2016 CTD 2500 REAR DIFFERENTIAL QUESTION
I was looking at the window sticker from my 2016 CTD and I noticed it said I had the optional "Anti-Spin Differential Rear Axle". Ratio is 3.42. Does that mean I need to run the friction modifier in...
Forum Discussion
LIKE2BUILD wrote:CharlesinGA wrote:
I installed the aluminum Mopar cover on mine. ....pulled the axles and hubs and drained the fluid trapped in the hubs, cleaned and repacked the bearings in synthetic moly grease and put it all back together.
Never heard of packing outer axle bearings with grease. When servicing hubs I have either dipped the bearings in oil or lighted coated with grease during install, but that was just to be sure there was lube on them until the gear oil got out there. When running normal there should always be gear oil running over the outer bearings.
Cummins12V98 wrote:
" cleaned and repacked the bearings in synthetic moly grease and put it all back together. There was no grease left in the bearings, it had all been washed out."
WOW this is news to me! NEVER heard of packing a full floaters wheel/axle bearings. The gear lube is supposed to libricate the bearings.
Washed out? I say it was never there.
Not sure how the gear oil is expected to reach the hub bearings using stock fill levels. The gear oil level from one half inch below the fill hole, to the point where it can enter the hub area thru the spindle is about two inches of elevation, possibly a little more. That is STATIC. Watch the Banks Power videos and see how the fluid level goes down as the fluid circulates around the ring gear.
https://youtu.be/n4DQ-jzKQRw
https://youtu.be/09JsDorR6tw
https://youtu.be/0PMvVcsU3PE
https://youtu.be/9-yG3D3JBRs
My '03 Heavy Duty owners manual says to repack the rear wheel bearings any time the brake linings are replaced or the rotors are turned/replaced.
In my '03 factory shop manual, in the axle section for the 11.5 AAM axle, installing the hub bearings, it says to "pack the bearings with appropriate grease" prior to installation.
My '03 is the first year Chrysler used the AAM axle, as it is my understanding that Dana axles were used prior to this in the 2500/3500 trucks. I would have to communicate with AAM about this, but I don't think that AAM had any expectation of gear oil reaching the bearings, and certainly not enough to properly lubricate them.
Charles
