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108SD AND 114SD MAINTENANCE MANUALModels: 108SD114SDSTI-496-6 (6/12)Published byDaimler Trucks North America LLC4747 N. Channel Ave.Portland, OR 97217Printed in U.S.A.
ForewordPerforming scheduled maintenance operations is important in obtaining safe, reliable operation ofyour vehicle. A proper maintenance program will also help to minimize downtime and safeguardwarranties.IMPORTANT: The maintenance operations in this manual are not all-inclusive. Also refer toother component and body manufacturers’ instructions for specific inspection and maintenance instructions.Perform the operations in this maintenance manual at scheduled intervals. Perform the pretrip andpost-trip inspections, and daily/weekly/monthly maintenance, as outlined in the vehicle driver’smanual. Major components, such as engines, transmissions, and rear axles, are covered in their ownmaintenance and operation manuals, that are provided with the vehicle. Perform any maintenanceoperations listed at the intervals scheduled in those manuals. Your Freightliner Dealership has thequalified technicians and equipment to perform this maintenance for you. They can also set up ascheduled maintenance program tailored specifically to your needs. Optionally, they can assist you inlearning how to perform these maintenance procedures.IMPORTANT: Descriptions and specifications in this manual were in effect at the time ofprinting. Freightliner Trucks reserves the right to discontinue models and to changespecifications or design at any time without notice and without incurring obligation.Descriptions and specifications contained in this publication provide no warranty, expressedor implied, and are subject to revision and editions without notice.Refer to www.Daimler-TrucksNorthAmerica.com and www.FreightlinerTrucks.com for moreinformation, or contact Daimler Trucks North America LLC at the address below.Environmental Concerns and RecommendationsWhenever you see instructions in this manual to discard materials, you should attempt to reclaim andrecycle them. To preserve our environment, follow appropriate environmental rules and regulationswhen disposing of materials.NOTICE: Parts Replacement ConsiderationsDo not replace suspension, axle, or steering parts (such as springs, wheels, hubs, and steering gears)with used parts. Used parts may have been subjected to collisions or improper use and haveundetected structural damage. 2012 Daimler Trucks North America LLCAll rights reserved. No part of this publication, in whole or in part, may be translated, reproduced,stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical,photocopying, recording, or otherwise, without the prior written permission of Daimler Trucks NorthAmerica LLC. Daimler Trucks North America LLC is a Daimler company.Daimler Trucks North America LLCService Systems and Documentation (CVI-SSD)P.O. Box 3849Portland, Oregon 97208-3849
IntroductionDescriptions of Service PublicationsDaimler Trucks North America LLC distributes the following major service publications in paper and electronic(via ServicePro ) formats.Workshop/ServiceManualWorkshop/service manuals contain service and repair information for all vehiclesystems and components, except for major components such as engines, transmissions, and rear axles. Each workshop/service manual section is divided intosubjects that can include general information, principles of operation, removal,disassembly, assembly, installation, and specifications.Maintenance ManualMaintenance manuals contain routine maintenance procedures and intervals forvehicle components and systems. They have information such as lubricationprocedures and tables, fluid replacement procedures, fluid capacities, specifications, and procedures for adjustments and for checking the tightness of fasteners. Maintenance manuals do not contain detailed repair or service s/operator’s manuals contain information needed to enhance the driver’sunderstanding of how to operate and care for the vehicle and its components.Each manual contains a chapter that covers pretrip and post-trip inspections,and daily, weekly, and monthly maintenance of vehicle components.Driver’s/operator’s manuals do not contain detailed repair or service information.Service BulletinsService bulletins provide the latest service tips, field repairs, product improvements, and related information. Some service bulletins are updates to information in the workshop/service manual. These bulletins take precedence overworkshop/service manual information, until the latter is updated; at that time, thebulletin is usually canceled. The service bulletins manual is available only todealers. When doing service work on a vehicle system or part, check for a validservice bulletin for the latest information on the subject.IMPORTANT: Before using a particular service bulletin, check the currentservice bulletin validity list to be sure the bulletin is valid.Parts Technical BulletinsParts technical bulletins provide information on parts. These bulletins containlists of parts and BOMs needed to do replacement and upgrade procedures.Web-based repair, service, and parts documentation can be accessed using the following applications on theAccessFreightliner.com website.ServiceProServicePro provides Web-based access to the most up-to-date versions of thepublications listed above. In addition, the Service Solutions feature provides diagnostic assistance with Symptoms Search, by connecting to a large knowledgebase gathered from technicians and service personnel. Search results for bothdocuments and service solutions can be narrowed by initially entering vehicleidentification data.PartsProPartsPro is an electronic parts catalog system, showing the specified vehicle’sbuild record.EZWiringEZWiring makes Freightliner, Sterling, Western Star, Thomas Built Buses, andFreightliner Custom Chassis Corporation products’ wiring drawings and floatingpin lists available online for viewing and printing. EZWiring can also be accessed from within PartsPro.108SD and 114SD Maintenance Manual, January 2011I–1
IntroductionDescriptions of Service PublicationsWarranty-related service information available on the AccessFreightliner.com website includes the followingdocumentation.Recall CampaignsRecall campaigns cover situations that involve service work or replacement ofparts in connection with a recall notice. These campaigns pertain to matters ofvehicle safety. All recall campaigns are distributed to dealers; customers receivenotices that apply to their vehicles.Field Service CampaignsField service campaigns are concerned with non-safety-related service work orreplacement of parts. All field service campaigns are distributed to dealers; customers receive notices that apply to their vehicles.I–2108SD and 114SD Maintenance Manual, January 2011
