122-H3P6K-05
Service Bulletin Details
Public Details for: 122-H3P6K-05
Workshop campaign instructions for ws campaign wkf8 - replacing pscb brake pads on front axle and replacing brake pad retainer springs on rear axle.
Models from 2020
2020 PORSCHE CAYENNE |
Models from 2019
2019 PORSCHE CAYENNE |
Models from 2018
2018 PORSCHE CAYENNE |
Service Technical Information 28/20 ENU WKF8 4 WKF8 - Replacing PSCB Brake Pads on Front Axle and Replacing Brake Pad Retainer Springs on Rear Axle (Workshop campaign) Model line: Cayenne (9YA/9YB) Model Year: As of 2018 up to 2020 Subject: Porsche Surface Coated Brake (PSCB) Information: There is a possibility that road salt used during snow clearing and gritting can sometimes have a negative effect on the friction coefficient of PSCB brake pads containing copper. This may result in a delayed braking response. Remedial Action: • • Replace the PSCB brake pads on the front axle with brake pads without copper content. Additionally replace the brake pad retainer springs on the rear axle to prevent brake noises ("squealing") at low speeds. Information Please note that the PSCB brake pads on the front axle or the brake pad retainer springs on the rear axle have already been replaced on some of the vehicles affected by the campaign due to a customer complaint. For this reason, specific campaign scopes have been defined and each vehicle has been clearly assigned just one campaign scope. To find out which scope is assigned to the vehicle, see PCSS Vehicle Information. Scope 1: Situation: Action required: No customer complaint. • • Replace the PSCB brake pads on the front axle. Replace the brake pad retainer springs on the rear axle. To do this Technical Information ', continue by replacing the PSCB brake pads on the front axle and replacing the brake pad retainer springs on the rear axle'. AfterSales Apr 23, 2020 Page 1 of 6 4 Service WKF8 ENU Scope 2: Scope 3: Affected Vehicles: Technical Information 28/20 Due to a customer complaint , the installed brake pad retainer springs on the rear axle were already replaced with new springs, see Technical Information '464155 Noise symptom - Noises from brakes on rear axle (I-no. 2EQ/2ES Replacing brake pad retainer springs (SY 169/18)' Due to a customer complaint, the PSCB brake pads installed on the front axle were already replaced , see Technical Information '463255 Noise symptom Noises from brakes on front axle (I-no. 1ZI, 1ZU): Replacing front brake pads (SY 24/19)' • Replace the PSCB brake pads on the front axle. To do this Technical Information '464155 , continue by replacing the PSCB Brake pads on the front axle'. • Replace the brake pad retainer springs on the rear axle. To do this Technical Information '463255 , continue by replacing the brake pad retaining spring on the rear axle' Only vehicles assigned to the campaign (see also PCSS Vehicle Information). There are 1,191 vehicles affected by this campaign in North America. Parts required Information The part numbers of the parts required for the respective vehicle are specified in the relevant assigned scope. To find out which parts are required, depending on the assigned campaign scopes, see Technical Information '463255 Warranty processing'. Parts Info: Apr 23, 2020 Page 2 of 6 Part No. Designation – Use Qty. 00004330454 Brake pads for disc brake – front axle 1 set 971698231A Retainer springs – front axle 2 sets 00004330457 Sender wire – brake pad wear indicator on front axle 2 ea. WHT004572 Collared cheese head bolt with hexagon socket head M14 x 1.5 x 135 – brake calliper to wheel bearing housing on front axle 4 ea. AfterSales Service Technical Information 28/20 ENU 00004330455 Retaining spring – brake pads to rear-axle brake calliper 2 ea. N 91183701 Number of internal screws, M12 x 1.5 x 115 – brake calliper wheel bearing housing on rear axle 4 ea. 00004330456 Sender wire – brake pad wear indicator on rear axle 2 ea. 971698231A Retainer spring – brake pads to brake calliper (rear axle) 2 ea. WKF8 4 Required tools Tools: • • • • Torque wrench, 6 – 50 Nm (4.5 – 37 ftlb.), e.g. V.A.G. 1331A Torque wrench 6-50 Nm (4.5-37 ftlb.) Torque wrench, 40 – 200 Nm (29 – 147 ftlb.), e.g. V.A.G. 1332 Torque wrench, 40 – 200 Nm (29 – 147 ftlb.) 9472 - Brake piston resetting fixture T10439 - Assembly pin Replacing PSCB brake pads on front axle and replacing brake pad retainer springs on rear axle (Scope 1) Work Procedure: 1 Raise the vehicle on a lifting platform Workshop Manual '4X00IN Lifting the vehicle'. 2 Remove front and rear wheels Workshop Manual '440519 Removing and installing wheel'. 