This factory service and repair manual for the 2004 Chevrolet Sonora has one engine, one body and one trim to describe, and that narrow scope shows in the specificity of what follows: the naturally aspirated 5.3L OHV V8 of 325 cubic inches, a four-door sport utility, Base specification. Engine mechanical work, fuel and ignition management, driveline service, chassis repair and body electrical diagnosis are each set out with the specifications and torque values that apply to that single configuration.
Engines covered
- 5.3L V8 (325 cu in) — OHV, naturally aspirated, gasoline
Body styles covered
- 4-door sport utility
Trims covered
- Base
Known issues on the 2004 Sonora. No recall has been issued for this model year and no owner complaint has been recorded, so the federal record stands clean. The manual is therefore a maintenance and repair reference first: oil, coolant and fluid specifications; intake, exhaust and emissions component service; ignition and fuel system testing with the values a reading should be compared against; brake, steering and suspension procedures with their torque figures; and wiring diagrams that let a circuit be traced end to end while the diagnostics are followed.
