2003 Mazda B4000 Service and Repair Manual

This factory service and repair manual for the 2003 Mazda B4000 describes a pickup with three trims (Base, DS and SE) and two extended cab bodies, the 2-door extended cab pickup and the 4-door extended cab pickup. A 4.0L V6 displacing 245 cubic inches provides the power; it is built with a single overhead camshaft layout, is naturally aspirated, and uses gasoline. Coverage includes procedures and specifications for the engine and drivetrain, torque values for the suspension and steering, and wiring diagrams for the electrical system.

Engines covered

• 4.0L V6 (245 cu in) — SOHC, naturally aspirated, gasoline

Body styles covered

• 2-door extended cab pickup
• 4-door extended cab pickup

Trims covered

• Base
• DS
• SE

Known issues on the 2003 B4000. Diagnostics for the engine and the electrical system of the 2003 B4000 come with procedures, specifications and torque values for its 4.0L V6, a gasoline engine with a single overhead camshaft layout. The fuel system, ignition and cooling system are covered on the same terms, as are the transmission, drivetrain, brakes, suspension and steering. Wiring diagrams address the Base, DS and SE trims, and body procedures apply to the 2-door extended cab pickup and the 4-door extended cab pickup.