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GQ drivetrain noise?

Tech Talk for Nissan owners.

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Posts: 502
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GQ drivetrain noise?

Post by fnqcairns »

Got the opportunity to do some rockhopping over some river rocks today and the noise from somewhere in the drivetrain came again to my attention.

It makes this Grrr Grr sound when idleing (up to 1100rpm) along in 2wd or 4wd and anywhere over rocks it really gets noisy as the weight too and fro's along the drivetrain.

Does anyone know what this is? The drive train is really tight in this car as it has done next to no 4wding-was a mums taxi.

thanks

Cheers fnq
*JUST LUV IT* 96 GQ LWB TD4.2, Cav, Kings, Dobinsons, Motorguard, Enginesaver, 400 pro, Cooper ST's (rolls eyes), fleetguard oil filters, Delo 400 engine oil, Delo ESI gearbox oil and an RTC.
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Post by matthewK »

didnt bash the diffs, trans or motor really hard while u were out did ya?

when the noise is there which end of the 4by is it most sounding like to come from front or back?
1995 land rover disco on 265 muddies
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Post by ozy1 »

is it Petrol or Diesel?

evry TD42 i have ever heard orr road, or in a car park at low RPM, thends to make the same noise, i believe its more of a vibration.
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Post by meiamaro »

Hey mate,
mine does the same.and our old w/shop ute did aswell.
apparently common.
Only happens when you labour/chugg along.!
Cheers Ian.
GQ LWB TD42 Turbo,(ps.water does not compress.)
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Post by fnqcairns »

Mathew this car's underside has never seen the ground not even a touch! something that is bound to change :)
The noise is from around the general area of the front half of the gearbox.

Ozi1 it's a 4.2 diesel, yes it could be called a vibration but nothing is rattling to cause it except the engine. Yes same sound as in car parks but is VERY much louder slow over rocks.

Ian nice to know someone else who has it also(you know what I mean ;) ) Does yours get bloody loud at times? or stays at car park levels even off road?

Would love to know the mechanism.

cheers fnq
*JUST LUV IT* 96 GQ LWB TD4.2, Cav, Kings, Dobinsons, Motorguard, Enginesaver, 400 pro, Cooper ST's (rolls eyes), fleetguard oil filters, Delo 400 engine oil, Delo ESI gearbox oil and an RTC.
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Post by ozy1 »

yeah this sound is common to TD42's when labouring the engine in a big way, ive heard its best not to let it happen, there has been a thread about this before, but cant remember what it was called, so i wouldnt expect anyone to find it,
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Post by bogged »

standard noise
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Post by meiamaro »

Seem's to stay the same,or i've tuned out.
Was doing it up some hills last week.
You'll just have to go faster. ;)

Ian.
GQ LWB TD42 Turbo,(ps.water does not compress.)
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Post by Mick. »

I have a similar noise in my Patrol (auto petrol) but I just think its dirt and crap rubbing in the hand brake drum. :?

Cheers Mick.
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Post by BigQQQie »

All TD42 Do it standard noise, Don't Stress
91 GQ LWB
Td42, Safari Turbo,
4" OME lift, 33"Muddies
Snorkel, IPF'S, Dual Battery
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Post by BigQQQie »

All TD42 Do it standard noise, Don't Stress
91 GQ LWB
Td42, Safari Turbo,
4" OME lift, 33"Muddies
Snorkel, IPF'S, Dual Battery
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Posts: 139
Joined: Wed Sep 22, 2004 8:50 am
Location: NE VIC

Post by BOB_1 »

Is that the noise that sounds like a heavy vibration when labouring a bit, I spent the weekend under my GU trying to find that. I thought it might have been the tab things on the engine mounts vibrating together when the motor is labouring and vibrating a bit.

I did find the gearbox and transfer breathers hanging off, a loose exhaust mount and an ants nest on the ground though.
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Post by fnqcairns »

Ok I will stop worrying, what's good enough for a GU is good enough for my 10year old GQ.

Still I would luv to know what the mechanism on which part actually makes the sound :?

thanks for the replys,

cheers fnq
*JUST LUV IT* 96 GQ LWB TD4.2, Cav, Kings, Dobinsons, Motorguard, Enginesaver, 400 pro, Cooper ST's (rolls eyes), fleetguard oil filters, Delo 400 engine oil, Delo ESI gearbox oil and an RTC.
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