ENU

Installation and Conversion Instructions

25/22

Information
The decorative films must also be ordered in the desired color.
These are available from 01/2023.
11.1.1

Thoroughly clean the surfaces to
adhere with isopropanol (alcohol).
The adhesive surfaces must be free
from dust, dirt and grease of any
kind.
Information
Check that the decorative film is
aligned correctly. The alignment
cannot be corrected afterwards.

11.1.2

43
Remove protective film from the respective decorative film  43 -2- and position
and affix it onto the wheel cover  43 -1-.

11.2

Installation of rear wheel covers on GT3 wheel
1
2

– Wheel cover 992.044.856.09
– GT3 wheel

11.2.1

Affixing rim protection sticker
Information
Both rear rims must be thoroughly
cleaned and freed from brake
debris.

11.2.2

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44
Thoroughly clean the surfaces to
adhere with isopropanol (alcohol). The adhesive surfaces must be free from dust,
dirt and grease of any kind.

Tequipment

Installation and Conversion Instructions
11.2.3

911 (992)
25/22

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0

Affix the rim protection stickers
 45 -1- to all rear wheel spokes.
Make sure to affix the side flaps of
the stickers carefully around the
spokes.

45
11.3

Mounting GT3 wheel cover
1
2
3

– Wheel cover
– Fastening ring
– Screws

11.3.1

Remove screws  44 -3- and
fastening ring  46 -2- from 
46 -1- wheel cover.

46
11.3.2

Insert wheel cover  47 -1- into
the wheel  47 -4- from the
front, hold fastening ring  47 -2against it from behind and tighten
screws  47 -3-.
Make sure that the wheel cover
is seated correctly in the rim
and is flush with the fastening
ring.
Tightening torque 6.8 Nm (5
ftlb.)
47

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911 (992)
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Installation and Conversion Instructions

25/22

11.4

Mounting rear wheel covers on the Manthey
lightweight wheel
1
2

– Wheel cover for Manthey lightweight
wheel - 992.044.856.08
– Manthey lightweight wheel

11.4.1

Affixing rim protection sticker

48
11.4.2

Thoroughly clean the surfaces to
adhere with isopropanol (alcohol).
The adhesive surfaces must be free
from dust, dirt and grease of any
kind.

49
11.5

Insert wheel cover  50 -1- into the rim 
50 -2- from the front and tighten screws 
50 -3-.
Make sure that the wheel cover is seated
correctly in the rim.
Tightening torque 4 Nm (3 ftlb.) and
Loctite 425 medium-strength screw lock.
1
2
3

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– Wheel cover
– Wheel rim
– M5 x 12 pan-head screw

11.6

Important! Balance wheels after mounting
the wheel covers.  Workshop Manual
'440594 Balancing wheels'

11.7

Install all wheels.  Workshop Manual '440519 Removing and installing wheel with central
bolt'

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Installation and Conversion Instructions

911 (992)
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12 Affixing stickers
Information
The stickers are to be ordered in the color of the customer's choice (black or white).
12.1

Carefully remove GT3 logo and adhesive residue.

12.2

Thoroughly clean the surfaces to adhere with isopropanol (alcohol). The adhesive surfaces
must be free from dust, dirt and grease of any kind.
Information
The stickers can also be affixed wet. After removing the backing film, spray a little water or a
mixture of water and washing-up liquid onto the sticker and the surface to be affixed.

12.3
Remove backing sheet from the respective sticker, align the protective film on the sticker
flush at the front and bottom of the door and stick it on, then remove the protective film on
the sticker.

