D21M1
Service Bulletin Details
Public Details for: D21M1
Detroit field service campaign for dt12 transmission drive shaft cover plug reseal. Daimler trucks north america llc, on behalf of its detroit powertrain division, is initiating field service campaign d21m1 on certain dt12 transmissions in
- 2022 - 2021 - 2020 - 2019 - 2018 - 2017 - 2016 - 2015 - 2014 - 2013 - 2012 -
Models from 2021
2021 FREIGHTLINER CASCADIA |
2021 WESTERN STAR 4900 |
2021 WESTERN STAR 49X |
2021 WESTERN STAR 5700 |
Models from 2014
2014 FREIGHTLINER CASCADIA |
2014 WESTERN STAR 4900 |
Models from 2013
2013 FREIGHTLINER CASCADIA |
2013 WESTERN STAR 4900 |
Models from 2012
2012 FREIGHTLINER CASCADIA |
2012 WESTERN STAR 4900 |
Daimler Trucks Field Service Modification North America LLC April 2021 D21M1 Subject: DT12 Transmission Drive Shaft Cover Plug Reseal Models Affected: DT12 Transmissions General Information Daimler Trucks North America LLC, on behalf of its DETROITTM Powertrain Division, is initiating Field Service Campaign D21M1 on certain DT12 transmissions in order to reseal the bypass plugs of the drive shaft cover located in front housing. All affected units will require transmission removal in order to reseal the bypass plugs. This is the only repair authorized under this campaign. Some oil loss from the plugs is expected. If oil loss is excessive or location differs from the plugs called out in this document, additional repairs outside of this campaign will be required. Please conduct those repairs in accordance to the published work instructions available online. There are approximately 66 units affected by this field service campaign. Work Instructions Please refer to the attached work instructions. Prior to performing the recall campaign, check the vehicle for a completion sticker (Form WAR261). Replacement Parts Replacement parts are now available by ordering the new part number(s) listed below from your facing Parts Distribution Center. Table 1 Replacement Parts for D21M1 (All 66 vehicles) Campaign Group Part Number Part Description Quantity Required A LOC 56707 PST 567 6ML TUBE 1 A A 715 261 07 80 GASKET, INPUT SHAFT HOUSING 1 A DDE N000908018011 SCREW PLUG (optional) – Temperature Control Valve 1 A DDE N007603018101 SEAL RING – Temperature Control Valve 1 A A 003 990 29 17 SCREW PLUG (optional) – Bypass Control Valve 1 A DDE N007603027100 SEAL RING – Bypass Control Valve 1 A N000908 042001 PLUG, OIL SCREEN M42x1.5 (optional) – Pressure Control Valve 1 A N007603 042100 SEAL RING, OIL SCREEN PLUG – Pressure Control Valve 1 Daimler Trucks Field Service Modification North America LLC April 2021 D21M1 Labor Allowance Table 2 – Labor Allowance for D21M1 Procedure Time Allowed (hours) SRT Number Corrective Action 996-F026A 12-Repair Recall/Campaign D21M1 FRONT COVER, DT12, RESEAL (D21M1) 7.3 – 8.2 Claim Reimbursement You will be reimbursed for your parts, labor, and handling (landed cost for Export Distributors) by submitting your claim through the Warranty system within 30 days of completing this campaign. Please reference the following information in OWL: Table 3 - Claim Reimbursement Claim Type Field Service Campaign Campaign D21M1 Component Code Cause Code Primary Failed Part 026-001-007 A1- Campaign N000908 042001 Procedure A1 Use the following operation Labor Number 1 996-F026A Labor Hours 7.3 – 8.2 FRONT COVER, DT12, RESEAL (D21M1) Part Number Refer to Replacement Parts List above Parts Return NONE Administrative time (SRT 939-6010A) for 0.3 hours is automatically added to the claim. This Field Service Campaign will terminate on April 13, 2022. Dealers will be notified of any changes. IMPORTANT: OWL must be viewed prior to beginning work to ensure the vehicle is involved and the campaign has not previously been completed. All claims must be submitted within 30 days of the repair and within 30 days of the termination date of the campaign. For questions, U.S. and Canadian dealers, contact the Warranty Campaigns Department via Web inquiry at DTNAConnect.com / WSC. Export distributors submit a Web inquiry or contact your International Service Manager. Page 2 Daimler Trucks Field Service Modification North America LLC April 2021 