S7567
Service Bulletin Details
Public Details for: S7567
Rd: eprv delete & fuel rail pressure sensor update
Models from 2019
Models from 2018
Service Campaign S7567 March 29, 2021 Electronic Pressure Relief Valve (EPRV) Delete & Fuel Rail Pressure Sensor Update Service Category Service Department Section Function Group 237 Technician Skill Level A Market North America Applicability Mack Model Years 2018 - 2019 Models AN, CHU, CXU, GR, GI, PI MRU, LR, TE Introduction Mack Trucks has identified through Remote Diagnostics that the vehicles in this Service Campaign have experienced faults with the Electronic Pressure Relief Valve (EPRV). To address this issue follow the repair outlined within this bulletin to remove the EPRV, inspect the Fuel Rail Pressure Sensor (FRPS) and wiring harness, followed by running an accessory kit to reprogram the vehicle. Production Change Information This bulletin applies to vehicles built within the specified production changes below. Brand Engine Emission Level Starting Build Date Ending Build Date MP8, EM-USA17 OBDEP-A Mack 14-November-2016 20-December-2018 MP7 & OBDEP-B Warranty Information This repair may be eligible for reimbursement if a product failure was experienced with in time and mileage limits of the applicable Warranty coverage. Reimbursement is obtained via the normal claim handling process. Claim Type (used only when uploading from the Dealer Bus. Sys.) B Labor Code Description Hours 2373-01-09-01 (Main) Valve, common rail remove 0.6 hrs 1700-22-03-06 Accessory Kit, programming 0.1 hrs 2841-22-02-01 ECM and ACM, Reprogramming 0.4 hrs 2115-03-02-02 Valve Cover, Replacement Use Impact Time (0.9 - 1.9 hr.) If Applicable 2373-03-03-06 2861-03-03-03 Causal Part SCC Authorization Code Pressure Sensor, Common Rail, Replacement, Valve Cover Removed Wiring Harness, Injector, Replacement (Rear), Valve Cover removed 22720232 S7567 0.2 hrs Use Impact Time (0.3-0.4 hrs) Service Campaign S7567 March 29, 2021 EPRV Delete & FRPS Update Expiration Date March 31, 2022 Parts Information Special Order Information if applicable Configuration Part Numbers Part Names Quantity All 85156544 EPRV delete kit 1 If Applicable Parts (Reference Step 18) 13L Engine Only 23488939 Pressure Sensor, F2 Common Rail 1 13L Engine Only 23502054 Wiring Harness, Rear 1 11L Engine Only 23488937 Pressure Sensor, F2 Common Rail 1 11L Engine Only 23502057 Wiring Harness, Rear 1 Required Tools & Equipment • Premium Tech Tool (PTT) with latest version • 88800634 - Wrench Calibration Information • Accessory Kit: 85156014 Repair Procedure 1. Refer to IMPACT document ID: 2115-03-02-02 Valve Cover, Replacement for valve cover removal procedure. 2. Loosen the cap nuts 3. Remove and discard the pipe. 4. Disconnect the connector. Service Campaign S7567 March 29, 2021 EPRV Delete & FRPS Update 5. Clean the area around the fitting. 6. Remove the fitting and seal. 7. Install the seal and plug in the cylinder head. Tightening torque Cylinder head, plug 36± 6 lbf-ft. (50 ± 8 Nm) 8. Install the tool. 88800634 9. Remove the valve. Note: Use a spanner as a counterhold to prevent the common rail brackets and pressure Service Campaign S7567 March 29, 2021 EPRV Delete & FRPS Update pipes from being loaded during component removal and installation. 10. Install the protecting plug. Required material Protecting plug 88800527 11. Clean the threads. Note: Leave the protecting plug in place until installing the common rail plug. Service Campaign S7567 March 29, 2021 EPRV Delete & FRPS Update 12. Remove the protecting plug. 13. Install the plug in the rail. Note: Do not use locking fluid or thread sealant 14. Torque tighten the plug. Tightening torque Common rail, plug 92± 7 lbf–ft. (125 ± 10 Nm) Note: Cap is not required to seal the common rail where the drain pipe connected. Service Campaign S7567 March 29, 2021 EPRV Delete & FRPS Update Note: Use a spanner as a counterhold to prevent the common rail brackets and pressure pipes from being loaded during component removal and installation 15. Cut the harness. 16. Remove connector and harness. Note: Do not tape or seal the end of the harness 17. A product improvement has been made to the Fuel Rail Pressure Sensor (FRPS) and its wiring harness. A visual Inspection of the FRPS electrical connector will indicate which sensor and wiring harness is on the vehicle Old style Connection New Improved Connector Service Campaign S7567 March 29, 2021 EPRV Delete & FRPS Update 18. Inspect the FRPS, if the Old Style Connector is found (Displayed above with red X), replace the sensor and wiring harness per Impact Instructions listed below. If the New Improved Connector is found, no farther action is needed and proceed to next step. a. 2373-03-03-06 Pressure Sensor, Common Rail, Replacement, Valve Cover Removed b. 2861-03-03-03 Wiring Harness, Injector, Replacement (Rear), Valve Cover Removed 19. Refer to IMPACT document ID: 2115-03-02-02 Valve Cover, Replacement for valve cover install procedure. 20. Using PTT Operation 1700-22-03-06 Program accessory kit: 85156014 Note: Running this kit without removing the ePRV will result in adverse vehicle affects.