2011 PORSCHE CAYMAN S change wheel

89
Porsche Doppelkupplung (PDK,
p. 48) is available as an option.
The key elements of PDK are its
seven gears, t wo half gearboxes
and t wo clutches. It features both
manual and automatic modes.
Gears are changed using the gear
selector for PDK, the switches
on the sports steering wheel or
the new optional SportDesign
steering wheel with gearshift
paddles with race track control
logic. The gear change takes
place in a mat ter of milliseconds
without any interruption in the
flow of power. The advantage

over a fully manual transmission
is the considerably faster rate of
acceleration for the same rate of
fuel consumption. The advantage
over a fully automatic transmission
is the perceptible increase in
driving dynamics – with a similar
level of comfort, and a distinct
reduction in fuel consumption.
Two dif ferent characters. One
personalit y. Their drive for power
is impressive, their spirited nature
fascinating. Two sports coupés
that go beyond all conventions.
Two cars that draw their drivers
under their spell, forever.
The concept behind the Cayman
models is the ‘Le Mans Coupé’,

a sports coupé designed in 1953
specifically for this legendary
race and based on the 550
Spyder. Its mid- engine layout is
what made this car special. The
car’s low centre of gravit y gave it
tremendous agilit y and cornering
dynamics. From this one basic
idea came great success, and
with this success our experience
grew. The result? Two sophisticated
sportscars. The Cayman and the
Cayman S.
Their uncompromising perform -
ance is generated by t wo engine
developments, which stand out
above all for their light weight
construction, power output
and ef ficiency. The Cayman has
a 2.9 -litre flat-six engine with a
power output of 195 kW (265 hp).
Even more impressive are the per -
formance values of the Cayman S
with direct fuel injection (DFI, p. 34).
The fuel/air mixture is prepared

entirely in the combustion chamber
af ter having been metered and
injected directly, with millisecond
precision. This means even more
power and torque. To express
this in figures, its 3.4-litre flat-
six engine unleashes a might y
235 kW (320 hp). Depending on
the model, it has been possible
to reduce fuel consumption by
up to 15 % and CO
2 emissions by
up to 16 %.
In either model, this tremendous
power is delivered to the road
by a precision six-speed manual
gearbox.
The primary target group:
your central nervous system.
The Cayman models.
Cayman | The concept
Cayman models: fuel consumption in l/100 km (mpg) urban 14.1 (20.0) –13.6 (20.8) ·
extra urban 7.1 (39.8) – 6.5 (43.5) · combined 9.5 (29.7) –9.1 (31.0); CO
2 emissions 223–214 g / km

2627
6,000 rpm. From a standing start,
the Cayman accelerates to 62 mph
(100 km/ h) in 5.8 seconds. With the
optional Porsche Doppel
kupplung
(PDK), this sprint takes just
5.7 seconds. Top speed is 165 mph
(265 km/ h) in conjunction with the
manual gearbox. Equally impressive,
however, is the 10 % reduction in with 5-inch display. An integrated
six- disc CD autochanger is
available as an option.
The Cayman has found its way.
Its own? Without doubt.
The Cayman is the driving force
behind precisely one at titude:
the absolute conviction to remain
true to oneself. No middle roads.
No compromises. No nonsense.
One of the features that exempli
-
fies this at titude is the mid- engine
layout, which ensures a low centre fuel consumption and the 12
%
reduction in CO2 em issio ns,
depending on the t ype of gearbox.
The power of the engine is deliv -
ered to the road by a precision
six-speed manual gearbox. Fit ted
as standard are 17-inch wheels
with a star-shaped design, which
allows an eye-catching view of
of gravit y and thus a high degree
of agilit y and an extremely sport y
drive. The six-cylinder horizontally
opposed power unit has a capacit y
of 2.9 litres. The engine delivers a
power output of 195 kW
(265 hp)
at an engine speed of 7,200 rpm.
A maximum torque of 300 Nm
is achieved bet ween 4,400 and the powerful brake system. And
the interior? The overall impression
is simply one of high qualit y. For
instance, the rims of all available
steering wheels are covered in
smooth -finish leather. The centre
console, finished in traditional
black, is equipped as standard
with the CDR-30 audio system
You should never doubt your own principles.
The Cayman.
Cayman | Model range
Cayman: fuel consumption in l/100 km (mpg) urban 13.8 (20.5) –13.6 (20.8) ·
extra urban 6.9 (40.9) – 6.5 (43.5) · combined 9.4 (30.1) –9.1 (31.0); CO
2 emissions 221–214 g / km