D21M1 Detroit Diesel Corporation 13400 Outer Drive, West Detroit, Michigan 48239-4001 Telephone: 313‐592‐5000 Copy of Notice to Owners Subject: Field Service Campaign D21M1 DT12 Transmission Drive Shaft Cover Plug Reseal Daimler Trucks North America LLC, on behalf of its DETROITTM Powertrain Division, is initiating Field Service Campaign D21M1 to reseal the bypass plugs of the Drive shaft Cover located in the front housing of the transmission. All units will require the transmission removal in order to reseal the bypass plugs. This is the only repair authorized under this campaign. Some oil loss from the plugs is expected. Records available to us indicate that your vehicle has one of the affected assemblies. Instructions for this Field Service Campaign have been sent to your local Freightliner Authorized Repair Facility and the labor time required to perform this repair is 8.2 hours. Please contact a Freightliner Authorized Repair Facility to arrange to have the Recall Campaign performed. To locate an authorized facility, search online at https://demanddetroit.com/find-a-dealer/ This service will be completed for you at no charge, prior to April 13, 2022 under the provisions of this notice. We are sorry to cause you this inconvenience; however, we have taken this action in the interest of your continued satisfaction with our products. DETROIT WARRANTY CAMPAIGNS DEPARTMENT Enclosure Daimler Trucks Field Service Modification North America LLC April 2021 D21M1 Work Instructions Subject: DT12 Transmission Drive Shaft Cover Plug Reseal Models Affected: DT12 Transmissions Special Tools Description Part Number Lift Assembly DDE DSN012T18003 Transmission Stand Set DDE DSN012T18002 Air Line Socket DDE DSN012T18009 Front Housing Lift Handle DDE DSN012T18005 Guide Stud DDE DSN012T18010 Seal Protector Sleeve DDE DSN012T18008 Corrective Procedure 1. Remove the transmission, Refer to "Removal of the Transmission" section in the Detroit Transmissions Manual and follow all applicable steps and WARNINGS. NOTICE Depending on the manufacturer, clutch friction materials can contain asbestos. Compressed gases, such as shop air, should never be used to disperse dust in the bell or flywheel housings. 2. Lift the transmission off the transmission jack and set it vertically using the lift assembly (DDE DSN012T18003) in the stand (DDE DSN012T18002), Refer to "Transmission Stand Set" section in the Detroit Transmissions Manual. Page 4 Daimler Trucks North America LLC April 2021 D21M1 Field Service Modification 3. Remove the clutch position sensor pass-thru harness, and clutch actuator. 4. Remove the counter shaft brake air line connection, at the front cover (DDE DSN012T18009). 5. Remove the wire ties and swing the counter shaft brake air line out of the way. 6. Using two of the CPCA fasteners, install the front cover lift handle (DDE DSN012T18005), hand-tight. Page 5 Daimler Trucks North America LLC April 2021 D21M1 Field Service Modification 7. Install the seal protector sleeve (DDE DSN012T18008) on the splined section of the input shaft. 8. Remove the fasteners holding the front cover to the transmission case. 9. Evenly lift the cover from the housing, being careful not to drop the bearing races that may be caught in the housing during removal. Page 6 Daimler Trucks North America LLC April 2021 D21M1 Field Service Modification 10. Confirm all the shims and bearings are reinstalled in the transmission. 11. Support the housing on a non-mar surface, and remove the pressure control valve cap and seal ring. Page 7 Daimler Trucks Field Service Modification North America LLC April 2021 D21M1 NOTICE Do not allow the passages and valves in the housing to be exposed to solvents. If cleaning with solvents apply them to a lint-free cloth and wipe down the threads in the housing. 12. Clean the port and cap, and assemble the cap and seal ring. 13. Apply Loctite 567 (LOC 56707), high temperature thread sealant or equivalent, to the threads of the cap. 14. Install the cap and torque to 100 N·m (74 lb·ft). 15. Remove the temperature control valve cap (1). 1 16. 17. 18. 