No. 70-21-1

Service
Technical Information
70/21
ENU
WLN3
2
WLN3 – Replacing Starter (Workshop Campaign)
Revision:
This bulletin replaces bulletin Group 2 70/21 WLN3, dated March 28, 2022.
Model Year:
As of 2018 up to 2019
Vehicle Type:
Cayenne Turbo (9YA)
Market:
USA (C02)
Canada (C36)
Concerns:
Starter
Information:
The affected vehicles may have been installed with a starter on which the threaded joint for the
end cover can come loose and this can cause the starter to fail.
As a result, the vehicle might not start.
Action required: Replace starter.
Information
Please note that different parts are required for carrying out the campaign on the affected vehicles.
Every vehicle is assigned just one campaign scope.
 To find out which scope is assigned to the vehicle, see PCSS Vehicle Information.
Affected
Vehicles:
Only vehicles assigned to the campaign (see also PCSS Vehicle Information).
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Service
WLN3
ENU
Technical Information
70/21
Installation
Position:
Installation position of starter
1
– Starter (replace)
Required parts and materials
Parts Info:
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Vehicles with assigned campaign scope 1
Part No.
Designation
– Location
Qty.
V04015001BJ
 Starter
1 ea.
N 10314506
 Hexagon flange bolt, M10 x 50
– Starter
1 ea.
PAF911296
 Bihexagonal head bolt
- Starter
1 ea.
9A700803500
 Internal hexagon round-head countersunk screw,
M8 x 60
– Belt tensioner
1 ea.
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Service
Technical Information
Parts Info:
70/21
ENU
9A700806600
 Internal hexagon round-head countersunk screw,
M8 x 33
– Belt tensioner
1 ea.
PAF00072900
 Hexagon socket head bolt, M8 x 20
– Engine guard or front underbody cover
3 ea.
PAB253115
 Seal
– Right catalytic converter
1 ea.
PAF911308
 Hexagon collar nut, self-locking
– Right catalytic converter
3 ea.
WLN3
2
Vehicles with assigned campaign scope 2
Part No.
Designation
– Location
Qty.
V04015001BJ
 Starter
1 ea.
N 10314506
 Hexagon flange bolt, M10 x 50
– Starter
1 ea.
PAF911296
 Bihexagonal head bolt
– Starter
1 ea.
9A700803500
 Internal hexagon round-head countersunk screw,
M8 x 60
– Belt tensioner
1 ea.
9A700806600
 Internal hexagon round-head countersunk screw,
M8 x 33
– Belt tensioner
1 ea.
PAF00072900
 Hexagon socket head bolt, M8 x 20
– Engine guard or front underbody cover
3 ea.
PAB253115
 Seal
– Right catalytic converter
1 ea.
PAF911308
 Hexagon collar nut, self-locking
– Right catalytic converter
3 ea.
PAF82595100
 Screw, M6 x 20
– Front underbody cover
2 ea.
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Service
WLN3
Materials:
ENU
Technical Information
70/21
Required materials (usually already available at the Porsche dealer):
Part No.
Designation
– Location
Qty.
D 00940104
 Cleaning solution
or alternative (commercially available)
– Locking element in converter area
250 ml/ 8.45
fl oz container
(approx. 100 ml/
3.38 fl oz required
per vehicle)*
00004330532
 Sealing compound
– Locking element in converter area
300 ml/ 10.14 fl oz
container (approx. 5
ml/ 0.17 fl oz required
per vehicle)
*For warranty processing, the cleaning solution can be invoiced either under the part number or under
Part No. WLN30000001 with the "expendable items" designation as an additional part in the warranty
claim.
