Heavy Throttle Liftfoot Clunk-Tip In/Tip Out Clunk

Symptom:
* HEAVY THROTTLE LIFTFOOT CLUNK-TIP IN/TIP OUT CLUNK

POSSIBLE CAUSES
ENGINE MOUNTS
EXHAUST SYSTEM NOISE
STICKY TPS (TRANSMISSION WILL NOT UPSHIFT OR UNLOCK TCC)
HIGH DRIVELINE BACKLASH- HIGH SPLINE CLEARANCE ON DRIVESHAFT(S)- FAILED DIFFERENTIAL PINION PIN- LOOSE TRANSMISSION MOUNTS- DEFECTIVE HALF SHAFTS