2003 Chevrolet Astra Service and Repair Manual

This factory service and repair manual for the 2003 Chevrolet Astra reaches across the full range rather than a single variant. Two double-overhead-cam gasoline fours are covered, the 110-cubic-inch 1.8-liter and the 134-cubic-inch 2.2-liter, both naturally aspirated. Four body styles are covered with them: sedan, four-door hatchback, wagon and two-door hatchback. Four trims — Base, Comfort, Elegance and GSi — set what equipment a given car carries, which matters most in the electrical sections, where the diagrams follow the option content rather than the model name.

Engines covered

• 1.8L inline-four (110 cu in) — DOHC, naturally aspirated, gasoline
• 2.2L inline-four (134 cu in) — DOHC, naturally aspirated, gasoline

Body styles covered

• 4-door sedan
• 4-door hatchback
• 4-door wagon
• 2-door hatchback

Trims covered

• Base
• Comfort
• Elegance
• GSi

Known issues on the 2003 Astra. The useful measure of this manual is what it lets a technician actually do — set valve train and timing specifications on either four-cylinder, torque a cylinder head correctly, diagnose the fuel and emissions controls, service the gearbox and driveshafts, align the front suspension to factory figures, rebuild the brakes, and trace a circuit through the wiring diagrams for the body it belongs to.