NHTSA ID Number: 10180486
Manufacturer Communication Number: No. 128-20
TSB/Document Date: 2020-10-01
Summary
Information on how to deal with issues with the air suspension / leveling system of the E3 Cayenne.
Service
Technical Information
128/20 ENU
4301
4
Complaint - Problems with the Levelling System: Observe Specified Procedure (128/20)
Model Line:
Cayenne (9YA/9YB)
Model Year:
As of 2018
Equipment:
Air suspension with levelling system (I-no. 1BK)
Subject:
Levelling system
Information:
Problems with the air suspension (levelling system) on Cayenne vehicles. Remedial action and procedure.
Remedial
Action:
In the event of a customer complaint, perform fault finding and carry out the required repair measure.
Parts required if necessary
Parts Info:
Front spring strut
Part No.
9Y0616039C
9Y0616040C
PAF912603
N 10272202
N 10106402
N 10784702
WHT001987
9A700837900
N 10665001
Designation
– Use
Air-spring strut
– front left
Air-spring strut
– front right
Additional parts required
Qty.
Hexagon-head bolt with
washer
– Front air-spring strut
Hexagon-head bolt
– Front shock absorber fork
Hexagon collar nut
– Front shock absorber fork
Hexagon flange bolt
– Front shock absorber fork
Hexagon nut
– Front shock absorber fork
Tie-wrap
– Front shock absorber fork
Countersunk screw with
internal serration
– Dome strut sound absorber
6 ea.
AfterSales
1 ea.
1 ea.
2 ea.
2 ea.
2 ea.
2 ea.
2 ea.
8 ea.
Sep 2, 2020
Page 1 of 15
4
Service
4301
ENU
Technical Information
128/20
WHT007061
12 point socket (I-no. 1P0)
– Front connecting link
Hexagon collar nut (I-no. 1P0)
– Front connecting link
or
2 ea.
12 point socket (I-no. 1P7)
– Front connecting link
Hexagon collar nut (I-no. 1P7)
– Front connecting link
2 ea.
Designation
– Use
Level sensor with linkage
– front left
or
Qty.
PAB94128601
Level sensor with linkage
– front right
Additional parts required
1 ea.
N 01508210
Hexagon collar nut
Level sensor
2 ea.
Designation
– Use
Level sensor
– rear left
or
Qty.
958941310H
Level sensor
– rear right
Additional parts required
1 ea.
N 10684301
Hexagon-head bolt
– Rear level sensor
Hexagon collar nut
– Rear level sensor
1 ea.
Designation
– Use
Compressor
– Rear axle
Qty.
N 10286110
WHT007422
PAF015081
2 ea.
2 ea.
Front level sensor
Part No.
PAB94128501
1 ea.
Rear level sensor
Part No.
958941309H
N 10508210
1 ea.
1 ea.
Compressor
Part No.
PAB616007
Sep 2, 2020
Page 2 of 15
AfterSales
1 ea.
Service
Technical Information
128/20 ENU
4301
4
Additional parts required
PAB907778
Control unit for levelling
system
– Compressor
1 ea.
Designation
– Use
Hexagon-head bolt
– Rear spring damper
Hexagon collar nut
– Rear spring damper
Hexagon-head bolt
– Rear spring damper
Fixing clip for stone guard
– Rear axle
Air spring bellows
– Rear axle, left
Air spring bellows
– Rear axle, right
Qty.
Designation
– Use
Spring damper
– rear
Hexagon-head bolt
– Rear spring damper
Hexagon collar nut
– Rear spring damper
Hexagon-head bolt
– Rear spring damper
Fixing clip for stone guard
– Rear axle
Qty.
Rear air spring bellows
Part No.
N 91236401
N 10106403
PAF912225
95851218200
9Y0616001B
9Y0616002B
2 ea.
2 ea.
4 ea.
4 ea.
1 ea.
1 ea.
Rear spring damper
Part No.
9Y0513021E
N 91236401
N 10106403
PAF912225
95851218200
2 ea.
2 ea.
2 ea.
4 ea.
4 ea.
Other parts of the levelling system (to be used if necessary)
Part No.
958616013A
958616203F
Designation
– Use
Valve unit
– Rear axle
Pressure accumulator
– Rear axle, left
AfterSales
Qty.
1 ea.
1 ea.
Sep 2, 2020
Page 3 of 15
4
Service
4301
ENU
1 ea.
9J1616640
Pressure accumulator
– Rear axle, right
Air distribution regulator
– Rear axle
Solenoid valve block
– Rear axle
Repair kit for air line (4X0.85)
9J1616640A
Repair kit for air line (6X1.5)
1 ea.
958616715A
Air line for pressure accumulator, lilac
– left
Air line for pressure accumulator, lilac
– right
Air line, red
– front left
Air line, green
– front right
Air line, black
– rear left
Air line, blue
– rear right
1 ea.
958616204F
958616005G
958616013A
95861671500
9Y1616719
9Y1616720
9Y0616711A
9Y0616712A
Sep 2, 2020
Page 4 of 15
Technical Information
128/20
AfterSales
1 ea.
1 ea.
1 ea.
1 ea.
1 ea.
1 ea.
1 ea.
1 ea.
Service
Technical Information
128/20 ENU
4301
4
Component overview
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Component overview
Body acceleration sensor, rear right
Shock absorber, rear right
Level sensor, rear right
Front right body acceleration sensor
Front right air spring with integrated shock absorber
Level sensor, front right
Level sensor, front left
Front left air spring with integrated shock absorber
Wheel acceleration sensor, front left
Control unit
Pressure accumulator, right
Pressure accumulator, left
Level sensor, rear left
Shock absorber, rear left
Wheel acceleration sensor, rear left
Rear left air spring
Solenoid valve block
Rear right air spring
AfterSales
Sep 2, 2020
Page 5 of 15
4
Service
4301
ENU
Technical Information
128/20
Work Procedure
Gradual loss of pressure
Symptom
Fault detection
Possible cause
Repair measure
Replace or repair air-spring
strut, see
Workshop Manual '433019
Leak in air-spring strut
Gradual loss of pressure
– Vehicle lying to one
side after a long time
– Longer than average
regulating times
– No reaction to driver's
request
Check the levelling
system for pressure loss
and look for leaks using
commercially available
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TSB/Document ID: No. 128-20
Replacement Service Bulletin Number:
MFR Communication Date: 2020-09-02
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SUSPENSION
MFR Component System:
MFR Component Subsystem:
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