1990 Saab 900 Service and Repair Manual

This factory service and repair manual for the 1990 Saab 900 concerns a car built around twin overhead camshafts. Both engines are gasoline 2.0L inline-fours with DOHC heads, one naturally aspirated and one turbocharged. The data lists three bodies (four-door sedan, two-door hatchback, two-door convertible) and four trims: Base, S, SPG and Turbo. Torque values, specifications and wiring diagrams are provided for the engine and fuel system, ignition, cooling, transmission, brakes, suspension, steering and body.

Engines covered

• 2.0L inline-four — DOHC, naturally aspirated, gasoline
• 2.0L inline-four — DOHC, turbocharged, gasoline

Body styles covered

• 4-door sedan
• 2-door convertible
• 2-door hatchback

Trims covered

• Base
• S
• SPG
• Turbo

Known issues on the 1990 900. Owners have filed 19 complaints about the 1990 900. Hydraulic service brakes lead with 7, followed by vehicle speed control with 3, and air bags, the electrical system and engine and engine cooling with 2 apiece. Among those complaints, 4 reported a crash, 2 reported an injury and 1 reported a fire. Because the hydraulic brakes draw the most attention, the manual's brake specifications, procedures and diagnostics are the natural starting point, with electrical wiring diagrams and engine cooling procedures close behind.