1982-1993 Chevrolet S10 / GMC S-15 Truck Shop Manual
Covers 1982-1993 Chevrolet S10, S10 Blazer, GMC S-15, S15 Jimmy models. Includes procedures for tune-up, engine, brakes, suspension, and more.
Chevrolet Models Covered & Key Technical Specifications
Models: Chevrolet S10, Chevrolet S10 Blazer, GMC S15, GMC S15 Jimmy
Sub-models / Variants: 2WD, 4WD, Pickup, Club Cab
Model Years: 1982–1993
Technical Data:
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Engine displacement: 151 cu. in. (2.5L)
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Engine configuration: Inline 4-cylinder
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Engine code: LN8 (1990)
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Horsepower: 96 hp @ 4400 rpm
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Bore: 4.00 inches (101.6 mm)
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Stroke: 3.00 inches (76.2 mm)
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Compression ratio: 8.3:1
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Fuel system: TBI (Throttle Body Injection)
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Oil capacity: 3.5 quarts (3.3L)
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Normal oil pressure: 36–41 psi @ 2000 RPM
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Brake pad wear limit: 1/8 inch
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Cylinder head bolt torque: 18 ft-lbs (initial), then 1/4 turn (90 degrees)
Chevrolet Manual Features & Content Preview
Chevrolet S10 and GMC S15 Service Documentation (1982–1993)
When you have an S-series truck on the lift, hunting for specifications wastes time. This service reference provides the exact tolerances, torque values, and electrical diagrams needed to maintain and overhaul the 1982–1993 Chevrolet S10 and GMC S15 platform. Specifically focused on the 1990 2.5L LN8 4-cylinder, it delivers technical depth without the fluff. Grab the instant download and pull up the exact schematic you need right on your bay tablet. Please note: This documentation is strictly for reference purposes. Always consult a certified technician before performing service or repairs to ensure shop safety and compliance.
Manual Features and Delivery
- Covers 1982–1993 Chevrolet S10, S10 Blazer, GMC S15, and S15 Jimmy (2WD and 4WD configurations)
- Instant download access provided the moment your payment clears
- 100-page technical reference featuring 18 detailed electrical wiring diagrams and 8 exploded-view assembly schematics
- Detailed torque specification tables for internal engine fasteners and drivetrain components
- Indexed PDF format with full search functionality across all chapters and appendices
- Secure cloud backup stored against your account so you can retrieve it after a hard-drive loss
Component and Systems Documentation
This manual details core component overhauls, focusing heavily on the 2.5L LN8 engine assembly and drive axles. It outlines the removal and installation of axle shafts, bearings, and the differential carrier. Cooling system diagnosis is straightforward with dedicated flow charts, while electrical troubleshooting is supported by wiring diagrams covering fuse blocks and under-dash components.
Technical Data and Specifications
Need clearance limits? The manual covers bore, stroke, and tolerances for main and connecting rod bearings. You get precise cylinder head tightening sequences and specific torque values. Key specifications include:
- Intake manifold bolt torque: 25 ft-lbs
- Crankshaft end play limits: 0.0035–0.0085 inches
- Coolant system capacity: 11 quarts (for the 2.5L block)
For additional help with component identification, check how factory workshop documentation is structured.
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