1990 Isuzu Impulse Service and Repair Manual
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1990 Isuzu Impulse Service and Repair Manual
The front-drive Impulse replaced Isuzu's rear-drive sports coupe during 1990, riding on the platform later shared with the Stylus sedan and Geo Storm. US buyers got the XS hatchback with Lotus-tuned suspension, four-wheel disc brakes, a driver's airbag and a 1.6L DOHC inline-four making about 130 horsepower. This factory service and repair manual is written for that first-year car, with procedures, specifications, torque values, wiring diagrams, diagnostics and maintenance schedules for the twin-cam engine and its manual or automatic transmission.
Engines covered
- 1.6L inline-four — DOHC, naturally aspirated, gasoline
Body styles covered
- 2-door hatchback
Trims covered
- XS
Known issues on the 1990 Impulse. One recall is on federal record. It covers a steering wheel center hub that can fracture in certain frontal collisions. NHTSA has also logged 5 owner complaints, most often about speed control and the seat belts. Steering wheel and airbag module removal steps in the manual follow the safe-handling sequence this repair requires.