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GVM should be stamped on your VIN plate. Nissan don’t state a GCM so GCM = GVM + towing capacity which will be written on your vehicle somewhere.

Not Enough......

Tonks could possible be a boost leak close to the turbo as MudRunnerTD stated.

The main point of my post was for you to check and make sure that the exhaust manifold is not leaking at the head...

Yes i agree, a Boost Leak close to the Turbo will make a Hideous Noise.

It is not an exhaust manifold or failed gasket either side of turbo?

Different engine/turbo but my CRD produced a metallic squeal noise (like a fan blade against a metal cowl), at low revs/low...

Bidja put a different turbo on his CRD. It wouldn't be a real difficult job to do. Just time consuming. Buy all new studs too, for both manifold and dump pipe sides, with nuts. And gaskets of course.

Got the full size deflectors. No wind noise and can have the windows cracked. Only prob they make mirror work difficult. Pros and cons.

Edit, mostly passenger side mirror obstruction. Reversing...

Had the genuine slim Line tinted ones on both of my GUs. Work great never had issues.
The only gripe is... They might protect from wind and weather when window is slightly open.
But they...

You're right on that one as got hung up on a dry bog hole trench last trip and just squeezed out the door but had to climb back inside via the window, so yes the slim lines were an advantage.

Had both, prefer the slimline..... Especially when the car is bogged and you cant open the doors..... Only way out is the windows

Don't go too slimline as the water tends to drip inside the vehicle - found this out on my GQ and wished i had gone for a wider/deeper profile. No advantage on the move either as the wind is still...

EBay for the win. Search "Nissan Deflector"

http://www.nissanpatrol.com.au/forums/images/imported/2017/12/36.jpg

Sent from my SM-G955F using Tapatalk

G'day Tonks,
would you believe, when you key in 'engine oil' in the search panel at the top of the page, you get reams of irrelevant stuff. Dunno how that could be,,,,,but.
Try 'Caltex delo 400' ...

I've been using Delo as well mate. Last two services I used Magnatec 15w 40 because I found it hard to find Delo as well and to try something different.
Magnatec works fine.

Sent from S5

Straight from original Nissan hand book that came with my 2006 4.2TDi
Gearbox API GL4 SAE 75w85. Gearbox 3.5lt

The Haynes workshop manual advises SAE 75w90 API GL4

I am using Fuchs oils...