 Fit the new E-DIFF pipe (3) in the relative
seat on the gearbox, taking particular care
not to bend or damage the pipe – Fig. 6.

3

Fig. 6

 Fit the two new seals as indicated, then
hand-tighten the new union (16) – Fig. 6.
Note: The indicated seals have a bevelled
edge on one side (A) and a rightangled edge on the other side (B);
The side with the bevelled edge
(A) MUST be the side in contact
with the pipe (3).
 Repeat the procedure on the other end of
the E-DIFF pipe (3) – Fig. 6.

16

A

B
Fig. 7

Fit the clamps indicated by the red arrows on
the E-DIFF pipe (3), then tighten the
respective screws – Fig. 7.

3

 Tighten the unions indicated by the yellow
arrows to a torque of 8 Nm – Fig. 7.

 Fit the clamp (4) on the pipe, then fit the
mounting bracket (5), fastening by
tightening the indicated screw to a torque
of 8 Nm class B – Fig. 8.

Fig. 8

4
42
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Ferrari North America

 Fasten the heat shield (2), tightening the
indicated screw– Fig. 9.

Fig. 9

2

Fasten the heat shield (2) by tightening the
two screws indicated – Fig. 10.
 Tighten the indicated screw on the clamp
(4) to a torque of 8 Nm class B – Fig. 10.

3
2

 Fasten the clamp (3) on the cooling pipes,
tightening the nut indicated by the red
arrow to a torque of 8 Nm class B – Fig.
10.

4

Fig. 10

 Fasten the RH heat shield (1) onto the
axle shaft, tightening the indicated screws
– Fig. 11.

Fig. 11

1
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Ferrari North America

 Fill the system with Shell Transaxle 75W-90 GL5 gear oil (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.
Replacing air breather caps
 For the 458 Italia, 458 Spider, 488 GTB, 488 Spider, 488 Pista, 488 Pista Spider and
F8 Tributo, open the engine compartment lid to access the caps.
 For the Ferrari California, FF, F12berlinetta, 812 Superfast, GTC4 Lusso, GTC4 Lusso
T, Monza SP1, Monza SP2 and Portofino, remove the removable gearbox carrier
subframe from the vehicle (as described in the Workshop Manual).
 Remove the plugs from the relative
breather orifices and replace – Fig. 1.

Fig. 1

 When refitting the plugs, check that they
are securely fastened – Fig. 1.



For the Ferrari California, FF, F12berlinetta, 812 Superfast, GTC4 Lusso, GTC4 Lusso
T, Monza SP1, Monza SP2 and Portofino, refit the removable gearbox carrier subframe in
the vehicle (as described in the Workshop Manual).
System pressurization procedure
The system pressurization test described as follows must be performed before starting the
procedure.

44
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- IMPORTANT The utmost cleanliness must be maintained during all the following operations; always
wear clean gloves, replacing them as needed, and use absorbent lint-free cloth and
heptane to clean and degrease components.
When performing any of the above procedures with the gearbox on the workbench, before
reinstalling the gearbox in the vehicle and filling the gearbox with oil and fluid, the gearbox
systems must be pressurized.

- IMPORTANT This procedure must only be performed with the gearbox completely empty (containing
no oil or fluid).

GEAR OIL SYSTEM
 Remove the gear
indicated – Fig. 1.

oil

breather

plug

 Install the tool AV 8612 (95978612),
consisting of a plug with relative O-ring
and a bracket fastened with the indicated
screw, in the GL oil system breather – Fig.
2.

Fig. 1

AV 8612

45
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Ferrari North America

 Seal the indicated GL oil inlet and outlet
orifices on the gearbox with the gearbox
pressurizing tool AV 8604, and then
fasten by tightening the indicated screw –
Fig. 3.

AV 8604

Fig. 3

Note: The open plug (1) must be fitted in
the orifice on the gearbox marked “IN”.
 Connect the pressurizing system to the
plug (1) – Fig. 3.

1

 Pressurize the system to a maximum of
0.5 Bar.
 Keeping the system pressurized, test the
seal of the replaced parts around joints/seams/gaskets/seals using bubble testing liquid.
 After testing, remove all residue of bubble testing liquid from the gearbox with a clean, lintfree cloth.


Once the procedure is complete, remove the gearbox pressurizing tools AV 8604 and AV
8612.