51

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52

53
13 Concluding work
13.1

Select the fault memory of all systems, work through any existing faults and erase the fault
memory.  Workshop Manual '033500 Fault memory for on-board diagnosis'

13.2

Disconnect the battery charger.  Workshop Manual '2X00IN Battery trickle charge'

14 Perform suspension alignment.
For more information, see: Instructions for the measuring wheel system. Installation and
Conversion Instructions '440000 Measuring wheel system'

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Tequipment

911 (992)

Installation and Conversion Instructions
14.1

25/22

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Measuring criteria:
•
•

Tank capacity: Full
Driver ballast: Driver weight
Damper clicking Performance

Front axle

Rear axle

Rebound stage (R) LowSpeed (Black)

7

7

Rebound stage (R) HighSpeed (gold)

8

6

Pressure stage (C) LowSpeed (Black)

7

7

Pressure level (C) HighSpeed (Gold)

9

9

Center position =
medium

Center position =
medium

104.0 mm

247.0 mm

90 mm (Offset:
-14mm)

240 mm (Offset:
-7mm)

Front axle

Rear axle

Rebound stage (R) LowSpeed (Black)

9

10

Rebound stage (R) HighSpeed (gold)

9

12

Pressure stage (C) LowSpeed (Black)

10

10

Pressure level (C) HighSpeed (Gold)

10

11

Center position =
medium

Center position =
medium

104.0 mm

247.0 mm

90 mm (Offset:
-14mm)

240 mm (Offset:
-7mm

Steel anti-roll bar
Ride height on tires
Ride height on measuring wheel system

Damper clicking Comfort

Steel anti-roll bar
Ride height on tires
Ride height on measuring wheel system

14.2

ENU

Measurement log:
Measurement log (executing PORSCHE dealer)
Wheel alignment values
(worldwide)

Initial readings

Setpoint values

Final
measurement

Front axle
Toe
unpressed (total)

- 2 mm

Camber
with wheels in straight-ahead
position

- 2.6°

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911 (992)
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Installation and Conversion Instructions
Rear axle

Toe
per wheel

+ 2 mm

Camber

- 2.6°

Installed on:

Mechanic:

Acceptance:

Stamp:

(Date)

(First Name)

(Name of
Foreman)

(Porsche dealer)

15 Installing towing loops
Information
The towing loops are not approved for use on public roads!
Race Track only.
1
2
3
4
5
15.1

–
–
–
–
–

Front towing loop
Rear towing loop
Small spacer
Medium spacer
Large spacer

Remove both towing hook covers (front and
rear).

54

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Tequipment

Installation and Conversion Instructions
15.2

911 (992)
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Screw the respecttive towing loop  54 -1,
2- into the device provided in order to check
the positions of the towing loop.
Illustration of towing loop  55 -1-not OK,
turned 180 º.
1

– Rear towing loop

55
15.3

Depending on position, install one or more of
the three supplied spacers  54 -3, 4, 5- on
the respective towing loop  54 -1, 2- and
screw in again.
The logo on the respective towing loop 
56 -1- must point straight upwards and the
hook-and-loop fastener must point towards
the vehicle.
1

– Front towing loop

56
Labor Time:

911 GT3 Manthey Performance Kit
Includes:
Installing 911 GT3 Manthey Performance Kit.

Labor time: 1200 TU

Important Notice: Technical Bulletins issued by Porsche Cars North America, Inc. are intended only for use by professional automotive technicians who have attended Porsche service training
courses. They are written to inform those technicians of conditions that may occur on some Porsche vehicles, or to provide information that could assist in the proper servicing of a vehicle. Porsche special
tools may be necessary in order to perform certain operations identified in these bulletins. Use of tools and procedures other than those Porsche recommends in these bulletins may be detrimental to the
safe operation of your vehicle, and may endanger the people working on it. Properly trained Porsche technicians have the equipment, tools, safety instructions, and know-how to do the job properly and
safely. Part numbers listed in these bulletins are for reference only. The work procedures updated electronically in the Porsche PIWIS diagnostic and testing device take precedence and, in the event of a
discrepancy, the work procedures in the PIWIS Tester are the ones that must be followed.

© 2023 Porsche Cars North America, Inc.

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