23-01-021G
Service Bulletin Details
Public Details for: 23-01-021G
On certain 2022my gv80 (jx1) vehicles, the turbo oil feed pipe mating surface on the engine may have been scratched during the manufacturing process. This scratch could cause an oil leak. This bulletin provides the procedure to polish the o
Models from 2023
2023 GENESIS GV80 |
Models from 2022
2022 GENESIS GV80 |
GROUP NUMBER CAMPAIGN DATE 23-01-021G MODEL(S) APRIL 2023 GV80 (JX1) Technical Service Bulletin SUBJECT: 3.5L T-GDI ENGINE TURBOCHARGER OIL PORT RESURFACING (SERVICE CAMPAIGN T25G) IMPORTANT Dealers must perform this service campaign on all affected vehicles prior to customer retail delivery and whenever an affected vehicle is in the shop for any maintenance or repair. Access the “Vehicle Information” screen via WEBDCS to identify open campaigns. Description: On certain 2022MY GV80 (JX1) vehicles, the turbo oil feed pipe mating surface on the engine may have been scratched during the manufacturing process. This scratch could cause an oil leak. This bulletin provides the procedure to polish the oil feed pipe mating surfaces and replace the gaskets. STUI This TSB includes STUI pictures as a requirement. Where indicated, please include the last 6 digits of the VIN and date of repair on a piece of paper. Ensure the VIN and date of repair are clearly visible. Finally, please ensure the captured pictures are completed according to the steps in this TSB and uploaded to STUI. All claims submitted that have illegible, incomplete, missing, or incorrect picture(s) are subject to debit. Applicable Vehicles: Certain 2022MY Genesis GV80 (JX1) vehicles produced from 11/25/2021 to 1/25/2022 Parts Information: PART NAME PART NUMBER SERVICE KIT 28241-3N110 DESCRIPTION QTY. NBR 300㎛ coated gasket 2 EA Rough stone (GT700200305130521) 1 EA Soft stone (GT700200212080846) 1 EA Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service Advisors, Technicians, Body Shop Manager, Fleet Repair SUBJECT: 3.5L T-GDI ENGINE TURBOCHARGER OIL PORT RESURFACING (SERVICE CAMPAIGN T25G) EAR PLUGS N/A Foam type disposable safety ear plugs (Locally sourced) 1 PAIR Warranty Information: MODEL OP CODE GV80 (JX1) 20D015R0 OPERATION OP TIME TURBOCHARGER OIL FEED REWORK (LH or RH ONLY) 9.9M/H CAUSAL PART NATURE CAUSE CODE CODE 28231-2T000 E74 ZZ2 TURBOCHARGER OIL FEED 20D015R1 10.4M/H REWORK (BOTH SIDES) NOTE 1: Submit claim on Campaign Claim Entry Screen. NOTE 2: If a part that is not covered by this campaign is found in need of replacement while performing campaign and the affected part is still under warranty, submit a claim using the same repair order. If the affected part is out of warranty, submit a Prior Approval request for goodwill consideration prior to performing the work. NOTE 3: The incident parts are subject to callback through the normal Warranty Technical Center (WTC) parts return process. Claim is subject to debit if part is requested and not returned. NOTE 4: The op times include taking a STUI picture and uploading. The picture must include installation of the new coated gasket along with the last six digits of the VIN and date of the repair on a piece of paper. If not included, claim will be subject to debit. Service Procedure: TURBOCHARGER OIL FEED REWORK (LH SIDE) 1. Remove the engine and transmission assembly according to the vehicle shop manual. Engine Mechanical System > Engine and Transmission Assembly > Engine and Transmission Assembly TSB #: 23-01-021G Page 2 of 10 SUBJECT: SUBJECT: 3.5L T-GDI ENGINE TURBOCHARGER OIL PORT RESURFACING (SERVICE CAMPAIGN T25G) 2. Loosen the LH turbo charger oil feed pipe mounting fasteners (A). Tightening Torque: • 9.8 ~ 11.8 Nm (7.2 ~ 8.7 lb-ft) ! CAUTION Be careful not to damage the oil feed pipe. 3. Inspect the turbo oil feed mating surface on the LH side cylinder head for scratches. If a scratch is found, continue to the next step. If no scratch is found, reinstall the removed parts from Step 2 above in reverse order of removal and continue to TURBOCHARGER OIL FEED REWORK (RH SIDE) in the following pages. 4. Remove the hoist lifting bracket from the rear of the LH cylinder head using a 14mm socket. Tightening Torque: • 44.1 ~ 53.6 NM (32.5 ~ 39.8 lb-ft) 5. Modify an earplug to use as a plug for the oil feed hole by cutting the cord about an inch from the end of the earplug. TSB #: 23-01-021G Page 3 of 10 SUBJECT: SUBJECT: 3.5L T-GDI ENGINE TURBOCHARGER OIL PORT RESURFACING (SERVICE CAMPAIGN T25G) 6. Fold the remaining cord attached to the earplug over so that it can be used as a loop to later remove it from the hole. Compress the earplug and insert it just past flush of the oil feed hole surface, so that no debris can enter. ! CAUTION Ensure that the plug is only inserted just past flush with the surface so that it can be easily removed. 