Required tools
Tools:
•
•
•
•
•
•
T10384 - Ratchet wrench, a/f 13
VAS 6928 - Socket set, 39-piece
10-222A - Support bracket
VAS 6891 - Spring clip pliers
VAS 6931 - Engine and gearbox jack
Tension strap
Preparatory work
Work Procedure: 1
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Disconnect the battery.  Workshop Manual '2X00IN Work instructions after disconnecting the
battery'
2
Remove belt tensioner.  Workshop Manual '2X00IN Removing and installing drive belt (V8 biturbo)'
3
Remove generator.  Workshop Manual '272219 Removing and installing generator (V8 biturbo)'
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Technical Information
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70/21
WLN3
2
Remove heat shield  Heat shield for front-axle
carrier -3-.
4.1
Unscrew screws  Heat shield for front-axle
carrier -1 and 2- and guide out heat shield 
Heat shield for front-axle carrier -3-.
5
Remove right catalytic converter.  Workshop
Manual '267319 Removing and installing catalytic
converter (V8 biturbo)'
6
Remove right engine mount.  Workshop Manual
'103519 Removing and installing engine mounts (V8
biturbo)'
7
ENU
Heat shield for front-axle carrier
Remove right engine support  Right engine support
-1-.
7.1
Unscrew screws  Right engine support -2-.
7.2
Remove right engine support  Right engine
support -1-.
Right engine support
Replacing starter (campaign scope 1-2)
WARNING
Danger of objects or loads falling down
•
Risk of squashing or crushing

Secure components to prevent them from falling down.
CAUTION
Hot components
•
Risk of burns

Let hot components cool down.

Wear personal protective gear.
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Service
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Work Procedure: 1
Technical Information
70/21
Disconnect starter from engine wire harness.
1.1
Secure the starter to prevent it from falling
down.
1.2
Release and disconnect electric plug
connection  Electric lines for starter -1-.
1.3
Screw off nut  Electric lines for starter
-2- and remove B+ line  Electric lines for
starter -3- from the starter.
Electric lines for starter
2
Remove the starter  Starter screws -1-.
2.1
Unscrew screws  Starter screws -2- and 
Starter screws -3-.
2.2
Remove and replace the starter  Starter
screws -1-.
Starter screws
3
Remove locking element in converter area  Locking
element in converter area -1-.
3.1
Clean locking element in converter area 
Locking element in converter area -1- and the
surface of the crankcase  Locking element
in converter area -2- carefully with cleaner
(Part No. D00940104).
3.2
Coat the surface of the crankcase 
Locking element in converter area -2- and
the opposite piece of the locking element
in the converter area  Locking element in
converter area -1- with a small amount of
sealing compound (Part No. 00004330532).
3.3
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Locking element in converter area
Position the locking element in the converter area  Locking element in converter area -1and let the sealing compound dry off.
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Technical Information
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70/21
ENU
WLN3
2
Install new starter  Starter screws -1-.
4.1
Install and tighten screws  Starter screws
-1 and 2-.
Screw  Starter screws -2-: Tightening
torque 65 Nm (48ftlb.)
Screw  Starter screws -3-:
Initial tightening 30 Nm (22 ftlb.)
Final tightening +105°
Starter screws
5
Connect starter to engine wire harness.
5.1
Connect and lock electric plug connection 
Electric lines for starter -1-.
5.2
Install B+ line  Electric lines for starter -3on the starter and tighten the nut  Electric
lines for starter -2-.
Tightening torque 20 Nm (15 ftlb.)
Electric lines for starter
6
Secure wire harness for starter  Wire harness for
starter on engine mount bracket -1- to engine mount
bracket.
6.1
Position wire harness for starter  Wire
harness for starter on engine mount bracket
-1- on engine mount bracket.
6.2
Screw on and tighten nut  Wire harness for
starter on engine mount bracket -2-.
Tightening torque 20 Nm (15ftlb.)
Wire harness for starter on
engine mount bracket
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Technical Information
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Concluding work
1
Install right engine support  Right engine support
-1-.
1.1
Tighten screws  Right engine support -2-.
Tightening torque 55 Nm (41 ftlb.)
2
Install right engine mount.  Workshop Manual
'103519 Removing and installing engine mounts (V8
biturbo)'
3
Install right catalytic converter.  Workshop Manual
'267319 Removing and installing catalytic converter
(V8 biturbo)'
4
Right engine support
Install heat shield  Heat shield for front-axle carrier
-2-.
