weird noise in reverse and coming back through gears

2greedy · Feb 7, 2012

Hi guy's

I have a 05 D22 navara ZD 30 and it has weird noise when under load in reverse or coming down through the gears hard.

It's like something is vibrating or growling? clutch isn't slipping! and only does it in reverse under load or when coming down through the gears hard?

any idea guy's? it has had this for months and nothing has broke yet but it is worrying me.

Old.Tony · Feb 7, 2012

I wonder if it's just engine braking.

Mine (even though it's an auto, I can select a lower gear!) makes a growly sound as I'm going down a hill.

Does yours sound like it's coming from the engine, or from further back? It could be backlash in the diff, if it sounds like the diff, get some fresh oil, change it and look for metal particles in the oil that comes out.

2greedy · Feb 8, 2012

yea mate sounds further back, nearly sounds like if you had 2 clutch plates and they were spinning against each other but trying to bind up at the same time? i know me vehicles but never heard a sound like this?

Old.Tony · Feb 8, 2012

You actually do have that (clutches) in your diff. The wrong oil in a LSD could cause issues, the oil has to be specifically for a limited slip differential.

Who did the last service on the diff? Did they get the oil right or did they just drop gearbox oil in it?

It might be worth changing that oil out with the right stuff and seeing if the problem goes away.

2greedy · Feb 15, 2012

hi old.tony
the diff has never had the oil changed since iv'e had it and iv'e had it from 42000k's

albatross · Aug 7, 2012

Bit of a old thread revival, but did you discover the problem as mine seems to be having the same thing. Didnt start untill I had to do a big back up along a slippery overgrown track hear in tas for about 5 min, havent been able to work it out. Doesent feel like rear diff, but somthing up the front just behind the engine.

2greedy · Aug 9, 2012

albatross said:
Bit of a old thread revival, but did you discover the problem as mine seems to be having the same thing. Didnt start untill I had to do a big back up along a slippery overgrown track hear in tas for about 5 min, havent been able to work it out. Doesent feel like rear diff, but somthing up the front just behind the engine.

No m8 still haven't solved it, but if you do please let us all know as i will you if i find out what it is.

jaymac90210 · May 5, 2013

I too am having a similar problem if I'm reversing up a steep driveway and makes a shocking loud noise under load

jaymac90210 · May 7, 2013

Hatchy · May 7, 2013

Sounds like diff

4x4 ST-R · May 7, 2013

Could also try seeing if anything is vibrating against the chassis or something. I had a noise that would only happen at a certain rev and taking off. Ended up being a loose exhaust mount, but it sounded a lot worse than just than. Sounded like gears crunching to me.

ant · Oct 30, 2014

Old thread but just wondering if you ever ended up sorting this out. Mines doing something that sounds identical to this at the moment. Had a clutch/gearbox mech take it for a drive today and he thinks it may be clutch but not sure. Sounds like its coming from front left wheel to me.

Iceman · Oct 31, 2014

I had a similar horrid grinding, growling noise for ages. Replaced loads of shit but turned out to be the tyres in the end. Worth a try.

Iceman · Oct 31, 2014

Try driving it on a soft surface, grass or sand, if it goes away its the tyres

ant · Oct 31, 2014

Nah pretty sure its not tyres. Thought it may have been a CV or Hub issue, so I decided to make a quick video to try and pinpoint it, but seeing as it does it in 2wd and 4wd, and the CV really doesnt do much in 2wd I think I have ruled that out. Have a bit of a watch and see if any one has any ideas.

http://youtu.be/pvvh_W_dsnU

Iceman · Oct 31, 2014

Defo sounds like something rubbing or rattling. Have you had a look at the engine mounts? Seems to be related to engine revs? Also seemed to be doing it when stationary

ant · Oct 31, 2014

Not sure about engine mounts, will have to check them out. When I was stationery I was actually reversing up my steepish driveway but I was stationery as I was holding the clutch right on the balance point.

Hatchy · Nov 1, 2014

That's your exhaust hitting something.

ant · Nov 3, 2014

Think I found it. Popped the bonnet on Friday arvo to check oil etc only to find the bonnet support rod had broken the plastic clip that holds it and it was now laying across the engine bay, obviously rattling on everything possible. Im not sure if thats what it was for sure, but since resecuring it on Friday and doing a few k's over the weekend it hasnt done it again since. Touch wood thats all it was. Thanks again all for your help trying to diagnose it.

Old.Tony · Nov 3, 2014

Glad to hear it's fixed, but holy mother of ... dunno how any of us could have figured out or predicted that one!

weird noise in reverse and coming back through gears

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