7. Wrap the oil feed pipe (C) using fabric as shown or cover with masking tape to prevent debris from entering. 8. Using a permanent marker, mark the oil feed surface so that the entire face is covered. This will help to identify when the entire scratch has been removed. TSB #: 23-01-021G Page 4 of 10 SUBJECT: SUBJECT: 3.5L T-GDI ENGINE TURBOCHARGER OIL PORT RESURFACING (SERVICE CAMPAIGN T25G) 9. Cut both polishing stones in half before using them. NOTE: A set of stones cut into 2 pieces each can be used to repair at least 2 vehicles. 10. Lubricate the supplied rough stone (GT700200305130521) and oil feed surface using soapy water, WD40 or equivalent lubricant. 11. Polish the pipe adhesive surface (E) using rough 120 grit stone (GT700200305130521) until the groove (F) and any marker that was applied within the scratch is no longer visible. While polishing using a side-to-side motion, be sure to work the stone up and down so that the entire surface is evenly polished. Periodically spray the stone with lubricant during this process to clear any debris from its surface. TSB #: 23-01-021G Page 5 of 10 SUBJECT: SUBJECT: 3.5L T-GDI ENGINE TURBOCHARGER OIL PORT RESURFACING (SERVICE CAMPAIGN T25G) 12. Lubricate the supplied soft 400 grit stone (GT700200212080846) and oil feed surface using soapy water, WD40 or equivalent. 13. Polish the pipe adhesive surface (E) using soft 400 grit stone until the surface of the oil feed boss is smooth and free of any scratches left behind by the rough polishing stone. While polishing using a side-to-side motion, be sure to work the stone up and down so that the entire surface is evenly polished. Periodically spray the stone with lubricant during this process to clear any debris from its surface. Ensure the edges of the surface are free from any burrs. 14. Clean the oil feed surface and then carefully remove the plug (H) from the oil feed hole. ! CAUTION Inspect oil feed hole to ensure there is no debris in the hole. TSB #: 23-01-021G Page 6 of 10 SUBJECT: SUBJECT: 3.5L T-GDI ENGINE TURBOCHARGER OIL PORT RESURFACING (SERVICE CAMPAIGN T25G) 15. Remove the cloth or masking tape from the oil feed pipe and then remove the existing pipe gasket (I). Install the supplied NBR 300㎛ coated gasket. NOTICE Before installing the supplied gasket, clean any debris (J) from the pipe bolt hole. STUI Using STUI in the GDS, take a picture of the NEW coated gasket with last 6-digits of VIN and date of repair on a piece of paper. Ensure the picture is in focus and VIN with date of repair are legible. Upload the photo in STUI. TSB #: 23-01-021G Page 7 of 10 SUBJECT: SUBJECT: 3.5L T-GDI ENGINE TURBOCHARGER OIL PORT RESURFACING (SERVICE CAMPAIGN T25G) 16. Reinstall the removed parts in reverse order of removal. ! CAUTION Make sure to check the oil feed pipe tightening torque. Tightening Torque: • Feed pipe bolt (K): 9.8 ~ 11.8 Nm (7.2 ~ 8.7 lb-ft) • Feed pipe bracket bolt (L): 9.8 ~ 11.8 Nm (7.2 ~ 8.7 lb-ft) • Eye bolt (M): 17.7 ~ 21.6 Nm (13.0 ~ 15.9 lbft) • Engine hoist lifting bracket: 44.1~ 53.6 Nm (32.5 ~ 39.8 lb-ft) TURBOCHARGER OIL FEED REWORK (RH SIDE) 1. Remove the engine and transmission assembly according to the vehicle shop manual, if this has not already been done for the LH side operation. Engine Mechanical System > Engine and Transmission Assembly > Engine and Transmission Assembly TSB #: 23-01-021G Page 8 of 10 SUBJECT: SUBJECT: 3.5L T-GDI ENGINE TURBOCHARGER OIL PORT RESURFACING (SERVICE CAMPAIGN T25G) 2. Disconnect the connector (A). 3. Loosen the mounting bolt (B) and remove the high-pressure fuel pump form. 4. Loosen the bracket mounting bolt (C). 5. Release the locking pin (D) and remove the bracket. TSB #: 23-01-021G Page 9 of 10 SUBJECT: SUBJECT: 3.5L T-GDI ENGINE TURBOCHARGER OIL PORT RESURFACING (SERVICE CAMPAIGN T25G) 6. Inspect the turbo oil feed mating surface on the RH side cylinder head for scratches. If a scratch is found, continue to the next step. If no scratch is found, skip Step 7 below and proceed directly to Step 8. 7. Perform the polishing procedure on the RH side according to steps 5 - 15 of the TURBOCHARGER OIL FEED REWORK (LH SIDE) procedure. STUI Using STUI in the GDS, take a picture of the NEW coated gasket with last 6-digits of VIN and date of repair on a piece of paper. See Step 15 of TURBOCHARGER OIL FEED REWORK (LH SIDE) procedure for details. Ensure the picture is in focus and VIN with date of repair are legible. Upload the photo in STUI. 8. Reinstall the removed parts in reverse order of removal. ! CAUTION Make sure to check the oil feed pipe eyebolt tightening torque. Tightening Torque: • Feed pipe bolt: 9.8 ~ 11.8 Nm (7.2 ~ 8.7 lb-ft) • Feed pipe bracket bolt: 9.8 ~ 11.8 Nm (7.2 ~ 8.7 lb-ft) • Eye bolt: 17.7 ~ 21.6 Nm (13.0 ~ 15.9 lb-ft) TSB #: 23-01-021G Page 10 of 10 SUBJECT: