Ford 2003 Mustang Workshop Manual page 501

12. Using the special tool, press the outboard CV joint until it is loose in the hub.
13. CAUTION: Do not over-angulate the outboard CV joint or damage the boot.
While lowering the knuckle, remove the CV joint from the hub.
14. CAUTION: The crown on the tool forks must face away from the axle housing.
Position the special tool correctly between the CV joint and the axle housing so as not to
damage the differential seal.
Using the special tool, exert enough pressure to overcome the circlip and separate the CV joint
(4K326) from the differential side gear.
15. CAUTION: Do not damage the differential seal.
Carefully remove the halfshaft (4K138) with both hands.
16. Install the special tool.