No. 180-18

Service
Technical Information
180/18 ENU
1582
1
Complaint - Cylinder Head Cover Near the Injector holes Leaking: Subsequent Work on
Cylinder Head (180/18)
Change overview:
Version
Date
Change
0
12/02/2019
First publication
1
01/08/2021
Checking for leaks at the solenoid hydraulic valve for valve lift
control is no longer required
2
01/26/2021
Information update
Vehicle Types:
Panamera (971)/Panamera 4 (971)/Panamera 4 E-Hybrid (971)/Panamera 4S
(971)/Panamera 4 Sport Turismo (971)/Panamera 4 E-Hybrid Sport Turismo
(971)/Panamera 4 S Sport Turismo (971)
Model Year:
As of 2017 up to 2020
Subject:
Cylinder head cover
Information:
Complaint about injector hole leaks
Information
•
The casting procedure may have caused cast residue in the cylinder head cover sealing groove.
•
This cast residue may cause the injector holes to leak.
In the event of a complaint, the corresponding position of the leak(s) must be located before doing any
other work and then rectified on a case-by-case basis, see section "Procedure".
AfterSales
Jan 26 2021
Page 1 of 13
1
Service
1582
ENU
Work Procedure: –
Technical Information
180/18
Cylinder head cover component overview:
1
2
3
4
Component overview of cylinder
head cover
– Insulation on top of cylinder head
cover
– Insulation on bottom of cylinder
head cover
– Solenoid hydraulic valve for valve
lift adjustment
– Cylinder head cover
Information
•
Other electric plug connections and line guides must be disconnected to remove the cylinder head
cover insulation.
1
Identify the cause of the leak(s):
1.1
To remove engine cover (design cover), see  Workshop Manual '108319 Removing and
installing engine cover (design cover) (V6 Turbo)'.
1.2
To remove turbocharger heat shield, see  Workshop Manual '261219 Removing and
installing turbocharger heat shield (V6 Turbo)'.
1.3
Look to see whether both cylinder head covers have leaks, then continue on the relevant
cylinder head with  1.4.
1.4
Remove insulation on top of the cylinder head cover.
Information
If the insulation on the top of the cylinder head cover is already soaked with oil, it must be
replaced.
Jan 26 2021
Page 2 of 13
AfterSales
Service
Technical Information
2
180/18 ENU
1582
1
Subsequent work on cylinder head:
2.1
To remove fuel collection pipe on the affected cylinder head, see  Workshop Manual
'243019 Removing and installing fuel collection pipe (V6 turbo)'.
2.2
Remove insulation on bottom of the cylinder head cover.
2.3
Identify the affected cylinder(s) by a visual inspection:
2.3.1
Oil must have collected in the vicinity of the injector of the affected cylinder and the
insulation on the bottom of the cylinder head cover should be fully soaked.
 Fault type 2: Cylinder head cover
leaking
2.3.2
If all affected cylinders are identified, make a note of them and
continue with  2.4.
2.4
To remove cylinder head cover and dispose
of old seal, see  Workshop Manual '158219
Removing and installing cylinder head cover
(V6 turbo)'.
2.5
Clean cylinder head cover.
2.6
Fault type 2: Cylinder head cover leaking
Check the sealing groove ( Cylinder head
cover sealing groove -1-) of the cylinder head cover visually. Be particularly meticulous when
doing this especially in the vicinity of the affected cylinder.
2.7
Carefully remove any cast residue ( Cylinder head cover sealing groove -2-) using a small
flat screwdriver, ensuring that the sealing groove is not damaged. There must be
no more cast residue in the sealing groove after machining ( Cylinder head cover sealing
groove -3-).
2.8
To install a new seal on the cylinder head cover, see  Workshop Manual '158219 Removing
and installing cylinder head cover (V6 turbo)'.
2.9
Replace and install the insulation on the bottom of the cylinder head cover.
2.10
To install fuel collection pipe, see  Workshop Manual '243019 Removing and installing fuel
collection pipe (V6 Turbo)'.
