2003 Ford Crown Victoria Replacing C-clips

First, there is a tech bulliten on these axles have a look, if you dont use the new part numbers, you will do the work again.
AXLE - REAR AXLE SHAFT AND/OR AXLE BEARING PREMATURE WEAR TECHNICAL SERVICE BULLETIN Reference Number(s): 03-5-5, Date of Issue: March 17, 2003 Superceded Bulletin(s): 02-25-3, Date of Issue: December 23, 2002 Related Ref Number(s): 02-25-3, 03-5-5 ARTICLE BEGINNING DESCRIPTION AXLE - REAR AXLE SHAFT AND/OR AXLE BEARING PREMATURE WEAR - VEHICLES PRODUCED BEFORE 1/1/2003 ONLY ISSUE Some 2003 Town Car (except Limo and Hearse chassis), Crown Victoria and Grand Marquis vehicles produced before 1/1/2003, may exhibit rear axle shaft and/or axle bearing premature wear. This is caused by excessive load, temperature, and inadequate lubrication. ACTION To service, install Rear Axle Bearing Service Kit, Part Number 3W1Z-4A109-AA. Refer to the instruction sheet included with the service kit. PARTS INFORMATION PARTS INFORMATION WARRANTY INFORMATION WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage. WARRANTY INFORMATION FORD: 2003 Crown Victoria LINCOLN: 2003 Town Car MERCURY: 2003 Grand Marquis NOTE: This bulletin supersedes Technical Service Bulletin 02-25-3 dated December 23, 2002. Article 02-25-3 is being republished in its entirety to update the model line coverage. Part Number Part Name 3W1Z-4A109-AA Rear Axle Bearing Service Kit Operation Description Time 030505A Install Axle Bearing Service Kit 1.5 Hrs. Page 1 of 2 AXLE - REAR AXLE SHAFT AND/OR AXLE BEARING PREMATURE WEAR -200... 3/14/2009 Check your production date to see if it appies to yours,

Of course you need to pull that center pin the pull the spring out. Use the friction modifier with the new oil.