 Refit the indicated breather plug – Fig. 4.

Fig. 4

46
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ATF HYDRAULIC CLUTCH SYSTEM

Fig. 5

 Remove the hydraulic clutch system oil
breather plug indicated – Fig. 5.

AV 8612

 Install the tool AV 8612, consisting of a plug
with relative O-ring and a bracket fastened
with the indicated screw, in the ATF oil
system breather – Fig. 6.

Fig. 6

Fig. 7

 Seal the indicated ATF oil inlet and outlet
orifices on the gearbox with the gearbox
pressurizing tool AV 8604, and then fasten
by tightening the indicated screw – Fig. 7.

2

Note: the open plug (2) must be fitted in the
orifice on the gearbox marked “IN”.
 Connect the pressurizing system to the plug
(2) – Fig. 7.
AV 8604

47
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 Pressurize the system to a maximum of 0.5 Bar.
 Keeping the system pressurized, test the seal
joints/seams/gaskets/seals using bubble testing liquid.

of

the

replaced

parts

around

 After testing, remove all residue of bubble testing liquid from the gearbox with a clean, lintfree cloth.
 Once the procedure is complete, remove the gearbox pressurizing tools AV 8604 and AV
8612.
 Refit the indicated breather plug – Fig. 8.

Fig. 8

Thank you for your co-operation.

48
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Diagnosis Form for DCT gearbox oil leaks

Page 01 of 05

Model

Updated on

October 2019

As mentioned previously, when opening the ROL, photographs must be taken of the leak as
described as follows and attached to the ROL:
 A PHOTO of the leak on the gearbox and a PHOTO of the flat undertray, if fouled
with oil;
 Clean the leak area thoroughly with heptane and lint-free clean cloths;
 Apply leak detection powder to the area of the gearbox where the leak was noted;
 Test drive the vehicle for ~6 miles;
 Check for the leak again upon returning to the workshop. If the leak still exists, take
another PHOTO of the leak.
Oil leaks from Corteco seal rings/differential flanges

Fault

Procedure
Fig. 1

Oil leaks from Corteco seal
rings/differential flanges  Replacing Corteco seal rings
(Fig. 1)
and differential flanges.

Oil leak from differential casing cover

Fault

Procedure
Fig. 2

Oil leakage from
differential cover
(Fig. 2)

Technical Service Department
Page 49 of 53

 Replace O-ring on
differential cover.

Diagnosis Form for DCT gearbox oil leaks
Model

Page 02 of 05

Updated on

October 2019

Fluid leak from ATF oil filter

Fault

Procedure
Fig. 3

Fluid leakage from ATF oil
filter (Fig. 3)

 Replace the ATF oil filter.

Oil leak from rear plug

Fault

Procedure
Fig. 4

Oil leakage from rear
gearbox plug (Fig. 4)

Technical Service Department
Page 50 of 53

 Replace rear plug.

Diagnosis Form for DCT gearbox oil leaks
Model

Page 03 of 05

Updated on

October 2019

Leakage from flange/front shaft

Fault

Procedure
Fig. 5

Oil leakage from
flange/front shaft (Fig. 5)

 Replace front flange/shaft.

Oil leakage from front connector casing

Fault

Procedure
Fig. 6

Oil leakage from Corteco
seal ring on front
connector casing (Fig. 6)

Technical Service Department
Page 51 of 53

 Replacing Corteco seal ring.

Diagnosis Form for DCT gearbox oil leaks
Model

Page 04 of 05

Updated on

October 2019

Leakage from oil plugs on gearbox

Fault

Procedure
Fig. 7

Oil leakage from gearbox
oil plugs (Fig. 7)

 Replace the plug.

Leakage from seal plugs

Fault

Procedure
Fig. 8

Oil leakage from the three
oil plugs (Fig. 8)

Technical Service Department
Page 52 of 53

 Replace the seal plug.

Diagnosis Form for DCT gearbox oil leaks
Model

Page 05 of 05

Updated on

October 2019

Oil leakage from E-DIFF connectors/E-DIFF pipe failure

Fault

Procedure
Fig. 9

Oil leakage from E-DIFF
 Replace unions with relative
unions or failure of E-DIFF
seals and replace the E-DIFF
pipe (Fig. 9)
pipe.

Technical Service Department
Page 53 of 53