I have had the untimely problem of a clutch disc in the rear (govlok?) posi coming apart.The ring and pinion are still good,and I don't want to ruin these. It is the factory unit and now I don't know what to do.Let me preface this with the fact I am broke,so I need the least expensive fix here.Can I fix the posi that is in there?Can I remove it completely?I don't care if it is then an open diff.I just need it fixed FAST!Can I buy a different posi unit to put in there?and lastly Can a guy with moderate mechanical skills acomplish any of these?I am not a complete hack,but also not a master tech.Thank you all for any help.I REALLY need it.