Description
Factory Chevrolet S-10 Workshop Manual (1994-2004)
This factory-level service manual covers the second-generation Chevrolet S-10 pickup in Regular Cab, Extended Cab, and Crew Cab configurations – giving US owners and technicians everything needed to maintain, diagnose, and rebuild these compact trucks with confidence.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Gasoline | 2.2L L43 inline-four, 2.2L Ecotec four-cylinder, 4.3L Vortec V6 (L35 & LF6) |
| Diesel | N/A |
| Transmissions | NV1500 & NV3500 5-speed manual, 4L60E 4-speed automatic |
| Drive | RWD and 4WD (NP231 & NP233 transfer cases) |
| Model Years | 1994-2004 |
| Badge Twins | GMC Sonoma (GMT325 platform) |
Common S-10 Repairs Covered
| System | Procedures |
|---|---|
| 4.3L Vortec Intake Manifold | Upper and lower intake manifold gasket replacement – a known failure point causing coolant leaks on the V6 |
| 4L60E Automatic Transmission | Line pressure diagnostics, solenoid replacement, full rebuild with torque specs |
| Front Axle & 4WD Actuator | Front axle disconnect actuator service, CV shaft R&R, and hub bearing replacement |
| Fuel Injection & EVAP System | Throttle body cleaning, fuel injector testing, EVAP purge valve and canister replacement procedures |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Why do the 4.3L V6 models commonly develop intake manifold leaks?
The composite lower intake manifold gaskets used on the 4.3L Vortec V6 (L35/LF6) are prone to deterioration over time, allowing engine coolant to seep into the lifter valley. This manual provides full disassembly sequences, updated torque specs, and replacement gasket guidance so you can perform the repair correctly the first time.
Does this manual also cover the GMC Sonoma?
Yes. The GMC Sonoma shares the GMT325 platform with the Chevrolet S-10, and the two trucks are mechanically identical throughout this 1994-2004 generation. All service procedures, wiring diagrams, and specifications documented here apply equally to Sonoma variants.
Are 4WD transfer case and front axle procedures included?
Absolutely. The manual fully documents the NP231 and NP233 transfer cases along with front axle disconnect service, CV shaft removal and installation, and hub bearing replacement for all 4WD-equipped S-10 configurations including the ZR2 off-road package.
What format is the manual?
The manual is delivered as a fully searchable PDF, readable on Windows, Mac, Linux, iOS, and Android devices. Individual pages or full sections can be printed for garage use, and zoom functionality keeps all torque tables and wiring diagrams sharp at any magnification.
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