Grand Marquis V8-4.6L SOHC VIN W (2005)
excessive pinion bearing preload. Tighten the pinion nut until the drive pinion bearing preload is in specification.
16. Place the differential carrier assembly with the new differential carrier bearing cups in the axle housing.
17. Install a differential bearing shim on the LH side.
18. NOTE: Apply pressure toward the LH side to make sure the left differential bearing cup is seated.
Install the LH differential bearing cap and loosely install the differential bearing cap bolts.
19. Install progressively larger differential bearing shims on the RH side until the largest differential bearing shim selected can be inserted by hand.