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Service

Technical Information

148/15 ENU

WF89

WF89 - Replacing Coolant Regulator (Workshop Campaign)

Vehicle type:

Cayenne S Hybrid (92A)

Model Year:

2011

Country/Market:

•
•
•

Subject:

Coolant regulator

Issue:

A coolant regulator that does not meet the high Porsche quality standards may have been
installed in the affected vehicles.

USA (C02)
Canada (C36)
Korea (C39)

The function of the coolant regulator can therefore be impaired over the service life of the vehicle and as a
result, the red warning "Coolant temperature too high" can be displayed in the instrument cluster.
Remedial
action:

Replace coolant regulator.

Affected
Vehicles:

Only the vehicles assigned to the campaign (see also PIWIS Vehicle information).

Parts Info:

NOTE: PARTS FOR THIS CAMPAIGN WILL BE AUTOMATICALLY ALLOCATED FOR UP TO 80% OF
THE VEHICLES THAT ARE SERVICED AT YOUR DEALERSHIP. ONCE YOUR DEALERSHIP IS OUT
OF STOCK AND REQUIRES ADDITIONAL PARTS, PLEASE SUBMIT A PTEC/PAV.
Part No.

Designation
– Use

Qty.

000 043 303 59

 Thermostat housing with coolant regulator

1 ea.

000 043 303 53

 Sealing ring
– Front centre coolant pipe

1 ea.

000 043 303 54

 Sealing ring
– Front coolant pipe, left and right

2 ea.

000 043 303 56

 Seal
– Intake manifold, top

6 ea.

000 043 303 52

 Breather pipe
– Crankcase to compressor

1 ea.

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AfterSales

Feb 19, 2016
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Materials:

000 043 305 16

Tools:

•
•

Antifreeze

20-litre container
(approx. 1.5 litres required
per vehicle)

•
•

T10060 A - Staking mandrel
Spring band clamp pliers., e.g VAS 6890 - Spring band clamp pliers and VAS 6891 - Spring
band clamp pliers
Hose clamps, up to 25 mm, e.g. 3094 - Hose clamp (2 ea.)
9696 - Filling device
Torque wrench, 2 - 10 Nm (1.5 - 7.5 ftlb.), e.g. V.A.G 1783 - Torque wrench, 2-10 Nm (1.5-7.5
ftlb.)
Torque wrench, 6 - 50 Nm (4.5 - 37 ftlb.), e.g. V.A.G 1331 - Torque wrench, 6-50 Nm (4.5-37
ftlb.)
Open-jawed insert, a/f 17 for torque wrench
Drip tray

1

Remove engine guard  Workshop Manual '108019 Removing and installing engine guard'.

•
•
•
•

Procedure:

Technical Information

WARNING
Hot fluid
•

Danger of scalding



Let the fluid cool down.



Wear personal protective gear.
2

Drain coolant for high-temperature cooling system  Workshop Manual '193817 Draining and filling
coolant (includes bleeding)'.

3

Remove the engine cover.

4

Remove engine compartment trim panel at the right  Workshop Manual '700219 Removing and
installing front trim panel (engine compartment)'.

5

Remove drive belt for compressor  Workshop Manual '137819 Removing and installing drive belt'.

6

Disconnect the battery  Workshop Manual '978509 Loosening and securing ground strap for
battery'.

WARNING
Hot fluid
•

Danger of scalding



Let the fluid cool down.

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Service

Technical Information


148/15 ENU

WF89

1

Wear personal protective gear.
7

Remove compressor  Workshop Manual '211419 Removing and installing compressor (Hybrid)'.

8

Disconnect front left coolant pipes.
8.1

Loosen vacuum pipe from the holder 
Front left coolant pipes -1- and unscrew and
remove fastening screw  Front left coolant
pipes -2-.

Front left coolant pipes
8.2

Unscrew and remove fastening screws 
Screws for coolant pipes for low-temperature
system -1 and 2- for coolant pipes for
low-temperature system.

8.3

To make it easier to reach the outer left
fastening screw  Screws for coolant pipes
for low-temperature system -3-, loosen
the additional coolant pump at the holder if
necessary.

Screws for coolant pipes for
low-temperature system
To do this, loosen the top fastening screws
and unscrew and remove the bottom
fastening screw  Additional coolant pump
-arrows-.
The electric plug connection  Additional
coolant pump -1- and coolant hoses  Additional coolant pump -2- remain connected to
the additional coolant pump.

Additional coolant pump

2016© Porsche Cars North America, Inc.

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Technical Information

WARNING
Hot fluid
•

Danger of scalding



Let the fluid cool down.



Wear personal protective gear.
9

Remove front coolant pipe  Front coolant pipe.
Overview
Blue
1
2
3

–
–
–
–

Front coolant pipe
Hose clamp
Coolant temperature sensor
Screw securing coolant pipe to coolant
regulator
Arrows – Fastening screws for front coolant pipe

Front coolant pipe
9.1

Remove coolant hose from the front coolant
pipe.
To do this, release the retaining clip 
Coolant hose on front coolant pipe -arrowand pull the coolant hose off the coolant pipe.
Then push the retaining clip in again.

Coolant hose on front coolant pipe

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9.2

Disconnect electric plug connection at the
coolant pump valve  Coolant pump valve
-1-.

9.3

Press the locking mechanism  Coolant
pump valve -arrows- together and pull
coolant pump valve  Coolant pump valve
-1- off the front coolant pipe  Coolant pump
valve -arrow-.

WF89

1

Information
Due to restricted access to the locking
mechanism, an alternative approach would
Coolant pump valve
be to disconnect the vacuum lines at the
coolant pump valve. The valve can remain on the coolant pipe.
In this case, mark the position of the vacuum lines at the connections on the valve.
9.4

Disconnect secondary-air hose 
Secondary-air hose and coolant hose -1and coolant hose  Secondary-air hose and
coolant hose -arrow-.
To do this, release the retaining clip on the
coolant hose and pull the coolant hose off the
coolant pipe.
Then push the retaining clip in again.

Secondary-air hose and coolant hose
9.5

Loosen hose clamp  Front coolant pipe
-1- and disconnect electric plug connection
 Front coolant pipe -2- on the coolant
temperature sensor.

9.6

Unscrew and remove screw  Front coolant
pipe -3- securing the coolant pipe to the
coolant regulator.

9.7