50
46
2
1
R
7 3
5
51
4
6
2
R1
3
7
5
Multi - plate clutch 1
Multi - plate clutch 2
Semi -gearbox 2
(2nd, 4th, 6th gear)
Semi -gearbox 1
(1st, 3rd, 5th, 7th, R gear)
Differential
Engine
Rear wheel
Rear wheel
Porsche Doppelkupplung (PDK) PDK function diagram
is established, and power is
transmit ted to the wheels.
The gear which is engaged is
displayed on the instrument
cluster. Depending on the
gearshif t programme, the gear
change is optimised for comfort
or for sport y handling and takes
place in a mat ter of milliseconds.
The advantages over a fully
manual transmission are very Package, PDK is enhanced by
the ‘Launch Control’ and ‘motor
-
sport- derived
gearshift strategy’
functions (p. 62).
In essence, PDK combines
sportiness with ef ficiency and
comfort. What does all this
mean for you? Exactly what you
would expect: uninterrupted
driving pleasure.
Porsche Doppelkupplung (PDK)
in detail.
The crankshaf t transmits engine
torque to the dual-mass fly wheel
which is then channelled through
the clutch housing and onto the
multi-plate clutches, or to be more
precise, the outer disc carrier.
Under oil pressure, clutch 1 closes
and forms a frictional connection rapid gearshif ts with no
interruption in the flow of power,
which result in a considerably
faster rate of acceleration for the
same rate of fuel consumption.
The advantage over a fully
automatic transmission is the

perceptible increase in driving
dynamics – with a similar level of
comfort, and a distinct reduction
in fuel consumption.
with input shaft 1. The torque is
now transmit ted through the
dif ferential to the rear axle.
At this stage, PDK has already
preselected the next gear.
Engine torque is already acting
on the other outer disc carrier
and, in response to a gear change
signal, the overlap shift is

initiated, i.e. as clutch 1 opens,
clutch 2 closes. The non-positive
connection with input shaf t 2 The compact dimensions of the
gearbox reduce rotational masses
which means that the engine
response is more direct and the
system is more light weight.
This, along with the long-ratio 7th
gear, helps to achieve relatively
low fuel consumption and

emission figures comparable
with those of a manual gearbox.
With the optional Sport Chrono
Cayman | Drive

5253
Spor tDesign steering wheel with gearshif t paddles
Sports steering wheel with gearshif t switches Gear selector for PDKGear lever in carbon
A display on the lef t and right
steering wheel spokes tells you
whether the SPORT, SPORT PLUS
and Launch Control functions of
the optional Sport Chrono Package
are activated. Another feature
reminiscent of the world of motor-
spor t is the top centre marking
on the steering wheel rim.
Gear selector for Porsche
Doppelkupplung (PDK).
The gear selector for PDK
impresses not only with its unique
design, but above all with its
superior functionality enabling you
to change gear manually: press wheels for approximately t wo
seconds once the footbrake is
released. The vehicle is therefore
temporarily prevented from rolling
backwards. Brake pressure is
reduced if, within t wo seconds,
sufficient revs have been gener
-
ated by the driver depressing
the accelerator pedal (or, in the
case of manual transmission, the
accelerator pedal is depressed
and the clutch is engaged).
Sports steering wheel.
In conjunction with the optional
Porsche Doppelkupplung (PDK),
the standard sports steering wheel
has t wo ergonomic switches.
One press with the thumb and PDK
shif ts up. One pull with the index
finger and PDK shif ts down. When
combined with one of the optional
Sport Chrono Packages (p. 62),
there is an additional display
above the airbag module. It tells
you whether the SPORT, SPORT
PLUS and Launch Control func -
tions are activated. forwards to shift up, pull back
-
wards to shift down.
Even if the gear selector is set
to automatic mode, you can still
change gear manually using the
switches or gearshif t paddles on
the steering wheel.
Six-speed manual gearbox.
Fit ted as standard in each of the
Cayman models is a six-speed
manual gearbox. The shift throw is
short and precise, the tuning is
sport y – as befits the character of
the Cayman models. The dual-mass
fly wheel minimises engine noise
SportDesign steering wheel.
Visually, this steering wheel is
distinguished by its high-qualit y t win-
spoke design and silver-coloured
galvanised spoke cover. The airbag
module is finished in the same
colour as the steering wheel rim.

