Service

Technical Information

88/18

ENU

4632

4

Noise Symptom - Clicking Noise From Brake When Changing Direction: Replacing retainer
spring for brake pad (SY 88/18)
Model Line:

Cayenne (9YA)

Model Year:

As of 2018 up to 2019

Equipment:

•
•
•
•

Front disc brake, disc diameter:
Front disc brake, disc diameter:
1ZV)
Front disc brake, disc diameter:
Front disc brake, disc diameter:
1ZW)

20 inches, brake caliper painted white (PSCB) (I-no. 1ZI)
21 inches, brake caliper painted yellow (PCCB) (I-no.
20 inches, brake caliper painted green (PSCB) (I-no. 1ZU)
21 inches, brake caliper painted green (PCCB) (I-no.

Subject:

Retainer spring for front brake pad

Symptom:

A clicking noise can come from around the front axle when changing direction of travel or when braking
suddenly while driving slowly.

Cause:

During load changes or changes in direction, the brake pads can hit against the brake caliper and cause
the clicking noise.

Information
The following points must be observed in relation to the part numbers listed below and the
relevant vehicle (depending on equipment):
•

Particular/modified components, whose part numbers are listed accordingly, are required for
the remedial action.

•

Part number indexes will increase over time. Before performing repairs, cross reference with
PET (Porsche Spare Parts Catalog), for newer parts (higher index).

•

PET must be checked to determine if additional components are needed.

Parts Info:

971.698.231 A

Remedial
Action:

In the event of a customer complaint, replace the existing retainer springs for the brake pads with new
rubber-coated retainer springs ( Brake caliper -4-), see:

 Springs (set)

 Workshop Manual '463456 Replacing front PCCB brake pads'

AfterSales

Aug 17, 2018
Page 1 of 2

4

Service
4632

ENU

Technical Information

88/18

Brake caliper
Invoicing:

The work involved is invoiced under the labor operation:

APOS

Labor operation

46345600

Replacing front PCCB brake pads

I No.

For invoicing and documentation using PQIS, enter the following coding:
Location (FES5)

47390

Front brake caliper

Damage type (SA4)

2015

clicking

References:

 Workshop Manual '463456 Replacing front PCCB 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.

© Porsche Cars North America, Inc.

Aug 17, 2018
Page 2 of 2

AfterSales