BucketTrucker688 Posted June 28, 2014 Share Posted June 28, 2014 i have heard a few different ways to service the mack rears,,,whats the proper way to do so on a rd tri-axle dump 4.64 gears...i just replaced the forward drive carrier and i have heard not to fill the top of the axle with oil that it gets thrown up to the top from the bottom with a sling gear...there would be a point then where this runs dry before the oil is slung up there...no? also is it ok to put the power divider in while moving or is it better to to this while completly stopped Quote Link to comment Share on other sites More sharing options...
Maddog13407 Posted June 28, 2014 Share Posted June 28, 2014 power divider lock? always best to engage it when the wheels are not spinning otherwise bad stuff can happen. 1 Quote Link to comment Share on other sites More sharing options...
j_martell Posted June 28, 2014 Share Posted June 28, 2014 i have heard a few different ways to service the mack rears,,,whats the proper way to do so on a rd tri-axle dump 4.64 gears...i just replaced the forward drive carrier and i have heard not to fill the top of the axle with oil that it gets thrown up to the top from the bottom with a sling gear...there would be a point then where this runs dry before the oil is slung up there...no? also is it ok to put the power divider in while moving or is it better to to this while completly stoppedUnless mack rears are fundamentally different from vendor rears, from what I understand, as long as the axles aren't slipping engaging at low speed will not hurt it....like diff locks, if they're slipping and you hit the lock, the shock load will potentially destroy the lockers and associated components...... 1 Quote Lack of planning on your part does not constitute an emergency on my part.... Link to comment Share on other sites More sharing options...
gearhead204 Posted June 28, 2014 Share Posted June 28, 2014 I say fill power divider first, then upper compartment of diff, then axle housing.as far as the power divider goes I always try to engage while coasting at low speed.now lets see what the experts say! 1 Quote Link to comment Share on other sites More sharing options...
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