This optional steering wheel allows
you to make motorsport-st yle gear
changes. In conjunction with the
optional PDK, the SportDesign
steering wheel features t wo alloy
shift paddles ergonomically located
behind the steering wheel spokes.
Pull the right-hand paddle and the
PDK shifts up. Pull the left-hand
paddle and the PDK shifts down.
and the control cable mechanism
prevents vibrations from being
transmit ted to the gear lever.
Hill-start assist.
Hill-start assist comes as standard
for manual and Porsche Doppel
-
kupplung (PDK) transmissions.
It assists the driver in making a
comfortable, smooth and roll-free
start on an incline.
The system automatically detects
that the vehicle has been braked
to a halt on an incline. Provided
a gear is engaged, the brake
pressure is maintained at all four
Cayman | Drive

5859
Cayman SCayman S
17- inch Cayman II wheel
18 - inch Cayman S II wheel
level of active safet y and a more
immediate driving response.
The car has a turning circle of
just 11.1 m. The steering wheel

also adjusts for height and reach.
For further details about available
steering wheels, please see
page 81.
The system updates quickly and
accurately after an engine start,
t yre pressure correction or wheel
change – for increased comfort
and safet y.
Steering.
What use is a perfect suspension
setup without perfectly tuned
steering? For Porsche, this would
be inconceivable. The solution is
a steering system that works with
as much precision and immediacy
as the chassis itself and, thanks to
the power assistance, steering
Wheels.
The Cayman is fit ted with
17-inch wheels as standard. The
star-shaped design expresses
sheer sportiness and allows
an eye- catching view of the brake
calipers. The Cayman S is fit ted
with large, 18-inch wheels as
standard and the turbine-like
arrangement of the spokes gives
the car an extremely powerful
look. 19 -inch wheels are available
for both models on request.
All available wheels are equipped
ef fort is reduced to a comfortable
level. Around the straight ahead
position, such as during motorway
driving, the ratio is less direct
with no loss of agilit y or feedback.
The greater the steering angle,

the more direct the steering ratio.
This is particularly noticeable
through tight bends and when
parking and provides a high
with anti-thef t protection. A
selection of alternative wheels,
such as the 19 -inch 911 Turbo II
wheel, is featured on page 117.
Tyre Pressure Monitoring (TPM).
The optional Tyre Pressure
Monitoring (TPM) sends warnings
to the on -board computer’s
display screen in the event of low
t yre pressure. The driver can
check the pressure in all four
t yres from the instrument cluster.
Cayman | Chassis

6061
Mechanically locking rear
differential.
Are you a fan of sport y driving? In
your spare time, do you enjoy the
occasional outing on the racetrack?
Then you shouldn’t do without the
optional mechanically locking rear
differential available in conjunction
with 18-inch or 19-inch wheels.
It further enhances the traction of
the driven rear wheels on uneven
roads and when accelerating out of
tight bends, and the damping of
load-change reactions during
fast cornering is reduced. Road
holding at the limits of perform-
ance is even more impressive. The
car holds its course bet ter and so
PSM (p. 72) intervenes less often.
In other words, sheer driving
pleasure and faster lap times.
Porsche Active Suspension
Management (PASM).
The optional PASM is an electronic
damping control system. PASM
actively and continuously regulates
the damping force for each wheel
according to the road conditions
and driving st yle. In addition, the
suspension is lowered by 10 mm.
The driver can select bet ween
t wo dif ferent modes: ‘Normal’
which is a blend of performance
and comfort, and ‘Sport ’ where
the setup is much firmer.
Depending on the mode selected,
therefore, PASM is sportier or
more comfortable than the
standard chassis. The PASM
control unit evaluates the driving
conditions and modifies the
damping force on each of the
wheels in accordance with the
selected mode. Sensors monitor the movement
of the vehicle body, for example,
under heav y acceleration and
braking or on uneven roads. The
control unit tunes the dampers
to the optimum hardness for the
selected mode to reduce roll and
pitch still further and to increase
contact bet ween each individual
wheel and the road.
In ‘Sport ’ mode, the suspension
is set to a harder damper rating.
On uneven roads, PASM immedi
-
ately switches to a softer rating
within the ‘Sport ’ setup range,
thereby improving contact
bet ween the wheels and the road.
When the road surface improves,
PASM automatically reverts
to the original, harder rating.
If ‘Normal’ mode is selected and
the driver’s st yle becomes more
assertive, PASM automatically
switches to a harder rating
within the ‘Normal’ setup range.
Damping becomes harder, and
driving stabilit y and road safet y
are increased.
Compression in ‘Normal’ mode –
working piston and bypass,
sporty-comfortable tuning Rebound in ‘Normal’ mode –
working piston and bypass,
sporty-comfortable tuning
Compression in ‘Sport ’ mode –
working piston only,
sport y- hard tuning Rebound in ‘Spor t ’ mode –
working piston only,
sporty-hard tuning
Cayman | Chassis