3 Replace front disc brake pads on both sides Workshop Manual '463656 Replacing front disc brake pads'. 4 Replace brake pad retainer springs on the rear axle on both sides. The procedure for replacing the brake pad retainer spring is described in the Workshop Manual Workshop Manual '463856 Replacing rear disc brake pads'. 5 Install disc brake pads on the brake discs by pressing the brake pedal several times until the pressure point of the brake pedal has returned to normal. 6 Check brake fluid level and correct it if necessary. For instructions, see Workshop Manual '463856 Changing brake fluid'. 7 Install front and rear wheels Workshop Manual '440519 Removing and installing wheel'. 8 Remove the vehicle from the lifting platform. 9 Enter the campaign in the Warranty and Maintenance booklet. AfterSales Apr 23, 2020 Page 3 of 6 4 Service WKF8 ENU Technical Information 28/20 Replace PSCB brake pads on front axle (Scope 2) Work Procedure: 1 Raise the vehicle on a lifting platform Workshop Manual '4X00IN Lifting the vehicle'. 2 Remove front wheels Workshop Manual '440519 Removing and installing wheel'. 3 Replace front disc brake pads on both sides Workshop Manual '463656 Replacing front disc brake pads'. 4 Install disc brake pads on the brake discs by pressing the brake pedal several times until the pressure point of the brake pedal has returned to normal. 5 Check brake fluid level and correct it if necessary. For instructions, see Workshop Manual '463656 Changing brake fluid'. 6 Install front wheels Workshop Manual '440519 Removing and installing wheel'. 7 Remove the vehicle from the lifting platform. 8 Enter the campaign in the Warranty and Maintenance booklet. Replacing brake pad retainer spring on the rear axle (Scope 3) Work Procedure: 1 Apr 23, 2020 Page 4 of 6 Raise the vehicle on a lifting platform Workshop Manual '4X00IN Lifting the vehicle'. 2 Remove rear wheels Workshop Manual '440519 Removing and reinstalling wheel'. 3 Replace rear brake-pad retainer springs on both sides. For instructions, see Workshop Manual '463856 Replacing rear disc brake pads'. 4 Install disc brake pads on the brake discs by pressing the brake pedal several times until the pressure point of the brake pedal has returned to normal. 5 Check brake fluid level and correct it if necessary. For instructions, see Workshop Manual '463856 Changing brake fluid'. 6 Install rear wheels Workshop Manual '440519 Removing and reinstalling wheel'. 7 Remove the vehicle from the lifting platform. 8 Enter the campaign in the Warranty and Maintenance booklet. AfterSales Service Technical Information 28/20 ENU WKF8 4 Warranty processing Scope 1: Replacing PSCB brake pads on front axle and replacing brake pad retainer springs on rear axle Working time: Labor time: 179 TU Replacing PSCB brake pads on the front axle and replacing brake pad retainer springs on the rear axle Includes: Raising and lowering the vehicle Removing and installing front and rear wheels Checking brake fluid level Parts required: 00004330454 Brake pads for disc brakes 1 set 971698231A Retainer springs 2 sets 00004330457 Sender wire 2 ea. WHT004572 Collared cheese head bolt with hexagon socket head, M14 x 1.5 x 135 4 ea. 00004330455 Retainer spring 2 ea. N 91183701 Internal serration screw M12 x 1.5 x 115 4 ea. 00004330456 Sender wire 2 ea. 971698231A Retainer spring — brake pads to brake calliper (rear axle) 2 ea. Damage Code WKF8 066 000 2 AfterSales Apr 23, 2020 Page 5 of 6 4 Service WKF8 Scope 2: ENU Technical Information 28/20 Replace PSCB brake pads on front axle Working time: Labor time: 115 TU Replacing brake pads on the front axle Includes: Raising and lowering the vehicle Removing and installing front wheels Checking brake fluid level Parts required: 00004330454 Brake pads for disc brakes 1 set 971698231A Retainer springs 2 sets 00004330457 Sender wire 2 ea. WHT004572 Collared cheese head bolt with hexagon socket head, M14 x 1.5 x 135 4 ea. 971698231A Retainer spring — brake pads to brake calliper (rear axle) 2 ea. Damage Code WKF8 066 000 2 Scope 3: Replacing brake pad retainer springs on rear axle Working time: Labor time: 104 TU Replacing brake pad retainer springs on the rear axle Includes: Raising and lowering the vehicle Removing and installing rear wheels Checking brake fluid level Parts required: 00004330455 Retainer spring 2 ea. N 91183701 Internal serration screw M12 x 1.5 x 115 4 ea. 00004330456 Sender wire 2 ea. Damage Code WKF8 066 000 2 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. Apr 23, 2020 Page 6 of 6 AfterSales