2008 Harley-Davidson Dyna Super Glide, Low Rider, Wide Glide, Street Bob, and Fat Bob FXD, FXDC, FXDL, FXDWG, FXDB, FXDF Models Service Manual OEM (P/N 99481-08)
555 Pages • 35.33 MB • Instant, Printable PDF
Harley-Davidson Models Covered & Key Technical Specifications
Models: FXD Dyna Super Glide, FXDC Dyna Super Glide Custom, FXDL Dyna Low Rider, FXDWG Wide Glide, FXDB Street Bob, FXDF Fat Bob
Sub-models / Variants: 105th Anniversary (FXDWG)
Model Years: 2008
Serial Numbers: V.I.N. prefix 1HD1GN, Engine V.I.N. starts with GP483
Technical Data:
- Engine: 4-stroke, air-cooled V-twin (Twin Cam 96)
- Displacement: 1584 cc
- Idle Speed: 950–1050 RPM
- Engine Oil Capacity: 3.0 qt. (2.8 L)
- Primary Chaincase Capacity: 32 oz. (0.95 L)
- Fuel Tank Capacity: 4.8 gal. (18.2 L) to 5.1 gal. (19.3 L) depending on model
- Brake Fluid: D.O.T. 4
- Drive Belt Deflection: 5/16–3/8 in. (7.9–9.5 mm) for FXD/FXDWG/FXDF; 1/4–5/16 in. (6.4–7.9 mm) for FXDB/FXDC/FXDL
- Drain Plug Torque: 14–21 ft-lbs (19.0–28.5 Nm)
Harley-Davidson Manual Features & Content Preview
- Covers the complete 2008 Dyna lineup: Super Glide, Low Rider, Wide Glide, Street Bob, and Fat Bob
- Official Harley-Davidson OEM publication (99481-08)
- Documents maintenance, chassis, engine, fuel system, electrical, and transmission workflows across 555 pages
- The definitive factory reference for the 1584cc Twin Cam 96 powertrain
- Features step-by-step procedures for wheel lacing, wheel truing, steering head bearings, primary chaincase service, top end overhauls, bottom end rebuilds, and brake bleeding
- Includes component diagnostics for the Turn Signal and Security Module (TSM/TSSM/HFSM), Electronic Control Module (ECM), Idle Air Control (IAC), Manifold Absolute Pressure (MAP) sensor, Throttle Position Sensor (TPS), and Active Exhaust
Whether you are tearing down a Twin Cam 96 or running routine electrical troubleshooting, having the right data on hand speeds up the repair. This 2008 Harley-Davidson Dyna PDF shop manual breaks down every major system into actionable, factory-level instruction. It skips the generic advice and gets straight to the exact torque specs, fluid capacities, and wiring diagrams you actually need in the bay.
Because working on heavy cruisers involves significant mechanical force and high-pressure fuel systems, reviewing the official safety protocols and torque sequences prior to wrenching is crucial to prevent component damage or personal injury. This reference provides those exact factory parameters, ensuring your repairs meet professional standards.
Coverage spans from basic scheduled maintenance to advanced engine teardowns. You will find specific diagnostic trees for the electronic fuel injection (EFI), accurate sensor reference values, and precise routing diagrams for the wiring harness. The chassis section outlines complete front and rear wheel service, while the transmission chapters detail gear set assemblies and power flow. To fully support your daily shop operations, the content is heavily illustrated with exploded views, electrical schematics, diagnostic charts, and assembly drawings.
The main advantage of utilizing this specific documentation is the elimination of unnecessary part-swapping; factory test procedures lead you directly to the faulty component, drastically reducing downtime on the lift. Furthermore, it outlines in-depth sequences that typically require an expensive trip to the dealership. You can independently tackle intricate tasks like truing laced wheels, swapping the main drive gear bearing, rebuilding the front fork, and completely bleeding the D.O.T. 4 brake system.
Need a spec fast? Engine oil capacity is exactly 3.0 quarts (2.8 L). The rear master cylinder reservoir cover requires a delicate 6–8 in-lbs (0.7–0.9 Nm), while the transmission drain plug needs a solid 14–21 ft-lbs (19.0–28.5 Nm).
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