122-S2A6B-05

Service
Technical Information
48/20
ENU
4739
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Noise Symptom - Clicking Noise from Brakes when Changing Direction: Observe Specified
Procedure (SY 48/20)
Model line:
Cayenne (9YA/9YB)
Model Year:
As of 2018 up to 2020
Equipment:
PSCB disc brakes, front (I-no. 1ZI/1ZU)
Subject:
Porsche Surface Coated Brake (PSCB)
Symptom:
A clicking noise can come from around the front axle when changing direction of travel or when braking
suddenly while driving slowly.
Information
Please make sure that workshop campaign WKF8 has already been carried out  Technical Information
'WKF800 WKF8 Workshop campaign - Replacing PSCB brake pads on front axle and replacing brake pad
retainer springs on rear axle'.
Cause:
During load changes or changes in direction, the brake pads can hit against the brake calliper and cause
the clicking noise.
Remedial
Action:
In the event of a customer complaint and if the workshop campaign has already been carried out, attach
adhesive pads to the back of the brake pads.
Required spare parts
Spare Parts:
Part No.
Designation - Location
Qty.
9Y0698010
 Repair kit - PSCB brake pads, front
1 ea.
Preparatory work
Work Procedure: 1
Remove front PSCB brake pads, see  Workshop Manual '463656 Replacing front disc brake
pads'.
Reworking front PSCB brake pads
Work Procedure: 1
Clean the brake pistons and back of the pad backing plates thoroughly.
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Service
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Technical Information
48/20
Carefully pull backing sheet  Backing sheet -1- off
adhesive pad  Backing sheet -2-.
Backing sheet
3
Position adhesive pad  Adhesive pad -1- on the
back of the pad backing plate  Adhesive pad -2and stick it on inwards, starting from the outside.
Make sure there are no air bubbles.
Adhesive pad
4
Carefully pull protective film  Protective film -1- off
adhesive pad  Protective film -2-.
Protective film
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Technical Information
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4739
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Concluding work
Work Procedure: 1
2
Install front PSCB brake pads, see  Workshop Manual '463656 Replacing front disc brake pads'
Press the brake pedal 5 times while driving and reversing slowly.
Invoicing
Invoicing:
For documentation and warranty invoicing, enter the labor operations, PQIS coding and part numbers
specified below in the warranty claim:
APOS
Labor operation
46365000
Reworking front disc brake pads
I No.
PQIS coding:
Location (FES5)
47390
Front brake calliper
Damage type (SA4)
2015
clicking
Part Info:
References:
Part No.
Designation - Location
Qty.
9Y0698010
 Repair kit - PSCB brake pads, front
1 ea.
 Technical Information 'WKF800 WKF8 Workshop campaign - Replacing PSCB brake pads on front axle
and replacing brake pad retainer springs on rear axle'
 Workshop Manual '463656 Replacing front disc brake pads'
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.
© 2020 Porsche Cars North America, Inc.
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