the bullbar?

Have you tickled the fuel pump or boost along with the 3 inch exhaust? What sort of HP and KW figures are you getting at the wheels considering your pulling all that weight around. Just had a look at your vehicles spec...very impressive!

Trol.
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FollowupID: 319703

Follow Up By: Member - Roachie (SA) - Monday, May 10, 2004 at 11:53

Monday, May 10, 2004 at 11:53
Trol,
No mate, I haven't been out on the open road since doing it yesterday. I don't think it should affect the motor's temp.

I had the injectors and timing done in Adelaide by HiTech diesel last year (1st October). The bloke was probably peeing in my pocket but reckoned it was one of the best GU's he'd had on the dyno.

The printout off the dyno he gave me shows the output at the wheels was 91kw and an AFR (fuel ratio?) of 18 to 19. I just phoned him to check those numbers before I posted this response and he said that a couple of 4.2s they've recently done were putting out 80 and 82kw. I can only assume that the extra kws that mine is showing is due to the 3" system.

Hope this helps.
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FollowupID: 319712

Follow Up By: Trol - Monday, May 10, 2004 at 13:03

Monday, May 10, 2004 at 13:03
Roachie,

Not bad, bit of a rocket ship then...Sounds like the 3 inch is the way to go.

Thanks for your help, I'll post a message to you if I need any help in the future in regards to GU's.

Cheers

Trol.
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FollowupID: 319725

Reply By: Member -Bob & Lex (Sydney) - Friday, May 07, 2004 at 17:21

Friday, May 07, 2004 at 17:21
As Roachie said the only thing I have read about is 5th gear going but only if towing & lagging motor to much in 5th.
AnswerID: 57635

Follow Up By: Member - Roachie (SA) - Friday, May 07, 2004 at 17:24

Friday, May 07, 2004 at 17:24
G'day Bob,
How's things going with you and your truck at the moment? Any joy?
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Follow Up By: Member -Bob & Lex (Sydney) - Saturday, May 08, 2004 at 14:51

Saturday, May 08, 2004 at 14:51
Just waiting for Mr nissan to send new donk, will call dealer again mon & try to get a time of return but I can't see it back before June
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Reply By: Member - Raymond - Friday, May 07, 2004 at 18:19

Friday, May 07, 2004 at 18:19
Hi Trol
I have a 2002GU Ute.
5th gear problem was fix in 2001, now no problem
My Ute had a fuel pump problem, after being replaced found that the camper needed better earthing as the earth was returning through pump.
Great vehicle no problems with overheating.
Ray
AnswerID: 57648

Follow Up By: Trol - Monday, May 10, 2004 at 08:32

Monday, May 10, 2004 at 08:32
Raymond,

Have you played with the donk a little ie. fuel up and increase boost or still standard. Interested to find out if Nissan Warranty will at least allow me to fit 3inch exhaust.

Cheers mate,

Trol.
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Reply By: sean - Friday, May 07, 2004 at 21:16

Friday, May 07, 2004 at 21:16
I have a 2003 4.2 wagon.

Aftermarket springs and shocks made a big difference to ride comfort and improve clearance. Full synthetic oil lifted economy about 5%. Snorkel keeps the dust out. They are the mods I have found best.

Definately need plates to protect the lower part of the radiator both from front and below.

I reckon a long range tank is needed to boost range.

Sean
AnswerID: 57671

Follow Up By: Trol - Monday, May 10, 2004 at 08:34

Monday, May 10, 2004 at 08:34
Sean,

Thanks for your reply.

Will be fitting a new 5inch dobinson kit to the truck as long as Mr Nissan Warranty allows it along with all the relative adjustable pan hard rods and drop down caster plates. Did you put the elliptical bushes in or the plates?

As for the plates, do you mean a angled basher plate mounted from the bottom end of the bullbar to under the chassis? Does that affect cooling?

Cheers mate,

Trol.
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Follow Up By: sean - Monday, May 10, 2004 at 14:35

Monday, May 10, 2004 at 14:35
Trol

I had 2-3 inch lift only.

As for the bash plate, look under the front of a 4.2 and you will see that the radiator drops right down. It has a bash guard but sticks can still be directied through the gaps into the radiator. Also look straight in to where the winch sits. The radiator is completely exposed to anything that comes through this gap. It is vulnerable to damage and is nowhere as good as the setup on the 3 litre.

I should have also mentioned window tinting. On a hot day the inside is no hotter than the outside.

Sean
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FollowupID: 319737

Reply By: Andrew - Friday, May 07, 2004 at 22:30

Friday, May 07, 2004 at 22:30
Have a look at the pix on the homepage at www.patrol4wd.org of the update to the GU Patrol. Apparently its due here in september or October. I'd wait and either buy the current model when they are in runout mode or get the new one to avoid a drop in resale.
AnswerID: 57686

Reply By: Steve Mc - Saturday, May 08, 2004 at 19:12

Saturday, May 08, 2004 at 19:12
Hi Trol Have a 2003 4.2Tdi ST Wagon and are very happy with it, had no probs doesn't get hot with the 4.8 radiator in it. Had a 2" lift kit fitted & both Long Ranger Tanks fitted 147 & 70ltrs makes a difference, its done 16,000ks & is getting better all the time a 3" pipe & some playing around with the aneroid valve while its on the dyno will get this thing humping.13-14lts to 100ks is the norm. This is our 6th 4.2 Patrol & you just cant beat simplicity while you are living and working in the bush.
AnswerID: 57752

Follow Up By: Trol - Monday, May 10, 2004 at 08:36

Monday, May 10, 2004 at 08:36
Steve,

Interested to hear specs that you got from GU TDI off the dyno at the rear wheels? Did fueling and boosting affect heating, or did 4.8 radiator solve that problem?

