No. 20-24

Service
Technical Information
20/24
ENU
4020
4
Assessment of Cracks on Elastomer Bearings on the Front and Rear Axles (20/24)
Model Line:
Cayman (981) / Boxster (981)
911 (991)
Panamera (970)
Macan (95B)
Cayenne (92A)
Model Year:
As of 2010
Concerns:
Elastomer bearings on front and rear axles
Cause:
The workshops complain about cracks on one or more elastomer bearings of the axle control
components in the course of service and/or other repair work.
Reports carried out on allegedly defective elastomer bearings have shown that they were qualitatively OK
with a crack length of up to 10 mm/ 0.39 in despite visible cracks.
Action:
If there is no complaint on the part of the customer with regard to noises (rattling, clattering, creaking)
from the area of the front or rear axle and the bearing bushings do not show any play, a replacement of
the corresponding elastomer bearing with a crack length of up to 10 mm is not required.
Review and evaluate elastomer bearing
Work Procedure: 1
Review and evaluate elastomer bearing.
AfterSales
Mar 29, 2024
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Service
4020
ENU
Technical Information
20/24
Review elastomer bearing
( )
•
•
•
Crack length up to 10 mm/ 0.39 in
No customer complaint (noise in the affected area)
Bearing bush has no play
Replacing the elastomer bearing is not required.
End of remedial action.
(✗)
•
•
•
Crack length exceeds 10 mm/ 0.39 in
Customer complains about noises in the area of the elastomer bearing
Bearing bush has play
Depending on the respective repair concept, either replace the
defective elastomer bearing individually or replace the entire
component.
Mar 29, 2024
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AfterSales
Service
Technical Information
20/24
ENU
4020
4
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.
© 2024 Porsche Cars North America, Inc.
AfterSales
Mar 29, 2024
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