999.067.053.09

4x

9A7.008.379.00

4x

Hexagon-head bolt, M6 x 16 (brake anchoring plate, etc.)  Figure
4 -6Screw, M8 x 38 (spreader device (actuator/servo motor))  Figure
4 -7Cheese head bolt, M12 x 1.5 x 85 (fixed-caliper brake)  Figure 4
-8Tie-wrap, A8.0 x 337  Figure 4 -9-

991.331.483.04

1x

Rear-axle trailing arm spoiler – left  Figure 4 -10-

991.331.484.04

1x

Rear-axle trailing arm spoiler – right  Figure 4 -11-

999.072.920.01

2x

999.072.930.01

2x

999.072.868.01

10 x

999.084.445.01

14 x

Hexagon-head bolt, M12 x 1.5 x 90 (lower control arm) Figure 4
-12Hexagon-head bolt, M12 x 1.5 x 105 (lower wishbone)  Figure 4
-13Hexagon-head bolt, M12 x 1.5 x 80 (upper control arm)  Figure 4
-14Lock nut, M12 x 1.5 (control arm, anti-roll bar)  Figure 4 -15-

991.331.221.01

2x

Hexagon nut lock, M12 x 1.5 (lower control arm)  Figure 4 -16-

999.073.530.01

2x

991.331.231.00

2x

991.331.230.01

2x

Cheese head bolt, M12 x 1.5 x 72 (rear-axle shock absorber) 
Figure 4 -17Hexagon nut, M12 x 1.5 (rear-axle shock absorber)  Figure 4
-18Cheese head bolt, M12 x 1.5 (rear-axle shock absorber)  Figure 4
-19-

Parts included with sport exhaust system (see separate Installation and Conversion Instructions 
Installation and Conversion Instructions '260100 Sports exhaust system (I-no. 176)'):
1x
991.044.200.30
Sport exhaust system, set

Materials:

000.043.305.157

2x

Antifreeze, BASF Glysantin G40–91 EF; 1-litre container

000.043.305.217

2x

000.043.305.01

1x

Engine oil, EXXON Mobil 1 0W-40, 1-liter container (see also
Technical Bulletin  Manufacturer's Certificate '170100 Overview
of approved Porsche A40 engine oils (07/17)')
“SYNTHESO GLEP” grease; 50g tube (for fitting O-rings, moulded
seals, etc.)

2017© Porsche Cars North America, Inc.

Tequipment

Jul 27, 2017
Page 7 of 32

1

911 (991)
1001

ENU

000.043.205.93

1x

000.043.306.27

1x

7

Tools:

Installation and Conversion Instructions

8/17

“KLUEBERPLUS S 06-100” grease; 100g tube (for fitting O-rings in
cooling system)
Optitemp LG2, 25 ml spraying can

As much as required.

9900 - PIWIS Tester 3

WE1223 - Transmission and unit jack Junior
Jack 2.0

Also ONLY for vehicles WITHOUT PCCB (450) and/or rear axle steering (470):
VAS 6961 - Separating device

30-205 - Pressure piece

9694/3 - Press-on sleeve

T10205 - Attachments

T10230/14-16 - Supplementary set

T10473 - Test card

VW 454 - Pressure piece

VW 457 - Holding rails

9229/1 - Puller hook

VAS 6927 - Tie-wrap pliers

Work Procedure: 1

Preparatory work
1.1

Drive the vehicle onto a lifting platform, extend the rear spoiler manually and connect a
battery charger (  Workshop Manual '2X00IN Battery trickle charging').

1.2

ONLY for Cabriolet: Move convertible-top compartment lid into service position.

1.3

ONLY for vehicles WITHOUT Porsche Ceramic Composite Brake (PCCB = 450) and/or rear
axle steering (470):
1.3.1

Switch on ignition and apply electric parking brake.

1.3.2

Remove hub cap from wheel (left/right) on the rear axle using the relevant 9229/1
- puller hook.

1.3.3

Loosen hexagon nut, M22 x 1.5 on the rear-axle drive shaft (left/right).

1.3.4

Move electric parking brake (EPB) into "assembly position" using 9900 - PIWIS
Tester 3.
•
•
•

•

Jul 27, 2017
Page 8 of 32

Select "Parking brake" in the control unit overview. Press •F12“ to continue.
Select "Move to assembly position" under Maintenance/repairs. Press
•F12“ to continue.
When the parking brake has successfully moved to assembly position, the
message "The parking brake has successfully moved to assembly position"
appears.
Exit the menu and switch off and disconnect 9900 - PIWIS Tester 3.

1.4

Raise the vehicle (  Workshop Manual '4X00IN Lifting the vehicle').

1.5

Remove rear wheels (  Workshop Manual '440519 Removing and installing wheel').

Tequipment

2017© Porsche Cars North America, Inc.

Installation and Conversion Instructions

911 (991)
8/17

ENU

1001

1

CAUTION
Hot components
•

Risk of burns



Let hot components cool down.



Wear personal protective gear.
1.6

Remove (sports) exhaust system
1.6.1

Remove rear apron (  Workshop Manual '635519 Removing and installing rear
apron').

1.6.2

Remove bumper and heat protection panels (  Workshop Manual '635019
Removing and installing rear bumper').