19. Clean the port and cap, and assemble the cap and seal ring. Apply Loctite 567, high temperature thread sealant or equivalent, to the threads of the cap. Install the cap and torque to 60 N·m (44 lb·ft). Remove the bypass control valve cap (2). 2 Page 8 Daimler Trucks North America LLC April 2021 D21M1 20. 21. 22. 23. Field Service Modification Clean the port and cap, and assemble the cap and seal ring. Apply Loctite 567, high temperature thread sealant or equivalent, to the threads of the cap. Install the cap and torque to 40 N·m (30 lb·ft). Apply small amount of petroleum jelly to the front cover housing bearing bores, in the zones shown below, to hold the shims in place. NOTICE If the shims fall out of the front cover they will get damaged in subsequent steps. 24. Install the shims into the front housing. Page 9 Daimler Trucks North America LLC April 2021 D21M1 Field Service Modification WARNING If the oil control rings are not centered, they can catch on the edge of the input shaft and break during installation. 25. Apply a small amount of petroleum jelly to the oil control rings (1) in the cover, and center them in the grooves. 26. 27. 28. 29. Install the front housing seal (A 715 261 07 80). Clean the fasteners and threads in the transmission case, for attaching the front cover housing. Inspect the sealing surface, and clean to remove any residual oil, particles, and residue. Install the guide stud (DDE DSN012T18010) in the top corner position of the front cover bolt pattern. 30. If not already done, install the Seal Protector Sleeve (DDE DSN012T18008) on the input shaft to protect the seal from the clutch splines; see graphic below. To prevent damage to the seal and sleeve, do not allow the sleeve to cover the seal area of the shaft. 31. Install the front cover housing. 1) Apply medium strength thread locker to the first fastener. 2) Position the front cover on the input shaft, and feed it onto the guide stud. 3) Turn the input shaft as you lower the cover into position, noting there are two alignment tasks (countershaft brake drive & oil pump drive) required to seat the cover fully. Page 10 Daimler Trucks North America LLC April 2021 D21M1 Field Service Modification NOTICE Once the counter-shaft brake drive engaged, the brake release detent spring will be pushing the cover away from the transmission housing. Keep pressure on the front cover and install one bolt to maintain the position and alignment of the components. Test the rotation of the transmission, by turning the input shaft to confirm there is no binding. 32. 33. 34. 35. Remove the guide stud. Remove the seal protector sleeve. Apply medium strength thread locker to the remaining fasteners. Install the remaining bolts in a clockwise pattern, as shown in the figure below, and use the same pattern to torque to 23 N·m (17 lb·ft). 36. Remove the front cover lift handle. Page 11 Daimler Trucks North America LLC April 2021 D21M1 Field Service Modification 37. Install the counter shaft brake line connection and torque to 10 N·m (7 lb·ft.). NOTICE When the front cover, the bearing races and shims are set correctly, the input shaft should rotate without binding. The amount of torque required depends on the gear position of the Range group, but the input shaft should turn smoothly. 38. Secure the counter-shaft brake air line to the clipping points (1). 39. Compress and install the clutch actuator, and torque to 55 N·m (40 lb·ft). 40. Install the clutch position sensor harness pass-thru. 41. Lift the transmission off the stand and set it horizontally in the transmission jack. Refer to "Transmission Stand Set" section in the Detroit Transmissions Manual. 42. Install the transmission. Refer to "Installation of the Transmission" section in the Detroit Transmissions Manual. 43. Repairs are complete. Page 12 Daimler Trucks North America LLC April 2021 D21M1 Field Service Modification Completion Stickers • Upon completion of Field Service Campaign D21M1, clean a spot on the base label (Form WAR259), write the Field Service Campaign Number D21M1 on a blank, completion sticker (Form WAR261), and attach the completion sticker to the base label. Label ordering info: DTNAConnect > Services and Reference > Publications & Warranty Supplies > Warranty Page 13