IntroductionPage DescriptionFor an example of a 108SD and 114SD Maintenance Manual page, see Fig. 1.ABC26Transmission26 01 Transmission FluidLevel Check6. Clean the fill plug, then install it. Tighten the plugas follows:25 to 35 lbf·ft (34 to 48 N·m) for transmis sions with 3/4 inch pipe threads.NOTICEOperating a transmission with the fluid levelhigher or lower than recommended can result intransmission damage. Do not overfill the trans mission.60 to 75 lbf·ft (81 to 102 N·m) for trans missions with 3/4 inch pipe threads.AllisonDo not mix types and brands of fluid, because ofpossible incompatibility. Do not use fluid addi tives, friction modifiers, extreme pressure gearfluids, or multiviscosity lubricants.NOTE: For Allison transmissions equipped withan oil level sensor, the transmission fluid levelcan be checked electronically. For more infor mation, refer to the Allison Transmission web site, www.allisontransmission.com.Eaton FullerCold CheckNOTE: Check the transmission fluid level withthe transmission at operating temperature.Clean all dirt from around the end of the fluid fill tubebefore removing the dipstick. Do not allow foreignmatter to enter the transmission. Dirt or foreign mat ter in the hydraulic system may cause undue wearof transmission parts, make valves stick, and clogpassages.1.Park the vehicle on a level surface, apply theparking brakes, and chock the tires.2. Clean the area around the fill plug, then removethe plug from the side of the gear case.3. Using your gloved finger or a bent pipe cleaner,check if the fluid is level with the fill opening. SeeFig. 1.It is important to check the fluid level cold to deter mine if the transmission has a sufficient amount offluid to be safely operated until a hot check can beperformed.1.Park the vehicle on a level surface, apply theparking brakes, and chock the tires.2. Run the engine for at least one minute.3. Shift from DRIVE to NEUTRAL, and then shift toREVERSE to fill the hydraulic system.4. Shift to NEUTRAL and allow the engine to idle11/30/2010BAA. Fullat 500 to 800 rpm.f260006cB. LowFig. 1, Checking Transmission Fluid Level4. If the fluid level is low, check the transmission forleaks, and correct as needed.5. If needed, add Eaton approved fluid until it islevel with the lower edge of the fill opening.Eaton approved fluid, such as the RoadrangerSAE 50 product, meets the requirements of thePS 164 Rev. 7 lubricant specification. For moreinformation about Eaton lubricant specificationsand suppliers, call 1 800 826 4357 or see ww w.roadranger.com.108SD and 114SD Maintenance Manual, April 2011DE5.With the engine running at idle, remove the dip stick from the tube and wipe it clean.6. Insert the dipstick into the tube, then remove it.7. Check the fluid level reading, then repeat thecheck procedure to verify the reading.If the fluid level is within the COLD RUN band,the transmission may be operated until the fluidis hot enough to perform a hot check.If the fluid level is not within the COLD RUNband, add or drain fluid as needed to adjust thefluid level to the middle of the COLD RUN band.See Fig. 2.26/1F02/04/2011A.B.C.D.E.F.f020176Maintenance Operation Number consists of the Group Number followed by the Sequence NumberGroup TitleGroup NumberVehicle NameRelease DateGroup Number/Page NumberFig. 1, Example of a 108SD and 114SD Maintenance Manual Page108SD and 114SD Maintenance Manual, January 2011I–3
IntroductionMaintenance Manual ContentsGroup No.Group Title00 . . . . . . . . . . . . . . . . . . . . . . General Information01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine09 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air Intake13 . . . . . . . . . . . . . . . . . . . . . . . . . Air Compressor15 . . . . . . . . . . . . . . . . . . . Alternators and Starters20 . . . . . . . . . . . . . . . . . . . Engine Cooling/Radiator25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Clutch26 . . . . . . . . . . . . . . . . . . . . . . . . . . . Transmission31 . . . . . . . . . . . . . Frame and Frame Components32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . Suspension33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Front Axle35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rear Axle40 . . . . . . . . . . . . . . . . . . . . . . . . Wheels and Tires41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Driveline42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Brakes46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Steering47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fuel49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Exhaust60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cab72 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Doors83 . . . . . . . . . . . . . . . . . Heater and Air Conditioner88 . . . . . . . . . . . . . . Hood, Grille, and Cab FendersI–4108SD and 114SD Maintenance Manual, January 2011
General Information00Index, AlphabeticalTitle of Maintenance Operation (MOP)MOP Number00–01 Determining Scheduled Maintenance Intervals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00–0100–02 Initial Maintenance (IM) Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00–0200–03 M1 Maintenance Interval Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00–0300–04 M2 Maintenance Interval Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00–0400–05 M3 Maintenance Interval Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00–0500–06 M4 Maintenance Interval Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00–0600–07 M5 Maintenance Interval Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00–0700–08 Maintenance Sequence and Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00–0800–09 Noise Emission Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00–0900–10 Verification of Inspections Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00–1000–11 Metric/U.S. Customary Conversion Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00–1100–12 Torque Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00–12108SD and 114SD Maintenance Manual, June 2012
00General Information00–01 Determining Scheduled Maintenance IntervalsDetermining ScheduledMaintenance Intervals farm operationPerforming regular maintenance will help ensure thatyour vehicle delivers safe, reliable service and op
Freightliner Custom Chassis Corporation products’ wiring drawings and floating pin lists available online for viewing and printing. EZWiring can also be ac-cessed from within PartsPro. Introduction Descriptions of Service Publications 108SD and 114SD Maintenance Manual, January 2011 I–1. Warranty-related service information available on the AccessFreightliner.com website includes the .