4.1
Insert heat shield  Heat shield for front-axle
carrier -3- and install and tighten screws 
Heat shield for front-axle carrier -1 and 2-.
Screw  Heat shield for front-axle carrier -1-:
Tightening torque 9 Nm (6.5 ftlb.)
Screw  Heat shield for front-axle carrier -2-:
Tightening torque 9 Nm (6.5 ftlb.)
5
Install generator.  Workshop Manual '272219
Removing and installing generator (V8 biturbo)'
6
Install belt tensioner.  Workshop Manual '137319 Removing and installing belt tensioner
(generator)'
7
Connect the battery.  Workshop Manual '2X00IN Work instructions after disconnecting the
battery'
Heat shield for front-axle carrier
– End of action required –
Enter the campaign in the Warranty and Maintenance booklet.
Warranty processing
Scope 1:
Replacing starter
•
Jul 14, 2022
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Relevant for Cayenne Turbo (9YA) with protective plate for engine (1SF)
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Service
Technical Information
70/21
ENU
WLN3
2
Working time:
Replacing starter
Includes:
Removing and installing catalytic converter
Removing and installing engine mount
Removing and installing heat shield
Removing and installing generator
Removing and installing front cover
Removing and installing belt tensioner
Connecting and disconnecting battery ground strap
Labor time: 377 TU
Parts required:
V04015001BJ
Starter
1 ea.
N 10314506
Hexagon flange bolt, M10 x 50
1 ea.
PAF911296
Bihexagonal head bolt
1 ea.
9A700803500
Internal hexagon round-head countersunk screw, M8 x 60
1 ea.
9A700806600
Internal hexagon round-head countersunk screw, M8 x 33
1 ea.
PAF00072900
Hexagon socket head bolt, M8 x 20
3 ea.
PAB253115
Seal
1 ea.
PAF911308
Hexagon collar nut, self-locking
3 ea.
Required materials (usually already available at the Porsche dealer):
D 00940104
Cleaning solution
0.4 ea.
WLN30000001*
Expendable items
0.4 ea.
00004330532
Sealing compound
0.04 ea.
or
* For warranty processing, enter the Part No. WLN30000001 with the "expendable items" designation as an additional part costing $6.25 in the warranty claim.
 Damage Code WLN3 66 000 2
Scope 2:
Replacing starter
•
Relevant for Cayenne Turbo (9YA) without protective plate for engine (1SA)
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Technical Information
70/21
Working time:
Labor time: 377 TU
Replacing starter
Includes:
Removing and installing catalytic converter
Removing and installing engine mount
Removing and installing heat shield
Removing and installing generator
Removing and installing front cover
Removing and installing belt tensioner
Connecting and disconnecting battery ground strap
Parts required:
V04015001BJ
Starter
1 ea.
N 10314506
Hexagon flange bolt, M10 x 50
1 ea.
PAF911296
Bihexagonal head bolt
1 ea.
9A700803500
Internal hexagon round-head countersunk screw, M8 x 60
1 ea.
9A700806600
Internal hexagon round-head countersunk screw, M8 x 33
1 ea.
PAF00072900
Hexagon socket head bolt, M8 x 20
3 ea.
PAB253115
Seal
1 ea.
PAF911308
Hexagon collar nut, self-locking
3 ea.
PAF82595100
Screw, M6 x 20
2 ea.
Required materials (usually already available at the Porsche dealer):
D 00940104
Cleaning solution
0.4 ea.
WLN30000001*
Expendable items
0.4 ea.
00004330532
Sealing compound
0.04 ea.
or
* For warranty processing, enter the Part No. WLN30000001 with the "expendable items" designation as an additional part costing $6.25 in the warranty claim.
 Damage Code WLN3 66 000 2
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.
© 2022 Porsche Cars North America, Inc.
Jul 14, 2022
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