NHTSA ID Number: 11000918
Manufacturer Communication Number: No. 31-24-1
TSB/Document Date: 2024-06-05
Summary
Technical information for a stop delivery - review power steering gear and replace if necessary
Service
Technical Information
31/24
ENU
WRC6
4
WRC6 Stop Delivery - Review Power Steering Gear and Replace if Necessary (Stop
Delivery)
Change overview
Release
Date
Change
0
04/05/2024
•
First publication
1
05/13/2024
•
•
Work procedure adjusted
Scope 19 “Review power steering gear” added
Model Line:
Cayenne (9YA / 9YB)
Model Year:
2024
Concerns:
Power steering gear
Cause:
There is a possibility that a power steering gear installed on the affected vehicles does not
meet the required specifications.
Action:
Review power steering gear and replace if necessary.
Affected
Vehicles:
Only vehicles assigned to the campaign (see also PCSS Vehicle Information).
AfterSales
May 13, 2024
Page 1 of 28
4
Service
WRC6
ENU
Technical Information
31/24
Installation
Position:
Installation position for power steering gear
Required parts
Information
The forecast failure rate is only 0,2%.
Therefore, please order the required parts for replacing defective power steering gear only if
necessary.
The part numbers of the required parts and materials for the respective vehicle can be seen in the
assigned scope. For an overview of the campaign scopes, see: Technical Information 'Warranty
processing'.
For materials (lubricants) required for carrying out the action, see the corresponding Workshop Manual in
PCSS. These lubricants are usually available in the Porsche
Center.
Required tools
Tools:
May 13, 2024
Page 2 of 28
•
•
•
Threaded bolts for fitting wheel
Assembly wedge
Plastic-coated assembly lever
AfterSales
Service
Technical Information
•
•
•
•
•
•
•
•
•
•
•
31/24
ENU
WRC6
4
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 1331A - torque spanner, 6-50 Nm (4.5-37
ftlb.)
Torque wrench, 40-200 Nm (30-148 ftlb.) e.g. V.A.G 1332A - torque wrench, 40-200 Nm
(30-148 ftlb.)
Battery charger with a current rating of at least 90 A, e.g. VAS 5908 - battery charger 90 A
P90999 - PIWIS Tester 4
T10187 - Press-out tool
VAS 6927 - Tie-wrap pliers
VAS 6931A - Transmission and gearbox jack
VAS 6826 - Steering wheel balance
T40183 - Insertion tool
VAS 6918 - Quick-clamping unit
Tools additionally required for vehicles with hybrid drive system PHEV (M-No. 0K3)
•
•
•
•
•
•
•
T40262 - Locking cap
VAS 6410 - Contact surface cleaning set
High-Voltage Test Adapter HVR 40
VAS 6558A - High-Voltage test adapter
VAS 6558A/45 - HV test adapter
VAS 6883A - Insulated tool set
WE 1383 - Hybrid warning signs
Tools additionally required for vehicles with adaptive air suspension (M-No. 1BK)
•
•
9229/1 - Puller hook
VAS 6918 - Quick-clamping unit
Additionally required tools for vehicles with Night View Assist (M no. 9R1)
•
•
•
VAS 6350A - Calibration unit
VAS 6430/1A - Adjustment device with reflector
VAS 6430/6 - Night View Assist calibration unit
Tools additionally required for vehicles with multi-function camera (M-No. QK1 / QK3)
•
•
•
•
VAS 6350/2A - Spacing laser
VAS 6430/4 - Lane Keep Assist calibration board
Wheel center mounting VAS 6350
VAS 6430/3 - Mirror for adjustment device
Tools additionally required for vehicles with automatic distance control (M-No. 3V1 / 3V2 /
8T3 / 8T8)
•
VAS 6430/3 - Mirror for adjustment device
AfterSales
May 13, 2024
Page 3 of 28
4
Service
WRC6
ENU
Technical Information
31/24
Check power steering gear
Work Procedure: 1
2
Loosen front underbody cover.
For instructions, see: Workshop Manual '51921900 Removing and installing front underbody
cover'
Check power steering gear in the area of the left and
right rubber-metal mounts. Rubber-metal mount
(shown on the right side of the vehicle)
Rubber-metal mount (shown on the
right side of the vehicle)
Assessment
( )
Cast housing of the power steering gear has
no cracks.
Action
Check OK.
•
•
•
(✗)
The cast housing of the power steering gear
has cracks.
Secure cover for front underbody
Entering campaign in Warranty and
Maintenance logbook
Invoicing for Scope 19
Review not OK.
Replace power steering gear.
Continue with Technical Information
'51921900 Replacing the power steering
gear'
Cracking of rubber-metal mount
May 13, 2024
Page 4 of 28
AfterSales
Service
Technical Information
31/24
ENU
WRC6
4
Replacing power steering gear
Work Procedure: 3
Vehicles with PHEV hybrid drive system (M-No. 0K3)
Isolate the high-voltage system from the power supply. Workshop Manual '2X00IN Deactivate/Start the high-voltage system'
4
Remove power steering gear and install new power steering gear. Workshop Manual '489019
Removing and installing power steering gear'
5
Vehicles with PHEV hybrid drive system (M-No. 0K3)
Start the high-voltage system Workshop Manual '2X00IN Deactivating high-voltage electrical
system from power supply / Starting high-voltage electrical system'
6
Recode the power steering (EPS) control unit. Workshop Manual '489055 Replacing power
steering gear'
7
Teach new power steering gear. Workshop Manual '489025 Teach power steering gear'
8
Enter the campaign in the Warranty and Maintenance logbook.