AfterSales
Jan 26 2021
Page 3 of 13
1
Service
1582
ENU
Technical Information
180/18
Cylinder head cover sealing groove
3
Invoicing:
Subsequent work:
3.1
Install insulation on top of the cylinder head cover.
3.2
To install the turbocharger heat shield, see  Workshop Manual '261219 Removing and
installing turbocharger heat shield (V6 Turbo)'.
3.3
To install engine cover (design cover), see  Workshop Manual '108319 Removing and
installing engine cover (design cover) (V6 Turbo)'.
The work involved is invoiced under the labor operation:
APOS
Labor operation
15824912
Subsequent work on cylinder head cover 1–3
15824911
Subsequent work on cylinder head cover 4–6
15824914
Subsequent work on cylinder head cover on
cylinders 1–3 (97AAA1, 97ABA1, 97BAA1,
97BBA1, 97CBA1)
15824913
Subsequent work on cylinder head cover on
cylinders 4–6 (97AAA1, 97ABA1, 97BAA1,
97BBA1, 97CBA1)
Jan 26 2021
Page 4 of 13
I No.
AfterSales
Service
Technical Information
180/18 ENU
1582
1
I No.
APOS
Labor operation
15824916
Subsequent work on cylinder head cover on
cylinders 1–3 (97ABE1 97BBE1, 97CBE1)
15824915
Subsequent work on cylinder head cover on
cylinders 4–6 (97ABE1 97BBE1, 97CBE1)
15824924
Subsequent work on cylinder head cover on
cylinders 1–3 (97ADB1 97BDB1, 97CDB1)
15824923
Subsequent work on cylinder head cover on
cylinders 4–6 (97ADB1, 97BDB1, 97CDB1)
For invoicing and documentation using PQIS, enter the following coding:
Location (FES5)
15800
Cylinder head cover seal
Damage type (SA4)
5041
Oil/grease leak
References:
 Workshop Manual '108319 Removing and installing engine cover (design cover) (V6 Turbo)'
 Workshop Manual '261219 Removing and installing heat shield for turbocharger (V6 Turbo)'
 Workshop Manual '243019 Removing and installing fuel collection pipe (V6 Turbo)'
 Workshop Manual '158219 Removing and installing cylinder head cover (V6 Turbo)'
Change overview:
Version
Date
Change
0
07.02.2019
First publication
1
14.12.2020
Checking for leaks at the solenoid hydraulic valve for valve lift
control is no longer required
Vehicle Types:
Cayenne (9YA)/Cayenne E-Hybrid (9YA)/Cayenne S (9YA)
Subject:
Cylinder head cover
Infoarmation:
Complaint about injector hole leaks
Information
•
Due to a batch error in the casting procedure there may be cast residue in the cylinder head cover
sealing groove.
•
This cast residue may cause the injector holes to leak.
In the event of a complaint, the corresponding position of the leak(s) must be located before doing any
other work and then rectified on a case-by-case basis, see section "Procedure".
AfterSales
Jan 26 2021
Page 5 of 13
1
Service
1582
ENU
Work Procedure: –
Technical Information
180/18
Cylinder head cover component overview:
1
2
3
4
Component overview of cylinder
head cover
– Insulation on top of cylinder head
cover
– Insulation on bottom of cylinder
head cover
– Solenoid hydraulic valve for valve
lift adjustment
– Cylinder head cover
Information
•
Other electric plug connections and line guides must be disconnected to remove the cylinder head
cover insulation.
1
Identify the cause of the leak(s):
1.1
To remove air filter housing, see  Workshop Manual '242519 Removing and installing air
filter housing'.
1.2
Look to see whether both cylinder head covers have leaks, then continue on the relevant
cylinder head with  1.3.
1.3
Remove insulation on top of the cylinder head cover.
Information
If the insulation on the top of the cylinder head cover is already soaked with oil, it must be
replaced.
Jan 26 2021
Page 6 of 13
AfterSales
Service
Technical Information
2
180/18 ENU
1582
1
Subsequent work on cylinder head cover:
2.1
To remove fuel collection pipe on the affected cylinder head, see  Workshop Manual
'243019 Removing and installing fuel collection pipe (V6 turbo)'.
