1991 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated August 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1991 Chevrolet S-10 has 1 documented issue. No issues are rated critical, indicating generally reliable ownership. Across all issues with published estimates, repair costs range from $80 to $350. DIY maintenance guides at au7o.io.
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1991 Chevrolet S-10 has 1 documented issue. The documented issue is: 4WD Front Axle Vacuum Actuator Engagement Failure. None are rated critical, but regular maintenance is recommended.
The 1991 Chevrolet S-10 has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. No issues are rated critical, suggesting generally good reliability. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
Repair costs for known Chevrolet S-10 issues range from $80 to $350, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
4x4 S-10s use a vacuum-operated front-axle engagement system: a transfer-case vacuum switch directs engine vacuum to an actuator (near the battery/driver-side of the front diff) that pulls a cable/fork to lock the right front axle into the differential. With age the diaphragm act… Repairs typically run $80-$350. Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.
