0

Pre-set chassis height on rear spring strut
for suspension alignment. For this purpose,
loosen the locking screw  28 -1- and
tighten it again after presetting.
The dimension  28 -A- must be 42 mm
from the lower edge of the lower spring seat
 28 -2- to the upper edge of the wheel
carrier  28 -3-.
Rear axle damper setting:
Traction stage (bottom of the damper purple): Position 8
LowSpeed pressure stage (on expansion tank
- black): Position 8
HighSpeed pressure stage (on expansion tank - black): Position 8
9.4

28

Mounting the rear expansion tank
1
2
3
9.4.1

– Template, left - MT0.016.97A
– Template, right - MT0.016.98A
– Fastening material
Remove rear boot side trim panel.
 Workshop Manual '700319
Removing and installing boot side
trim panel rear'
29

9.4.2

Lay the relevant template  30 -1,
2-on the respective outside of the
side panel, mark both holes and drill
with ∅ 5,5 mm.
The position of the holes shown
may vary.

30

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0913

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Installation and Conversion Instructions

13/23
9.4.3

Fasten holder  31 -1- with screws
 31 -3- and nuts to the respective
trim  31 -2-.

31
9.4.4

Secure the respective expansion
tank  32 -1- on the holder  32
-2- with tie-wraps  32 -3-.

9.4.5

Install rear boot side trim panel
again.  Workshop Manual
'700319 Removing and installing
boot side trim panel rear'

10 Installing brake lines

32
WARNING
Personal injury and material damage from brake fluid
•

Poisonous if swallowed

•

Irritation and damage to skin

•

Detachment of paint surfaces



Only store brake fluid in suitable, labelled containers



Wear protective gloves and goggles



In the event of contact (eyes or skin), wash immediately with water



In the event of contact with paint surfaces, wash off immediately with water, do not wipe off

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Tequipment

Installation and Conversion Instructions
Set

10.1

Cayman (982)
13/23

ENU

0913

0

– Brake lines (steel flex-pipes) 991.044.806.38
Installing front brake lines
10.1.1

Loosen threaded connections 
34 -2- and remove brake line  34
-1-.

10.1.2

Install new brake line  34 -1without tension and ensuring that
no abrasion occurs.

10.1.3

Tighten threaded connections 
34 -2-.

33

Tightening torque 10 Nm (7.4
ftlb.)
10.2

Installing rear brake lines
10.2.1

Loosen threaded connections 
35 -2- and remove brake line  35
-1-.

10.2.2

Install new brake line  35 -1without tension and ensuring that
no abrasion occurs.

10.2.3

Tighten threaded connections 
35 -2-.

34

Tightening torque 10 Nm (7.4
ftlb.)
10.3

Bleed the brake system.  Workshop Manual
'470107 Bleeding brake system'

11 Affixing stickers
Information
The stickers are to be ordered in the color of the
customer’s choice (black or white).
Side sticker: black - 992.044.856.28, white sticker 99204485629
Rear spoiler sticker: black - part number, white sticker - part number
11.1

35

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

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Installation and Conversion Instructions

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
11.2
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.
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
36

11.3
Remove backing sheet from the respective
sticker, and position and affix the protective
film on the sticker with the position markings
on the contour of the rear wing, then remove
the protective film on the sticker.
12 Performing suspension alignment of the vehicle
12.1

Measure vehicle with standard values
(as-delivered state). To do this, see the repair
instructions  Workshop Manual '470107
Adjustment values for suspension alignment'.

12.2

37
Measure vehicle with the performance setup
recommended by Manthey (race circuit driving). Adjustment via the Manthey measuring
wheel system in Conversion Instructions for  Installation and Conversion Instructions
'440000 measuring wheel system'.
•
•

Tank capacity: Full
Driver ballast: Driver weight
Damper clicking

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Front axle

Rear axle

Rebound stage (bottom of damper - black)

9

8

LowSpeed pressure stage (Black)

8

8

HighSpeed pressure stage (gold)

8

8

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Cayman (982)

Installation and Conversion Instructions

13/23

Steel anti-roll bar

ENU

0913

0

Center position =
medium

Center position =
medium

107 mm

130 mm

91 mm (offset:
-16 mm)

140 mm (offset:
+10 mm)

Ride height on tyres
Driving height on measuring wheel system

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

Initial readings

Setpoint values

Final
measurement

Front axle
Toe
unpressed (total)

-2 mm (-0°14')

Camber
with wheels in straight-ahead
position

- 2.6°
Rear axle

Toe
per wheel

+2 mm (+0°14')

Camber

-2.2°

Installed on:

Mechanic:

Acceptance:

Stamp:

(Date)

(First Name)

(Name of
Foreman)

(Porsche Center)

13 Follow-up actions
13.1

Read out 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'

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Cayman (982)
0913

Labor time:

ENU

13/23

Installation and Conversion Instructions

Cayman GT4 Manthey Kit
Includes:
Install Cayman GT4 Manthey Kit.

Labor time: 1000 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.

© 2024 Porsche Cars North America, Inc.

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