2004 Mazda B4000 Service and Repair Manual

This factory service and repair manual for the 2004 Mazda B4000 applies to a year in which the truck used a gasoline 4.0L V6 of 245 cubic inches, built around a single overhead camshaft layout and breathing without forced induction. Two extended cab bodies were listed, one with two doors and one with four: the 2-door extended cab pickup and the 4-door extended cab pickup. Trim choices were Base, DS and SE. Inside, you will find specifications, procedures and wiring diagrams for the engine, electrical system, brakes and body.

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 2004 B4000. Cooling system procedures and specifications for the 2004 B4000 relate to its naturally aspirated 4.0L V6, which uses a single overhead camshaft layout and runs on gasoline. The engine itself, the fuel system and the ignition get procedures, torque values and diagnostics, and the transmission, drivetrain, brakes, suspension and steering are addressed with specifications. For the 2-door extended cab pickup and the 4-door extended cab pickup in Base, DS and SE trim, wiring diagrams follow the electrical system and body procedures cover the cab.