2.2
Remove insulation on bottom of the cylinder head cover.
2.3
Identify the affected cylinder(s) by a visual inspection:
2.3.1
Oil must have collected in the vicinity of the injector of the affected cylinder and the
insulation on the bottom of the cylinder head cover should be fully soaked.
 Fault type 2: Cylinder head cover
leaking
2.3.2
If all affected cylinders are identified, make a note of them and
continue with  2.4.
2.4
To remove cylinder head cover and dispose
of old seal, see  Workshop Manual '158219
Removing and installing cylinder head cover
(V6 turbo)'.
2.5
Clean cylinder head cover.
2.6
Fault type 2: Cylinder head cover leaking
Check the sealing groove ( Cylinder head
cover sealing groove -1-) of the cylinder head cover visually. Be particularly meticulous when
doing this especially in the vicinity of the affected cylinder.
2.7
Carefully remove any cast residue ( Cylinder head cover sealing groove -2-) using a small
flat screwdriver, ensuring that the sealing groove is not damaged. There must be no more
cast residue in the sealing groove after machining ( Cylinder head cover sealing groove
-3-).
2.8
To install a new seal on the cylinder head cover, see  Workshop Manual '158219 Removing
and installing cylinder head cover (V6 turbo)'.
2.9
Replace and install the insulation on the bottom of the cylinder head cover.
2.10
To install fuel collection pipe, see  Workshop Manual '243019 Removing and installing fuel
collection pipe (V6 Turbo)'.
AfterSales
Jan 26 2021
Page 7 of 13
1
Service
1582
ENU
Technical Information
180/18
Cylinder head cover sealing groove
3
Invoicing:
Subsequent work:
3.1
Install insulation on top of the cylinder head cover.
3.2
To install air filter housing, see  Workshop Manual '242519 Removing and installing air
filter housing'.
The work involved is invoiced under the labor operation:
APOS
Labor operation
15824912
Subsequent work on cylinder head cover on
cylinders 1–3 (9YAAA1, 9YAAE1)
15824911
Subsequent work on cylinder head cover on
cylinders 4–6 (9YAAA1, 9YAAE1)
15824914
Subsequent work on cylinder head cover on
cylinders 1–3 (9YAAA1, 9YAAE1)
15824913
Subsequent work on cylinder head cover on
cylinders 4–6 (9YAAA1, 9YAAE1)
15824922
Subsequent work on cylinder head cover on
cylinders 1 –3 (9YABB1)
Jan 26 2021
Page 8 of 13
I No.
AfterSales
Service
Technical Information
180/18 ENU
1582
1
I No.
APOS
Labor operation
15824921
Subsequent work on cylinder head cover on
cylinders 4–6 (9YABB1)
15824924
Subsequent work on cylinder head cover on
cylinders 1–3 (9YABB1)
15824923
Subsequent work on cylinder head cover on
cylinders 4–6 (9YABB1)
For invoicing and documentation using PQIS, enter the following coding:
Location (FES5)
15800
Cylinder head cover seal
Damage type (SA4)
5041
Oil/grease leak
References:
 Workshop Manual '242519 Removing and installing air cleaner housing '
 Workshop Manual '243019 Removing and installing fuel collection pipe (V6 Turbo)'
 Workshop Manual '158219 Removing and installing cylinder head cover (V6 Turbo)'
Change overview:
Version
Date
Change
0
07.02.2019
First publication
1
14.12.2020
Checking for leaks at the solenoid hydraulic valve for valve lift
control is no longer required
Vehicle type:
Macan S (95B)
Subject:
Cylinder head cover
Information:
Complaint about injector hole leaks
Information
•
Due to a batch error in the casting procedure there may be cast residue in the cylinder head cover
sealing groove.
•
This cast residue may cause the injector holes to leak.
In the event of a complaint, the corresponding position of the leak(s) must be located before doing any
other work and then rectified on a case-by-case basis, see section "Procedure".
