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Just an update for those that helped out. I dropped all drive train fluids (again haha) and went with Gulf Western (Australian) full Synthetic 80w90LS across all components (talked to their tech department first to confirm suitability). I can confirm that running 80w140 does impact...

It's sapping 1 of my 3 horsepowers haha Yes cold doesn't make it go faster like it did on many previous turbo cars. I put it down to engine air density vs fuel, ie air increases, fuel doesn't, on a diesel not gonna help power I guess if i was rich could put a 90ish grade full synth in the...

Oh, on another note how much does drivetrain oil type affect performance (and intern fuel)? I ask as since going to 85w-140 hills that use to hold speed now loose speed. Only change is oil grade

Asep, Interesting you've got the same thing going on. Sounds like it's doing your head in. Did the rear Uni's tonight and also pulled the front shaft which needs a new slip joint. While appart I spun it up to 90 in 5th and used the handbrake for load. The Whine could be heard so 100% not the...

Diff play seems very minimal.

I put 85-140 in the transfer and I think it's less prounced, haven't driven for hours straight yet though. Going to out the same in the diffs. I haven't drained the gearbox oil. It's always had a whine since I got it, drained fluids then near 1 year ago and all were very good. But yes makes...

Cheers for the reference point.

It's a SWB so not centre bearing, transfer straight to diff. ?

Yes I thought it looks pretty good. Now I've got 85-140 in it, is that a problem if it's good? Spec is SAE90. On stands I got under the back and the noise was so pronounced in the middle of the truck, it just didn't seem to be from the diff. The gearbox bloke recons once on stands with...

A bit of an update on this. I pulled the inspection plate and to me it all looked really good, almost new. No bits came out on drain, the year old oil looked really good, and magnet had only a small amount of filings, hardly noticable. I couldn't pick up any side load play or any wiggle play...

Thanks for the guide, I'll inspect on the weekend. When I changed the fluids after purchasing all were pretty clean and nothing on the magnets. I put in Penrite 75w-90 Trans Gear in it (Gearbox too, I went of what guides indicated to put in). This sounds like it is probably too thin. It's...

That's not a bad idea, I've seen that big inspection plate. Will I need to drop the fluid before taking that plate off?. I talked to a gearbox/diff shop today and the bloke said that it won't be the gearbox if it's the exact same in 4th and 5th and thought it would be most likely the diff...

Thanks for the input guys. I'm hoping it's just helical cut gears in the transfer that I now notice more. I did a bit of testing and it's only apparent with load against the motor, either in acceleration or deceleration. So clutch in it does nothing, Clutch out and in in Netural does...

Cheers, while it stops with no load (clutch in) I'll certainly try neutral on the box and transfer and see.

I put these in my tech thread but figured they'd fit here nicely :) Holes look much smaller way up in a cab over. The rear left wheel lifted when I winch back out and slacked the winch for a period. The truck wasn't stuck, I just didn't want to drag the fibreglass body through anymore. Rear...

My old FG434 (340,000km) has a constant drivetrain whine, increases with speed so not that noticeable at lower speeds but is apparent in 4th and 5th, occurs during both on decel and acceleration, will shut up for a period in between that load, stops completely with the clutch in but will start...

I too have and R50 Pathfinder down here in Aus. Great vehicles the last of the Japanese build Nissan 4x4s. Mine has 360,000km on it and zero oil leaks, smoke or or usage. Ive given it a hard time on adventures and it just keeps going. Mates with late model dual cab common rail diesel utes have...

Interesting Idea re splitting and welding (or 252 Sika may work) . After the mission I had would certainly try if they got damaged again. Also I like the guard ideas, didn't realise n6 series had a factory option. Gait, your orange ones steel or ally?

I recently did this on my Canter. Certainly way more effort than getting to a CV (ie shaft out) in a IFS fourby I'm use to working. You do have to pull off the entire hub assembly to get to it, which sucks a bit. Given this effort I'd factor replacing anything that's a little bit sus while...

Hi, I'm wondering if anyone could shed some insight on this one. The old school mechanical Injection pump on my FG (4D31 motor) has a bit of a weep out of the throttle shaft seal. On first inspection it appears this is a metal outer seal pressed into the captive nut with an inter rubber race...