1990 Saab 9000 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical coverage with wiring diagrams
- Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more
Trims covered
- CD Sedan 4-Door
- Turbo Hatchback 4-Door
- S Hatchback 4-Door
- S Sedan 4-Door
- D Sedan 4-Door
Engines covered
- 2.3L 2290CC 140Cu. In. l4 GAS DOHC Naturally Aspirated
- 2.0L 1985CC l4 GAS DOHC Turbocharged
- 2.0L 1985CC l4 GAS DOHC Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
ABRASION ON THE PRINTED CIRCUIT CARD IN THE COMBINATION NEUTRAL SAFETY/BACKUP LAMP SWITCH OPERATED BY THE AUTOMATIC TRANSMISSION GEAR SELECTOR MAY CAUSE RESIDUE TO COLLECT IN ELECTRICAL AREA ON THE CI
THIS COULD CAUSE OVERHEATING OF THE SWITCH ASSEMBLY WITHSMOKE AND POSSIBLY A FIRE IN THE CENTER CONS
ADD AN ELECTRICAL CIRCUIT, INCLUDING A RELAY, TO THE BACKUP LAMP CIRCUIT TO REDUCE THE CURRENT THAT
BACKGROUD INFORMATION IN DIAGNOSING A DRIVEABILITY COMPLAINT OR THE CHECK ENGINE LAMP COMING ON. *YC
ADJUSTMENT OF BEARING TENSION. *TW
RECALL 278 - OVERHEATING OF BACK-UP LIGHT SWITCH- SAAB CARS USA, INC HAS NOTIFIED THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION (NHTSA) THAT A DEFECT WHICH RELATES TO MOTOR VEHICLE SAFETY MAY EXIST IN CERTAIN 1986, 1987, 1988, 1989 AND
ACC ELECTRONIC CONTROL MODULE. *TW
CAUGHT ON FIRE IN THE GARAGE FROM UNDER THE HOOD FROM THE WIRING HARNESS. PLEASE DESCRIBE. TT
VEHICLE WILL OCCASIONALLY BE HARD TO START, WHEN DOES START IT MISSES UNTIL REVVED TO CLEAR UP. TUNE UPS ARE PERFORMED AT RECOMMENDED MILEAGE. MY CAR IS A 1990, FIRST YEAR FOR SAAB DIRECT IGNITION.
NO SUMMARY
THE ABS WARNING LIGHT ILLUMINATED, INDICATING MALFUNCTION WITHIN THE SYSTEM. PLEASE GIVE ANY FURTHER DETAILS. *AK
Showing the 4 most serious of 8 complaints filed with NHTSA.
