NHTSA ID Number: 10173004
Manufacturer Communication Number: 122-B8W9A-04
TSB/Document Date: 2020-04-01
Summary
Instructions for cleaning the wheel and brake assembly on the 918 Spyder in the event of a noise complaint from the wheel area during track use.
Service
Technical Information
148/19 ENU
4651
4
Noise Symptom - Noises From Wheel Assembly on Front/Rear Axle: Follow Special
Instructions (SY 148/19)
Model line:
918 Spyder
Model Year:
2015
Subject:
Wheel assembly on front/rear axle
Symptom:
During and after race track use, loud noises can sometimes come from the wheel assembly on the
front/rear axle - particularly on bends and when manoeuvring slowly.
Cause:
Particles of dirt on the rim/brake disc/wheel hub contact surfaces can cause micro-movements in the
wheel assembly and this can result in a loud noise.
Remedial
Action:
In the event of a customer complaint, locate the relevant wheel assembly and clean it as described below.
Required tools, spare parts and materials
Tools:
•
•
Microfiber cloth
Brake cleaner
Parts:
Information
The specified spare parts are for one wheel assembly.
Part No.
Designation - Location
91834188100 1)
Driving journal repair kit, front
Number (per wheel
assembly)
1 ea.
91833188100 1)
Driving journal repair kit, rear
1 ea.
99907357201
Oval-head screw -Brake disc
2 ea.
99908465601
Hexagon nut - Brake calliper
2 ea.
1) Replace only if damaged.
Materials:
Required materials (usually already available in the Porsche
Centre):
Part No.
Designation - Location
Qty.
00004302000
Optimoly TA - Brake disc
100g tube 1)
00004330605
Mc Lube Sailkote - Wheel
300 ml spray can 2)
AfterSales
Mar 4, 2020
Page 1 of 5
4
Service
Technical Information
ENU 148/19
4651
1) approx.
10 grams required for each wheel assembly.
2) approx.
30 millilitres required for each wheel assembly.
Preparatory work
Work Procedure: 1
Remove wheel and check central wheel lock, see
Workshop Manual '440519 Removing and installing wheel'
Workshop Manual '4X00IN Central wheel lock: component assessment'.
2
Remove brake calliper, see
Workshop Manual '473919 Removing and installing front brake calliper'
Workshop Manual '474119 Removing and installing rear brake calliper'.
3
Remove brake disc, see
Workshop Manual '465119 Removing and installing front PCCB brake disc'
Workshop Manual '465419 Removing and installing rear PCCB brake disc'
4
Check Subsequent torque 22 Nm (16 ftlb.) of the wheel driver pins.
•
•
If the pins can still be turned, replace pins and screws and clean the thread and contact
surfaces to remove any remaining screw-locking material.
If the pins cannot be turned, check the driver pins for damage. If there are visible signs of
damage, replace pins and screws and clean the thread and contact surfaces to remove any
remaining screw-locking material.
Cleaning wheel assembly on front/rear axle
WARNING
Brake cleaner
Wear personal protective gear.
Ensure that there is good ventilation.
Avoid contact with brake cleaner.
Information
Always make sure that the cleaned surfaces are kept clean until assembly is complete.
Mar 4, 2020
Page 2 of 5
AfterSales
Service
Technical Information
Work Procedure: 1
148/19 ENU
4651
4
Spray microfiber cloth with brake cleaner and clean
the installed wheel hub Cleaning wheel hub -1thoroughly.
Cleaning wheel hub
2
Spray microfiber cloth with brake cleaner and clean
the contact surface of the brake disc/wheel hub
Cleaning brake disc -1- thoroughly.
3
Spray microfiber cloth with brake cleaner and
clean the contact surfaces of the rim/brake disc
Cleaning contact surfaces of rim/brake disc
thoroughly.
Cleaning brake disc
Cleaning contact surfaces of rim/brake disc
AfterSales
Mar 4, 2020
Page 3 of 5
4
Service
Technical Information
ENU 148/19
4651
Concluding work
Work Procedure: 1
Install brake disc, see
Workshop Manual '465119 Removing and installing front PCCB brake disc'
Workshop Manual '465419 Removing and installing rear PCCB brake disc'.
2
Install brake calliper, see
Workshop Manual '473919 Removing and installing front brake calliper'
Workshop Manual '474119 Removing and installing rear brake calliper'.
3
Install wheel, see Workshop Manual '440519 Removing and installing wheel'.
Invoicing
Information
If the problem persists after working through the Technical Information, create a PRMS ticket and contact
the TCC (Technical Competence Centre).
Invoicing:
For documentation and invoicing, enter the labor operation, PQIS coding and part numbers specified
below:
APOS
Labor operation
46514901
Reworking front left brake disc
46514902
Reworking front right brake disc
46515000
Reworking front brake discs
46544901
Reworking rear left brake disc
46544902
Reworking rear right brake disc
46545000
Reworking rear brake discs
I No.
PQIS coding:
Location (FES5)
42680
Damage type (SA4)
3015
dirty
Parts Info:
Information
The specified parts are for one wheel assembly.
Mar 4, 2020
Page 4 of 5
AfterSales
Service
Technical Information
148/19 ENU
4651
4
Part No.
Designation - Location
91834188100 1)
Driving journal repair kit, front
Number (per wheel
assembly)
1 ea.
91833188100 1)
Driving journal repair kit, rear
1 ea.
99907357201
Oval-head screw -Brake disc
2 ea.
99908465601
Hexagon nut - Brake calliper
2 ea.
00004302000
Optimoly TA - Brake disc
00004330605
Mc Lube Sailkote - Wheel
0.05 ea. (= approx.
10 grams)
0.10 ea. (= approx.
30 millilitres)
1) Replace only if damaged.
References:
Workshop Manual '440519 Removing and installing wheel'
Workshop Manual '4X00IN Central wheel lock: Component assessment'
Workshop Manual '473919 Removing and installing front brake calliper'
Workshop Manual '474119 Removing and installing rear brake calliper'
Workshop Manual '465119 Removing and installing front PCCB brake disc'
Workshop Manual '465419 Removing and installing rear PCCB brake disc'
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.
AfterSales
Mar 4, 2020
Page 5 of 5
- Mixes well with conventional fluids
- Low-moisture formula provides excellent vapor lock...
- Ideal for hydraulic and disc brakes
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TSB/Document ID: 122-B8W9A-04
Replacement Service Bulletin Number:
MFR Communication Date: 2020-03-04
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: WHEELS
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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