6

Ensure that the retainer ring (5) is
installed correctly on the right hand
flange (1) – Fig. 11.

Fig. 11

5

Fig. 12

 Clean the seats of the Corteco seal rings
thoroughly with a lint-free cloth – Fig. 12.

1

18
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 Using the rubber hammer and bushing AV
8608 (95978608) with the relative
smaller diameter collar, insert the new
Corteco seal ring (6) into the specific LH
side seat of the gearbox – Fig. 13.

Fig. 13

6

AV 8608

 Using the rubber hammer and bushing AV
8608 (95978608) with the relative larger
diameter collar, insert the new Corteco
seal ring (6) into the specific RH side seat
of the gearbox – Fig. 14.

Fig. 14

6

AV 8608
Fig. 15

 Check that the Corteco seal rings are
installed correctly (6) in their seats – Fig.
15.

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 Fit the new left hand flange in its seat (7),
connecting it on the differential – Fig. 16.
Note: When inserting the LH flange (7),
take particular care that the splines
on the flange do not damage the
Corteco seal ring (6).

 Fit the new right hand flange in its seat
(1), connecting it on the differential – Fig.
17.
Note: When fitting the RH flange (1),
take care that the grooves on the
flange do not damage the Corteco
seal ring (6).

Fig. 16

6

7

Fig. 17

1

6

Fig. 18

 Using a rubber mallet, secure the RH
flange (1) in its relative seat – Fig. 18.

20
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 Select the new screw (2) with a new
washer (3) for fastening the flanges – Fig.
19.

Fig. 19

2

3

 Apply Loctite 270 to the thread of the
new screw (2) – Fig. 20.

Fig. 20

2

21
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 Hand-tighten the new screw (2) on the
RH flange – Fig. 21.

Fig. 21

2

 Using a calibrated and certified torque
wrench, tighten the new screw (2) to a
torque of 42 Nm – Fig. 22.
Note:

Restrain
the
LH
flange
appropriately to prevent it from
rotating when tightening this screw.

 Fit a new rubber cap on the right
differential flange – Fig. 23.

Fig. 22

2

Fig. 23

22
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 Check that the endfloat of each flange in
the indicated position is 3-5 mm – Fig.
24.

Fig. 24

 Refit the complete rear suspension assemblies (as described in the Workshop Manual).
 Once the procedure is complete, preferably test drive the vehicle for ~6 miles, and check
for leaks from the replaced components after returning to the workshop.
Replacement of gaskets on differential casing
 Remove the complete DCT gearbox from the vehicle (as described in the Workshop
Manual).
 For the Ferrari California, FF and F12berlinetta, remove the RH heat shield (as described
in the Workshop Manual).
 Remove the RH differential flange as described in the step Replacing differential Corteco
seal rings and flanges.
 For the 458 Italia, 458 Spider, FF and F12berlinetta, remove the E-DIFF pipe as
described in the step Replacing the E-DIFF
pipe.
Fig. 1
 Undo the eleven differential cover fastener
screws (1) – Fig. 1.

1

23
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 Screw the two pins AV 8607 (95978607)
into the two opposite holes on the cover –
Fig. 2.

Fig. 2

AV 8607

 Using a lever (2) applied in the indicated
position, remove the differential cover (1)
– Fig. 3.

1

Fig. 3

1

Note: There may be some spillage of
residual oil when detaching the
differential housing; take
all
necessary precautions to limit and
collect the spillage.
2

For Ferrari California ONLY

Fig. 4

 Separate the differential cover (1) from
the gearbox – Fig. 4.

1

24
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Using a rubber mallet, separate the cover (1),
complete with differential, from the gearbox –
Fig. 5.

Fig. 5

Note: retrieve the shim between the cover
and the differential casing, if present.

Carefully clean the differential cover seat with
a lint-free cloth – Fig. 6.

Fig. 6

1

Remove the seal (3) from the differential
flange mating surface on the gearbox – Fig.
7.

Fig. 7

3

25
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 Remove the O-ring (4) then carefully clean
the mating surface of the differential cover
(1) with a lint-free cloth – Fig. 8.

Fig. 8

4

1

 Fit a new O-ring (4) on the differential
cover (1) then lubricate the O-ring – Fig.
9.

1

4

Fig. 9

 Install a new O-ring (3) on the differential
cover mating surface on the gearbox, then
lubricate – Fig. 10.

Fig. 10

3

26
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 When fitting the differential cover (1)
align the indicated reference notches –
Fig. 11.

1

Fig. 11

 Pre-fit the differential cover (1) in place,
then bring it closer by hand-tightening the
eleven fastener screws indicated in a cross
pattern – Fig. 12.

Fig. 12

1

Note: if thread lock is not already applied
to the new screws, apply Loctite 243 to
their threads.
 Tighten the eleven screws to a torque of
34 Nm in a cross pattern – Fig. 12.

 For the 458 Italia, 458 Spider, FF and F12berlinetta, refit the E-DIFF pipe as described in
the step Replacing the E-DIFF pipe.
 Refit the RH differential flange as described in the step Replacing differential Corteco
seal rings and flanges.
 Perform the procedure for pressurizing the system as described at the end of this
document.
 For the Ferrari California, FF and F12berlinetta, refit the RH heat shield (as described in
the Workshop Manual).
 Refit the complete DCT gearbox in the vehicle (as described in the Workshop Manual).
Note: When refilling the GL oil and ATF fluid and inspecting the relative levels, replace all
the oil/fluid plugs and the relative seals removed during the described procedures.
27
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 Once the procedure is complete, preferably test drive the vehicle for ~6 miles, and check
for leaks from the replaced components after returning to the workshop.
Replacing the ATF oil filter
 Drain the DCT F-3 ATF oil from the hydraulic clutch system (as described in the Workshop
Manual).
 Remove the hydraulic clutch system pipes from the gearbox oil heat exchanger (as
described in the Workshop Manual).
 Undo the indicated screws fastening the
heat shield (1) – Fig. 1.

Fig. 1

2

 Undo the screw fastening the retainer
pillory block (2) – Fig. 1.

1

 Undo the indicated screw/nut fastening
the heat shield (1), then remove from the
vehicle – Fig. 2.

Fig. 2

1

28
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 Undo the indicated screw on the retainer
pillory block (3) – Fig. 3.

Fig. 3

3

 Remove the LH axle shaft heat shield (4),
undoing the three screws indicated – Fig.
4.

4

Fig. 4

Clean the area surrounding the fastening
points of the clutch hydraulic system pipes
on the gearbox thoroughly with a suitable
degreaser that does not leave residue – Fig.
5.
 Place a suitable container underneath to
collect the clutch hydraulic system fluid –
Fig. 5.

6

5

 Undo the indicated screw then remove the
fork (5) – Fig. 5.
 Disconnect the clutch hydraulic system
fluid pipes (6) from the gearbox and plug
immediately – Fig. 5.

Fig. 5

29
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 Move the clutch hydraulic system pipes (6)
away from the front of the oil filter, using
caution to not bend the pipes themselves –
Fig. 5.

Fig. 6