DIFF experts - (4runner ) question

Submitted: Thursday, Feb 16, 2006 at 16:49
ThreadID: 30839 Views:2093 Replies:3 FollowUps:2
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HI there -- very recenlty i have noticed diff noise when i am driving(91 4 runner sr5 v6 ) - this noise is the typical drive rain noise you here when your stting next to a pantec ( just the wer sound ) This noise is only there when under load -- and becomes obvious from about 80 Km onwards - any other time its almost silent - no grinding or cruncy sounds either

I did have a leaking pinion seal - so i have replaced that - and made sure that i put the crush nut on in the exact same possition that it came of from ( preload )

NOW - could it be the bearings are on there way out ? - how warm does the diff get when operating ? - took it for a one hour drive today and when i got home felt the temperature of the diff -- it was hot - to the point it was just barable to keep hand on ---- but only just ( at the case where bearing meet tailshaft ) so guessing 50 - 60 deg ?

Looked in archives -- but not much info on a tecnical level.... anyone help ?

Frank
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