B2FG0BK1 - 406D9 AL4 AUTOMATIC GEARBOX

REMOVAL - REFITTING DRIVE SHAFTS

1 - REMOVAL

WARNING : the AL4 automatic gearbox is sealed for life; there is no need to drain the gearbox for this operation .

Use a wheel free lift, To make the operation easier .

Remove the wheels .

AL4 AUTOMATIC GEARBOX

USE TOOL [26] TO PREVENT THE HUB FROM TURNING .

IMPERATIVE : never apply the brakes to release the nut (3) as this risks shearing the disc bolts .

Remove :

the pin (1)
the lock nut (2)
the nut (3)

Right hand drive shaft :

slacken the nuts (4) (fully)

Turn the fasteners a quarter turn .

AL4 AUTOMATIC GEARBOX

Remove the nut (5) .

EXTRACT THE PIVOT BALL JOINT USING TOOL [27] .

Detach the swivel ball joint (USING THE TOOL [28]) .

Right hand drive shaft :

turn the steering to full right lock

Left hand drive shaft :

turn the steering to full left lock

AL4 AUTOMATIC GEARBOX

Detach the drive shaft from the hub .

Remove the drive shaft .

2 - REFITTING

Check :

there is no clearance in the joints (6)
the condition of the gaiters (7)
the bearing roller (8)

Rectify If necessary (Consult the brochure : "Drive shafts overhaul" ; Unit overhaul binder) .

Clean and coat with multi-purpose grease the splines of the hub and of the driveshaft on the wheel side as well as the splines of the sun gears of the differential and of the final drive end driveshafts .

Right hand drive shaft :

clean and coat with multi-purpose grease the outer bush of the bearing roller (8) and its housing in the right-hand lower engine mounting

When refitting the right hand drive shaft, check :

the presence and condition of the O-ring (9)
THE PIVOT BALL JOINT USING TOOL [27]
the presence of the dust cap (10)

AL4 AUTOMATIC GEARBOX

When refitting the left drive shaft, check :

the presence and condition of the O-ring (11)
the pivot ball joint

ALL MODELS

3 - TIGHTENING TORQUE(S)

AL4 AUTOMATIC GEARBOX

Drive shaft bearing nut : 1 da.Nm .

Drive shaft nut : 32,5 da.Nm .

Wheel bolts : 9 da.Nm .

Pivot bolt : 9 da.Nm ± 10% .