2008 Dodge RAM 2500, 3500 6.7L Diesel Owner's Manual (P/N 81-326-0828)

This second-edition 2008 Dodge RAM owner's manual covers 2500 and 3500 pickups with the 6.7L Cummins Turbo Diesel, including Regular Cab, Quad Cab and Mega Cab equipment. Publication No. 81-326-0828 carries a 2007 Chrysler LLC copyright; individual features apply according to the truck's equipment.

Text search and navigation: Body text is searchable, with 408 embedded PDF bookmarks covering chapters, subsections and the index. Text within some illustrations and charts is not searchable. The trailer-connector labels are clearly readable.

• Diesel operation and maintenance: Cold-weather starting, new-engine operating recommendations, exhaust-brake operation, oil and filter changes, fuel/water separator draining, and fuel-system priming.

• Transmission and four-wheel drive: 68RFE automatic and G-56 manual transmission operation, fluid checks, Tow/Haul, Electronic Range Select (ERS), and manual or electronic transfer-case shifting.

• Warning messages: Electronic Vehicle Information Center (EVIC) messages, Oil Change Required reset, exhaust particulate-filter regeneration guidance, and Tire Pressure Monitoring System (TPMS) operation.

• Security and owner settings: Sentry Key customer programming, Remote Keyless Entry settings and transmitter battery service, HomeLink programming, and manual compass calibration.

• Wheels and towing: Single- and dual-rear-wheel tire changing, jack locations, wheel-fastener specifications, trailer-light connections, and recreational towing procedures.

• Electrical and safety systems: Integrated Power Module fuse tables, bulb replacement, anti-lock brake warnings, airbags, seat belt pretensioners, and LATCH child-restraint anchors.

Written for owners learning their truck's operation and maintenance, the manual limits owner-performed service to work they have the knowledge and equipment to carry out.

Vehicle Operation and Security

Sentry Key coverage explains security-light behavior and customer key programming, which requires two valid keys. The Security Alarm System section covers arming and disarming; Remote Keyless Entry instructions distinguish EVIC-equipped trucks from versions that use transmitter-button programming.

Daily setup includes voice-command phone pairing through UConnect, Power Accessory Delay, the power sliding rear window and steering wheel locks.

Diesel Maintenance and EVIC Messages

The fuel/water separator section distinguishes water accumulation from a possible sensor or wiring fault. That distinction helps an owner identify whether the warning calls for routine draining or professional diagnosis before repair.

Service reminders: The Oil Change Required reset follows scheduled maintenance. Perform Service identifies CCV-filter replacement and EGR-valve/EGR-cooler cleaning; its reset procedure is in separate service information. The Catalyst Full discussion distinguishes regeneration guidance from a service-required condition with reduced engine output.

Air cleaner and oil filter: The air-cleaner section covers Filter Minder use and warns that mass airflow sensor damage can harm the engine and exhaust aftertreatment system. The oil-filter procedure also identifies thread and seal damage caused by overtightening.

Fluid-capacity tables, lubricant specifications and maintenance schedules cover the engine and chassis. The parts tables identify engine oil, fuel and CCV filters. The new-engine section explains that the Cummins does not require a conventional break-in period, while retaining operating and initial towing precautions.

Drivetrain, Wheels and Electrical References

Transmission fluid checks distinguish dipstick-equipped vehicles from sealed tubes requiring dealer equipment. Axle coverage includes the 9.25-inch front and 10.5- or 11.5-inch rear assemblies, with their fluid-level requirements.

Tire sizing charts accompany loading and inflation guidance. Jacking illustrations distinguish two- and four-wheel-drive trucks; wheel-changing instructions separate single rear wheels from dual rear wheels, including the latter's special lug-nut adapter.

The diesel instrument-cluster view and Engine Compartment illustration identify controls and service points. Electrical references include the 4-Pin Connector and 7-Pin Connector views, the Trailer Tow Additional Lamp Loads chart, fuse assignments and bulb-replacement drawings. These are owner-level references, without full vehicle wiring schematics or circuit-level repair procedures.

Safety Systems and Maintenance Scope

The restraint section explains driver and front-passenger airbags, optional window bags, and the Event Data Recorder (EDR). The Enhanced Accident Response System (EARS) description covers automatic door unlocking and interior lighting after airbag deployment when the electrical system remains functional.

This manual focuses on operation and standard upkeep rather than step-by-step mechanical teardowns. Internal engine and transmission overhaul require separate service manuals. Airbag repair should be handled by an authorized dealer; heavy mechanical repairs and major component replacements require qualified service personnel.

Printable PDF and Page Breakdown

Supplied as one English-language, printable 527-page PDF: 523 pages in the numbered sequence, including four blank pages, plus four unnumbered cover and end pages. Those four unnumbered pages comprise the front cover, copyright/vehicle-information page, radio-transmitting-equipment installation notice and back cover; all are included in the total.