Warranty processing
Information
The specified labor times were determined specifically for carrying out this campaign and include all
necessary preliminary and subsequent rework. The labor times may differ from the labor times published
in the Labor Operation List in PCSS.
Scope 1:
Replacing power steering gear
Valid for Cayenne E-Hybrid (9YA / 9YB) with the following equipment:
•
•
Adaptive air suspension (M-No. 1BK)
Multi-function camera (M-No. QK1 / QK3)
Labor time:
Replacing power steering gear
Includes:
Deactivating and activating high-voltage system
Performing front and rear suspension alignment
Adjusting vehicle at front and rear
Calibrating front camera
Checking and adjusting steering-angle sensor for PSM
Labor time: 460 TU
Required parts:
AfterSales
May 13, 2024
Page 5 of 28
4
Service
WRC6
ENU
Technical Information
31/24
Part No.
Designation
– Location
Quantity
9Y1423057A
Steering gear
1 piece
N 10518405
Cheese head bolt with multiple-tooth head, self-locking, M8 x 30
– Universal joint on power steering gear
1 piece
WHT006662
Hexagon-head bolt (combination) M12 x 1.5 x 167
– Power steering gear on front axle carrier
2 pieces
WHT002305
Square nut, M12 x 1.5
– Power steering gear on front axle carrier
2 pieces
WHT006151
Hexagon collar nut, self-locking M14 x 1.5
– Tie-rod ball to wheel bearing housing
2 pieces
PAF005372
M12 x 1.5 x 51 cylinder head screw with multiple-tooth head
– Front-axle support
2 pieces
PAF911511
Hexagon-head bolt (combination) M12 x 1.5 x 42
– Front-axle support
4 pieces
WHT002305
Square nut, M12 x 1.5
– Front-axle support
4 pieces
PAF91237901
Hexagon flange bolt (combination), M14 x 1.5 x 100
– Front-axle carrier, rear
4 pieces
PAF91184301
Hexagon-head bolt, M12 x 1.5 x 90
– Front axle carrier, front
4 pieces
WHT006917
12-point socket, M10 x 62
– Connecting link (conventional)
4 pieces
PAF102861
Hexagon collar nut, self-locking M10
– Connecting link (conventional)
4 pieces
N 90684704
Hex socket head screw (combination)
– Front underbody cover
3 piece
Damage number WRC6 066 000 2
Scope 2:
Replacing power steering gear
Valid for Cayenne E-Hybrid (9YA / 9YB) with the following equipment:
•
•
•
May 13, 2024
Page 6 of 28
Adaptive air suspension (M-No. 1BK)
Automatic distance control (M-No. 3V1 / 3V2 / 8T3 / 8T8)
Multi-function camera (M-No. QK1 / QK3)
AfterSales
Service
Technical Information
31/24
ENU
WRC6
4
Labor time:
Replacing power steering gear
Includes:
Deactivating and activating high-voltage system
Performing front and rear suspension alignment
Adjusting vehicle at front and rear
Calibrating front camera
Adjusting distance measuring sensor control unit
Checking and adjusting steering-angle sensor for PSM
Labor time: 487 TU
Required parts:
Part No.
Designation
– Location
Quantity
9Y1423057A
Steering gear
1 piece
N 10518405
Cheese head bolt with multiple-tooth head, self-locking, M8 x 30
– Universal joint on power steering gear
1 piece
WHT006662
Hexagon-head bolt (combination) M12 x 1.5 x 167
– Power steering gear on front axle carrier
2 pieces
WHT002305
Square nut, M12 x 1.5
– Power steering gear on front axle carrier
2 pieces
WHT006151
Hexagon collar nut, self-locking M14 x 1.5
– Tie-rod ball to wheel bearing housing
2 pieces
PAF005372
M12 x 1.5 x 51 cylinder head screw with multiple-tooth head
– Front-axle support
2 pieces
PAF911511
Hexagon-head bolt (combination) M12 x 1.5 x 42
– Front-axle support
4 pieces
WHT002305
Square nut, M12 x 1.5
– Front-axle support
4 pieces
PAF91237901
Hexagon flange bolt (combination), M14 x 1.5 x 100
– Front-axle carrier, rear
4 pieces
PAF91184301
Hexagon-head bolt, M12 x 1.5 x 90
– Front axle carrier, front
4 pieces
WHT006917
12-point socket, M10 x 62
– Connecting link (conventional)
4 pieces
PAF102861
Hexagon collar nut, self-locking M10
– Connecting link (conventional)
4 pieces
N 90684704
Hex socket head screw (combination)
– Front underbody cover
3 piece
Damage number WRC6 066 000 2
AfterSales
May 13, 2024
Page 7 of 28
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TSB/Document ID: No. 31-24-1
Replacement Service Bulletin Number:
MFR Communication Date: 2024-05-14
MFR Internal Campaign ID/Software Version: WRC6
Communication Type: Service Campaign
NHTSA Components: STEERING
MFR Component System:
MFR Component Subsystem:
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