1.6.3

Remove heat shield on turbocharger (cyl. 1–3/cyl. 4–6) (  Workshop Manual
'261219 Removing and installing heat shield').

1.6.4

Remove (sport) exhaust system
(  Workshop Manual '260119
Removing and installing exhaust
system').
1
2

1.7

– (Sport) exhaust system
– Transmission and engine
jack

Drain oil from turbocharger (  Workshop
Manual '213019 Removing and installing
turbocharger')
Figure 5

1.7.1

Remove charge-air hose from
turbocharger (cyl. 1–3  Figure 6 -1-/cyl. 4–6).

1.7.2

Remove intake pipe from turbocharger (cyl. 1–3).

1.7.3

Loosen clip (2 x) on intake pipe for turbocharger (cyl. 4–6) and disconnect plug
connection.
Release coupling on branching pipe (positive crankcase ventilation) and remove
intake pipe on turbocharger (cyl. 4–6).

2017© Porsche Cars North America, Inc.

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Page 9 of 32

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911 (991)
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Installation and Conversion Instructions

8/17
1.7.4

Position oil drip tray under the
respective turbocharger (cyl.
1–3/cyl. 4–6).
1

– Charge-air hose
connection on
turbocharger (cyl. 1–3)
– Torx screw, M6 x 12
– Oil return line (cyl. 1–3)
– Oil tank for turbocharger
(cyl. 1–3)
– Oil drip pan

2
3
4
5

Figure 6
WARNING
Hot fluid
•

Danger of scalding



Let the fluid cool down.



Wear personal protective gear.
1.7.5

Remove Torx screw (M6 x 12) on oil return line/turbocharger oil tank flange (cyl.
1–3  Figure 6 -4-/cyl. 4–6).
Information

1.7.6

•

Only use engine oils that have been tested and approved by Porsche AG.

•

Dispose of used oil and oil filter in accordance with environmental regulations.

Disconnect plug-in coupling for oil return line/oil tank and collect oil using the oil
drip pan.

WARNING
Caustic fluid
•

Danger of chemical burns



Avoid contact with caustic fluid.



Wear personal protective gear.



Ensure that there is good ventilation.



If you do come into contact, wash off immediately with plenty of warm water and contact a
doctor if necessary.

Jul 27, 2017
Page 10 of 32

Tequipment

2017© Porsche Cars North America, Inc.

Installation and Conversion Instructions
1.8

911 (991)
8/17

ENU

1001

1

Draining coolant from turbocharger
1
2

– Drain plug, M14 x 1.5 x 15
– Thermostat housing

1.8.1

Position coolant drip pan under the
engine oil pan.

1.8.2

Remove drain plug on thermostat
housing and collect coolant
( Figure 7 ).
Figure 7

1.8.3

Remove flange with turbocharger
coolant lines (cyl. 1–3/cyl. 4–6)
( Figure 8) and collect coolant.
1
2

2

– Turbocharger coolant lines
(cyl. 1–3)
– Flange with turbocharger
coolant lines (cyl. 4–6)

ONLY for vehicles WITHOUT Porsche Ceramic
Composite Brake (PCCB = 450) and/or rear axle
steering (470):
Convert rear-axle wheel carriers (see also 
Workshop Manual '425219 Removing and installing
rear wheel bearing housing')
2.1

Remove rear-axle brake system
2.1.1

Switch on ignition, release the
parking brake and switch off
ignition.

2017© Porsche Cars North America, Inc.

Tequipment

Figure 8

Jul 27, 2017
Page 11 of 32

1

911 (991)
1001

ENU

Installation and Conversion Instructions

8/17
2.1.2

Unscrew brake caliper (at the left 
Figure 9 -1-/right) from the relevant
wheel carrier and suspend it in the
wheel arch (  Workshop Manual
'474119 Removing and installing
rear brake calliper'). Do not open
the brake system!
1
2
3

2.1.3

– Brake caliper (left)
– Hexagon nut, M22 x 1.5
– Brake disc (left)

Loosen hexagon nut (M22 x 1.5) on
the drive shaft (at the left/right) as
far as the last thread.

Figure 9

Carefully loosen the drive shaft (at the left/right) in the wheel carrier using VAS
6926 - puller set until you can push the drive shaft (at the left/right) with your
hand.
2.1.4

Remove brake disc (at the left  Figure 9 -3-/right) (  Workshop Manual
'465319 Removing and installing rear brake disc').

WARNING
Preloaded or pressurised components

Jul 27, 2017
Page 12 of 32

•

Risk of injury (e.g. crushing or bruising) when removing and installing springs.



Do not reach into the danger area.



Relieve the tension on components before starting work.



Secure components to prevent them from loosening suddenly.



Wear protective gloves and goggles.



Be very careful when working on the brake system.

Tequipment

2017© Porsche Cars North America, Inc.

Installation and Conversion Instructions
2.1.5

8/17

ENU

1001

1

Remove brake anchoring plate (at
the left/right) and parking brake
shoes (  Workshop Manual
'468320 Removing and installing
brake shoes').
1
2
3

2.2

911 (991)

– Brake anchoring plate (left)
– Parking brake shoes (left)
– Spreader device
(actuator/servo motor –
left)

2.1.6

Secure the plunger in the spreader
Figure 10
device (actuator/servo motor – at