2004 Chevrolet Astra Service and Repair Manual
This factory service and repair manual for the 2004 Chevrolet Astra deals with three engines rather than two: a 2.4-liter of 146 cubic inches with double overhead cams, and two 2.0-liter units of 122 cubic inches, one single-overhead-cam and one double, all naturally aspirated and all gasoline. Three bodies are covered — the four-door sedan, the four-door hatchback and the two-door hatchback — in Base, Comfort, Elegance and GSi form. Because two engines share a displacement and differ in valve train, the specification tables have to be read by camshaft arrangement, not by liters alone.
Engines covered
- 2.4L inline-four (146 cu in) — DOHC, naturally aspirated, gasoline
- 2.0L inline-four (122 cu in) — SOHC, naturally aspirated, gasoline
- 2.0L inline-four (122 cu in) — DOHC, naturally aspirated, gasoline
Body styles covered
- 4-door sedan
- 4-door hatchback
- 2-door hatchback
Trims covered
- Base
- Comfort
- Elegance
- GSi
Known issues on the 2004 Astra. For this model year the federal record carries nothing: no recall campaigns and no owner complaints. That puts the weight on the procedures themselves, and the engine chapters are where it lands — cam timing and head torque sequences that differ between the single- and double-overhead-cam two-liter, fuel and ignition diagnostics for all three engines, plus transmission, suspension, brake and air conditioning specifications and body wiring diagrams for each of the three shells.