AfterSales
Jan 26 2021
Page 9 of 13
1
Service
1582
ENU
Work Procedure: –
Technical Information
180/18
Cylinder head cover component overview:
1
2
3
4
Component overview of cylinder
head cover
– Insulation on top of cylinder head
cover
– Insulation on bottom of cylinder
head cover
– Hydraulic valve for valve lift
switchover
– Cylinder head cover
Information
•
Other electric plug connections and line guides must be disconnected to remove the cylinder head
cover insulation.
1
Identify the cause of the leak(s):
1.1
Remove engine cover, see  Workshop Manual '108319 Removing and installing engine
cover (design cover) (V6 Turbo)'.
1.2
Look to see whether both cylinder head covers have leaks, then continue on the relevant
cylinder head with  1.3.
1.3
Remove insulation on top of the cylinder head cover.
Information
If the insulation on the top of the cylinder head cover is already soaked with oil, it must be
replaced.
2
Jan 26 2021
Page 10 of 13
Subsequent work on cylinder head:
2.1
Remove fuel collection pipe on the affected cylinder head, see  Workshop Manual '243019
Removing and installing fuel collection pipe'.
2.2
Remove insulation on bottom of the cylinder head cover.
2.3
Identify the affected cylinder(s) by a visual inspection:
AfterSales
Service
Technical Information
2.3.1
180/18 ENU
1582
1
Oil must have collected in the vicinity of the injector of the affected cylinder and the
insulation on the bottom of the cylinder head cover should be fully soaked.
 Fault type 2: Cylinder head cover
leaking
2.3.2
If all affected cylinders are identified, make a note of them and
continue with  2.4.
2.4
To remove cylinder head cover and dispose
of old seal, see  Workshop Manual '158219
Removing and installing cylinder head cover
(V6 turbo)'.
2.5
Clean cylinder head cover.
2.6
Fault type 2: Cylinder head cover leaking
Check the sealing groove ( Cylinder head
cover sealing groove -1-) of the cylinder head cover visually. Be particularly meticulous when
doing this especially in the vicinity of the affected cylinder.
2.7
Carefully remove any cast residue ( Cylinder head cover sealing groove -2-) using a small
flat screwdriver, ensuring that the sealing groove is not damaged. There must be no more
cast residue in the sealing groove after machining ( Cylinder head cover sealing groove
-3-).
2.8
To install a new seal on the cylinder head cover, see  Workshop Manual '158219 Removing
and installing cylinder head cover (V6 turbo)'.
2.9
Replace and install the insulation on the bottom of the cylinder head cover.
2.10
Install fuel collection pipe, see  Workshop Manual '243019 Removing and installing fuel
collection pipe'.
AfterSales
Jan 26 2021
Page 11 of 13
1
Service
1582
ENU
Technical Information
180/18
Cylinder head cover sealing groove
3
Invoicing:
Subsequent work:
3.1
Install insulation on top of the cylinder head cover.
3.2
Install engine cover, see  Workshop Manual '108319 Removing and installing engine cover
(design cover) (V6 Turbo)'.
For documentation and warranty invoicing, enter the labor operations and PQIS coding specified below in
the warranty claim:
I No.
APOS
Labor operation
15824922
Subsequent work on cylinder head cover on
cylinders 1–3 (96 TU)
15824921
Subsequent work on cylinder head cover on
cylinders 4–6 (100 TU)
15824924
Subsequent work on cylinder head cover on
cylinders 1–3 (1,998 TU)
15824923
Subsequent work on cylinder head cover on
cylinders 4–6 (1,975 TU)
Jan 26 2021
Page 12 of 13
AfterSales
Service
Technical Information
180/18 ENU
1582
1
PQIS coding
Location (FES5)
15800
Cylinder head cover seal
Damage type (SA4)
5041
Oil/grease leak
References:
 Workshop Manual '108319 Removing and installing engine cover (design cover) (V6 Turbo)'
 Workshop Manual '243019 Removing and installing fuel collection pipe'
 Workshop Manual '158219 Removing and installing cylinder head cover (V6 Turbo)'
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.
© 2021 Porsche Cars North America, Inc.
AfterSales
Jan 26 2021
Page 13 of 13