noises

craig fitzpatrick · Apr 8, 2010

on the weekend i was doing a far bit of 4x4 and noticed bad noises going down very steep hills in low range when i let it run above 2000rpm sounds like griding noises doesnt do it going uphill could anybody have an idea what it could be

Old.Tony · Apr 8, 2010

Hey Craig,

Are we talking diesel or petrol? Manual or auto?

A diesel manual might just be engine braking. Is the "grinding" a high pitched squeal or a low pitched grumble?

Dion · Apr 8, 2010

I'm going to assume you've got a diesel, and therefore a manual. Could be a buggered thrust bearing - switch from drive to overrun (uphill to downhill) and you change the thrust direction of the helical cut gears in the gearbox/transfer, and you pressure a different set of thrust bearings.

craig fitzpatrick · Apr 10, 2010

diesle manual yer it sounds like grinding like a low grumble type noise or gears not meshing

noises

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noises

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