1990 Chevrolet S10 Blazer Service and Repair Manual
This factory service and repair manual for the 1990 Chevrolet S10 Blazer has one engine to document, the naturally aspirated 4.3-liter overhead-valve V6 of 262 cubic inches, in one body, the two-door sport utility, across three trims: Base, Sport and Tahoe. That is as simple as this vehicle's coverage gets, and it shows in the work: every fuel pressure figure, ignition timing value, valvetrain clearance and torque specification in the engine chapters applies to the vehicle in front of the technician.
Engines covered
- 4.3L V6 (262 cu in) — OHV, naturally aspirated, gasoline
Body styles covered
- 2-door sport utility
Trims covered
- Base
- Sport
- Tahoe
Known issues on the 1990 S10 Blazer. Owners have logged 32 complaints against the 1990 Blazer. Service brakes account for ten of them, the engine and cooling system for five and the fuel system for four. This manual carries what those repairs require: hydraulic brake diagnosis with lining and drum or rotor wear limits and the bleeding sequence, cooling system pressure and thermostat testing with water pump torque values, and fuel delivery diagnostics covering pump, pressure and sender service along with the wiring that supports them.
