Vehicle & Technical > Range Rover

Knocking,clonking crunching noise!!!!

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Jonny Boaterboy:
How do you describe a noise on Your Range Rover??? Any way, I have this noise which is getting worse, it starts off when I reverse, after going back a few feet there is a clonk, it feels like something jamming and then as the pressure increases it gives way i.e. a clunk, it sounds like it is coming from the rear Axel area. then as I drive off there is a tap/knocking noise that increases with road speed. I can get rid of it by stopping, reversing and pulling forward and then driving off, this seems to get rid of it until i have to reverse again

Any Ideas would be greatly received!!

Thanks

Jonny 

madhouse6:
Hi, I think if it was me i would remove the rear diff & check it out, it souds like the cross pin that holds the planet gears in place has broken, i wouldn't leave it to long either as if it fails you may be stuck!!!!!!!

Skibum346:
I'd agree with madhouse! Get the back end lifted and (with vehicle safely chocked) remove the handbrake and rotate the wheels... you'll probably hear the problem. Might want to check your UJ's on the propshaft while your at it.

If you don't deal with this quickly, it could lead to chunks of hardware being fired through the diff casing... go on... ask me how I know!

Skibum

J.D.:
As before the cross pin in the diff, or possibly the pinion bearing has collapsed in the nose of the diff.

Jonny Boaterboy:
Perfect thanks for the reply s, I have another 50 miles of steady driving to do today then it will be in the garage and I'll drop the diff off and have a look. Is it ok to use components like brit part to replace any items? or would you stick with genuine items for the diff? I only ask as most of brit part stuff is cheap and nasty (only in my opinion!) and I want a good strong reliable diff

Thanks

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