6263
Sport Chrono stopwatchSPORT and SPORT PLUS but tons
on the centre console
Sports steering wheel with gearshif t switches
For maximum dexterit y, PSM
can be set to standby while the
car is still in ‘Sport ’ mode (p. 72).
For safet y, it is set to intervene
automatically only when ABS
assistance is required on both
front wheels.
A key component of the Sport
Chrono Package is the swivel-
mounted stopwatch in the centre
of the dashboard with analogue
and digital display.
In combination with Porsche
Doppelkupplung (PDK), the Sport
Chrono Package offers t wo addi -
tional functions that are activated
by the SPORT PLUS but ton.
First, ‘Launch Control’, which
ensures you achieve the fastest
possible rate of acceleration from
a standing start – on the racetrack,
for example. ‘Launch Control’ is

operated via the SPORT PLUS
but ton with the ‘D’ or ‘M’ drive
position selected. Whilst the driver
depresses the brake pedal
with the lef t foot, the right foot
depresses the accelerator pedal
to the floor. With the accelerator
in the kickdown position, the
delayed until the upper rev range.
The shif t times are shorter, the
gear changes sportier. At low
rates of deceleration, the system
initiates a swif ter, brake-induced
downshift. In manual mode,

gear changes are faster and more
dynamic. In ‘Sport ’ mode, the
PSM system (p. 72) intervenes
later for increased longitudinal and
lateral dynamics. PSM now af fords
greater manoeuvrabilit y under
braking and exit acceleration,
especially at low speeds.
Sport Chrono Package.
Do you think driving a Porsche
should be an even more involving
experience than it is already? Your
wish is our command. On request,
we can equip your vehicle with the
Sport Chrono Package, which is
available for both of the Cayman
models. Its functions enable even
sportier tuning of the engine and
chassis and guarantee even more
driving pleasure.
Selecting the SPORT but ton
on the centre console activates ‘Sport ’ mode, which makes
throt tle response significantly
more immediate, adjusts the
rev-limiter to a harder set ting,

and tunes the engine dynamics
for performance driving.
The optional Porsche Active
Suspension Management (PASM)
also switches to ‘Sport ’ mode,
which of fers harder damping
and more direct steering and,
therefore, bet ter road holding.
With the optional PDK in automatic
mode, gearshif t points are system detects the driver’s
request for Launch mode and revs
the engine to an optimum speed
of approximately 6,500 rpm.
Engine torque increases and the
clutch closes slightly. The message
‘Launch Control’ appears on
the display on the steering wheel
for PDK. The driver now quickly
releases the brake – and prepares
for maximum acceleration.
Second, the ‘motorsport- derived
gearshif t strategy’. Using this, PDK
is geared up for maximum shif t
speed, the shortest possible shif t
times and optimum shif t points
for maximum acceleration – for
uncompromising performance.
Sport Chrono Package Plus.
On request, the optional Porsche
Communication Management
(PCM, p. 92) can be combined
with the Sport Chrono Package
Plus. In addition to the functions
of the Sport Chrono Package,
it includes a personal memory
function, which can be controlled
using PCM, and a performance
display for evaluating lap times.
Throttle
response
in ‘Sport’
mode Throttle
response
in ‘Normal’
mode
Both sets of characteristics
are dependent on engine
speed.
Pedal travel (%)
(%)
Torque
as percentage of maximum
Comparison of the ETC characteristic curve in ‘Normal’ mode and ‘Sport ’ mode
Cayman | Chassis

9091
CDR-30 audio system
When you’re driving along with bells and whistles,
why not listen to some music, too?
Porsche audio and communication systems.
output stages. For an even more
impressive sound experience,
you could opt for the Sound
Package Plus or BOSE
® Surround
Sound System.
Controlling the CDR-30 could not
be more simple: the function keys
ensure that all the main functions
are directly at your fingertips,
and it is possible to conveniently
control all of the most important
functions using the but tons on
any of the optional multifunction
steering wheels.
Admit tedly, to outperform the
distinctively powerful Porsche
sound is a real challenge.

Nevertheless, we’ve tried and
have developed audio systems
that offer a genuine alternative.
CDR-30 audio system.
Both Cayman models are
equipped as standard with the
CDR-30 audio system with
a 5-inch display (monochrome)
and an MP3- compatible CD drive. An integrated six- disc CD/ DVD
autochanger is available as an
option.
The FM dual tuner with RDS
diversit y, a total of 30 memory
presets, dynamic autostore and
speed-sensitive volume control
are, as usual, all part of the
standard package. Just like the
high-qualit y sound, which is

delivered by t wo high -range
speakers in the dashboard, t wo
low/mid-range speakers in the
door trims and t wo 25-wat t
Cayman | Comfort