Sounds to me like your torque converter is having a little trouble unlocking when your coming to a stop. Try putting it in neutral when you are at about 20mph and rolling into a stop sign. If problem goes away, you have a bad transmission filter, front pump or a torque converter on the way out.
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2006 Jeep Liberty CRD LimitedGen2 Fuel Head - Magnaflow Exhaust - Ram transmission swap - In-Tank Lift Pump
Moab Wheels - 245/75/R16 LR E Cooper Discoverer AT3 Tires - OME Lift 790/90009 948/60069 - Etecno Glow Plugs - V6 Airbox
RUNNING B100Pic of my Jeep!