Does Nissan mind the 3inch pipe in regards to warranty?

Thanks for your help mate,

Trol.
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FollowupID: 319685

Reply By: Steve Mc - Saturday, May 08, 2004 at 19:13

Saturday, May 08, 2004 at 19:13
Hi Trol Have a 2003 4.2Tdi ST Wagon and are very happy with it, had no probs doesn't get hot with the 4.8 radiator in it. Had a 2" lift kit fitted & both Long Ranger Tanks fitted 147 & 70ltrs makes a difference, its done 16,000ks & is getting better all the time a 3" pipe & some playing around with the aneroid valve while its on the dyno will get this thing humping.13-14lts to 100ks is the norm. This is our 6th 4.2 Patrol & you just cant beat simplicity while you are living and working in the bush.

Cheers Steve
AnswerID: 57753

Reply By: joc45 - Sunday, May 09, 2004 at 09:06

Sunday, May 09, 2004 at 09:06
Got a 2000 series I, had the turbo replaced the other day (oil leak) at about 90,000. Glad I had the extended warranty. Never had any overheating probs, think the gearbox 5th probs mentioned were with early series II.
Main grizzle is all the plastic and shoddy service from dealers (going to look for a non-Nissan place for servicing till warranty is run out, then do it myself).
Gerry
AnswerID: 57807

Follow Up By: Trol - Monday, May 10, 2004 at 08:38

Monday, May 10, 2004 at 08:38
joc45,

Hey mate, have you done some hard work in the truck, where was the oil leak?

Heard about crappy service from Nissan, not much we can do I guess apart from having it done non nissan.

Cheers mate,

Trol.
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FollowupID: 319686

Follow Up By: joc45 - Monday, May 10, 2004 at 23:20

Monday, May 10, 2004 at 23:20
Trol,
Oil leak was coming from somewhere inside the turbo - I couldn't locate the exact source. Not a great deal of oil, but Nissan decided to replace it with a new one, no quibbles. Last year, the engine had sucked dust, attributed to previous slack servicing - not sure if that was the cause of the subsequent oil leak.
The vehicle never tows anything, only fully laden with roof rack, generally 100-110km/h. Despite a bull bar with a winch (cuts the airflow), haven't had any overheating in 40deg heat.
Gerry
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FollowupID: 319844

Reply By: Steve Mc - Monday, May 10, 2004 at 10:05

Monday, May 10, 2004 at 10:05
Trol Haven't fitted the 3" pipe yet, it will happen though they say 15 to 25% difference I want to be there when they dyno it, will be interesting to watch.
The 4.8 radiator is standard in the TDI 4.2 as for nissan warranty and dealers there not worth a pinch of SH 1 T. I do all my own servicing better than having apprentices that dont give a rats ass & dont know what they are looking for.
So a 3" pipe shouldn't make any difference to warranty plus if you buy a 4.2 I doubt you will get any major warranty probs. Not like the 3ltr that has annoying little things popping up???
Cheer Steve

AnswerID: 57948

Follow Up By: Trol - Monday, May 10, 2004 at 11:16

Monday, May 10, 2004 at 11:16
Steve,

Rightio, well, I have heard of one Nissan dealership that's pretty good in QLD so I may even buy the GU from there.

Thanks for your help mate,

Trol.
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FollowupID: 319704

Reply By: Steve Mc - Monday, May 10, 2004 at 13:21

Monday, May 10, 2004 at 13:21
Hi Trol If u find a good dealer that gives great service your a mile in front but Ive had several bad experiences and shouldn't paint them all with same brush. Long distances travelled to have a job half done or the oil light coming on & finding the filter hanging by a thread leaves a bad taste in your mouth.

Best of luck with your purchase Steve (P.S)

Motsons in Coopers Plain QLD do the 3" & aneroid adjustment, dyno,$1265
AnswerID: 57969

Reply By: peck - Monday, May 10, 2004 at 16:41

Monday, May 10, 2004 at 16:41
I've got a 2000 model. 5th gear gone, locking hub gone, bullbar fell to pieces, rear spring towers cracked and tore chassis but otherwise rides good. Should be great vehiclce if 1. It is never loaded, 2. never driven off bitumen or on rough roads. DO NOT FIT ANY REAR SUSPENSION AIDS TO REAR COIL SPRINGS!!! such as polyair, heavier springs etc to increase ride height (rear end drags on ground when fully laden) as Nissan will void warranty.

Good luck!
AnswerID: 58000

Follow Up By: Trol - Tuesday, May 11, 2004 at 11:21

Tuesday, May 11, 2004 at 11:21
Hi Peck,

So you've had a fair amount of experience with Nissan Warrantys? What have you heard they don't like?

Cheers

Trol.
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FollowupID: 319871

Reply By: peck - Tuesday, May 11, 2004 at 14:37

Tuesday, May 11, 2004 at 14:37
Trol
Its been my experience Nissan don't like any claims (not suprising!). The difference is of course they're like insurance companies - they'll look for any excuse not to pay up! Any modifications gives them an out ... so be careful!
Regards
peck
AnswerID: 58156

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