No. 13-23 Service Bulletin/Repair Instructions

Installation and Conversion Instructions
Cayman (982)

13/23
ENU
0913
0
Cayman GT4 Manthey Kit
Vehicle Type:
718 Cayman GT4
Model Year:
As of 2019
Cause:
Retrofitting
Note:
The Manthey Kit for the Cayman GT4 (type 982) was developed in close collaboration between the

Porsche Development Center in Weissach and Manthey Racing GmbH.

The Tequipment range is targeted to motor sports enthusiasts and amateur motor sports drivers.
NOTICE
Parts Info:
982.044.805.06
Cayman GT4 (type 982) Manthey Kit
Parts to be ordered at the same time, the screws for the rear spoiler are NOT required for the

individual “chassis” scope.

WHT.008.186
4x
 Brake calliper cheese head bolt
PAF.909.664
4x
 Front wishbone hexagon collar nut
9A7.008.677.00
2x
PAF.909.664
2x
PAF.007.957
4x
 Hexagon-head bolt on spring strut on upper wheel bearing

housing

 Hexagon collar nut for connecting link to wheel bearing

housing

 Hexagon attachment nut for connecting link to anti-roll bar
WHT.007.021
2x
 Hexagon nut drive shaft
9A7.007.585.00
4x
 Brake calliper cheese head bolt
999.073.509.03
4x
996.341.543.92
2x
 Rear wing screwAre NOT required for the individual

chassis scope

 Intermediate plate (3 mm) for adjusting the FA camber
999.084.449.09
2x
PAF.908.088
2x
 Lock nut track rod 2x (front axle track rod, two included with

the rear MR track rod)

 Hexagon collar nut, self-locking
PAF.003.923
12x
 Hexagon nut spring strut to body
999.072.877.0
4x
 Screw for wheel bearing housing on lower axle strut
N.909.664.02
2x
 Hexagon collar nut, self-locking connecting link on FA wheel

bearing housing
Tequipment
Jul 3, 2024

Page 1 of 18
0
Cayman (982)

0913
ENU
Installation and Conversion Instructions
13/23
PAF.909.664
2x
900.378.108.01
2x
 Hexagon collar nut, self-locking connecting link on RA wheel

bearing housing

 Screw under FA wheel bearing housing clamping
WHT.007.021
2x
 Hexagon nut drive shaft
996.341.543.95
2x
 Intermediate plate (10 mm) for adjusting the FA camber
NOTICE

Vehicle and driver weight

•
Before starting the alignment, please ensure the following conditions are met:

Fuel tank is completely full

Driver’s weight (incl. helmet and racing suit) has been determined or requested and is placed on the

driver’s seat with an equivalent weight
Information

Please pass all of this information on to the customer.

In addition, provide the customer with the Race Circuit brochure included with the scope of parts.
Information

•
Some of the repair illustrations show only one side of the vehicle or a similar component.
•
Naturally, some steps also have to be performed on the opposite side of the vehicle as well.
Content:
•

•

•

•

•

•

•

•

•

•

•

•

•
1. Preparatory work

2. Installation of illuminated door entry guards

3. Installing the air intake grille (side air intake panel)

4. Installing rear wing connection pieces

5. Installing the gurney (separation edge)

6. Installing the air control elements on the underbody

7. Installation of rear-axle tie rod

8. Installing front axle camber adjusting shims

9. Chassis assembly

10. Installing brake lines

11. Affixing stickers

12. Performing suspension alignment of the vehicle

13. Concluding work
Assembly:
1
Preparatory work

1.1
Jul 3, 2024

Page 2 of 18
Connect battery charger.  Workshop Manual '2X00IN Battery trickle charge'
Tequipment
Installation and Conversion Instructions

2
Cayman (982)

13/23
ENU
0913
0
Installation of illuminated door entry guards

Set

1
– Door entry guard - 982.044.806.78

– Door entry guard, left
2.1
Remove door entry guard.  Workshop

Manual '680719 Removing and installing

cover strip'
2.2
Install illuminated door entry guard. 

Workshop Manual '680719 Removing and

installing inner door entry guard'

1
3
Installing the air intake grille (side air intake panel)

1

2
4
– Air intake grille, top left - 982.044.806.22

(top right - 982.044.806.23)

– Air intake grille, bottom left - number

982.044.806.24 (bottom right 982.044.806.25)
3.1
Clean air intake.
3.2
Release door entry guard until the air intake

panels are accessible from the rear. For

instructions, see  Workshop Manual

'663119 Removing and installing door entry

guard'.
3.3
Push the new air intake grille  3 -1, 2- from

the rear on the side air intake panel  3 -3-.
3.4
Install door entry guard. For instructions, see

 Workshop Manual '663119 Removing and

installing door entry guard'.
2
Installing rear wing connection pieces
3

NOTICE

•
Only the standard rear wing setting (flat) and fully closed front diffusors are permitted for road use:

Front wing mount in direction of travel: Screw-in position for bottom bore
Tequipment
Jul 3, 2024

Page 3 of 18
0
Cayman (982)

0913
ENU
13/23
Installation and Conversion Instructions

Rear wing mount in direction of travel: Screw-in position for top bore

Both front diffusors in pos. 1

1

2

4.1
– Connecting piece, left - 982.044.806.71

– Connecting piece, right - 982.044.806.72

Unscrew screws  5 -1- and remove rear

spoiler (wing)  5 -2-.

Help of another person is required.
4

4.2
Unscrew screws  5 -3- and remove

standard connecting pieces  5 -4-.
5

4.3
Install new connecting pieces  6 -1- and

screw in screws  6 -2-.

Use Loctite 241.

Do not tighten screws  9 -2- yet.
6
Jul 3, 2024

Page 4 of 18
Tequipment
Installation and Conversion Instructions

4.4
Cayman (982)

13/23
ENU
0913
0
Install rear spoiler (wing) in a flat position

(road use).

For this purpose, screw in the rear screw  7

-1- into the top position and screw in the front

screw  7 -2- into the bottom position.

New micro-self-locking screws must be used

(999.073.509.03).

Help of another person is required.
7

4.5
Tighten screws  8 -1, 2-. Tightening

torque 8 Nm (5.9 ftlb.)
4.6
Center rear spoiler (wing).

The distance  9 -2- between the connecting

pieces  9 -1- must be identical on both

sides of the vehicle.
4.7
Tighten screws  9 -3-.
8

Tightening torque 8 Nm (5.9 ftlb.)

12 3

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