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1991 Chevrolet S-10 Problems: 3 Issues Every Owner Should Know

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 3 documented known issues, with 3 rated critical. The most serious are Fuel-Tank Sender Seal Can Leak Fuel in a Rollover (Recall 91V108), Suspension Attachment Nuts Can Strip and Allow Separation (Recall 90V193) and 4WD-Mode Switch Fault Can Increase ABS Stopping Distance (Recall 99V193). DIY maintenance guides at au7o.io.

Frequently Asked Questions

What are the most common Chevrolet S-10 problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1991 Chevrolet S-10 has 3 documented issues. The most frequently reported are: Fuel-Tank Sender Seal Can Leak Fuel in a Rollover (Recall 91V108), Suspension Attachment Nuts Can Strip and Allow Separation (Recall 90V193), 4WD-Mode Switch Fault Can Increase ABS Stopping Distance (Recall 99V193). Of these, 3 are rated critical and should be addressed promptly.

Is the Chevrolet S-10 reliable?

The 1991 Chevrolet S-10 has 3 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 3 issues are rated critical: Fuel-Tank Sender Seal Can Leak Fuel in a Rollover (Recall 91V108) and Suspension Attachment Nuts Can Strip and Allow Separation (Recall 90V193) and 4WD-Mode Switch Fault Can Increase ABS Stopping Distance (Recall 99V193). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

What is the 1991 Chevrolet S-10 Fuel-Tank Sender Seal Can Leak Fuel in a Rollover (Recall 91V108)?

Certain 1991 Chevrolet S10 pickups were shipped with the fuel-tank sender seal out of position. In a rollover, the displaced seal can allow fuel spillage beyond the FMVSS 301 limit; spilled fuel can ignite near an ignition source. Severity: high.

What is the 1991 Chevrolet S-10 Suspension Attachment Nuts Can Strip and Allow Separation (Recall 90V193)?

Certain 1991 Chevrolet S10 pickups were assembled with out-of-specification nuts at the lower control arms, rear springs and shackles, and rear shock absorbers. A nut can strip, reduce clamp load and allow a suspension attachment to detach, causing loss of control. Severity: high.

What is the 1991-1996 Chevrolet S-10 4WD-Mode Switch Fault Can Increase ABS Stopping Distance (Recall 99V193)?

Certain 1991-1996 four-wheel-drive Chevrolet S10 pickups with ABS can have the switch that identifies two-wheel- versus four-wheel-drive mode malfunction. During an ABS stop while the truck is in two-wheel drive, the fault can increase stopping distance and raise crash risk witho… Severity: high.

1991 Chevrolet S-10 Problems: 3 Issues Every Owner Should Know

All 3 Known Issues

1991 Chevrolet S-10: Fuel-Tank Sender Seal Can Leak Fuel in a Rollover (Recall 91V108)#

Common Symptoms

How to Fix

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1991 Chevrolet S-10: Suspension Attachment Nuts Can Strip and Allow Separation (Recall 90V193)#

Common Symptoms

How to Fix

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1991-1996 Chevrolet S-10: 4WD-Mode Switch Fault Can Increase ABS Stopping Distance (Recall 99V193)#

Common Symptoms

How to Fix

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Other Chevrolet Models

Frequently Asked Questions

What are the most common Chevrolet S-10 problems?

Is the Chevrolet S-10 reliable?

What is the 1991 Chevrolet S-10 Fuel-Tank Sender Seal Can Leak Fuel in a Rollover (Recall 91V108)?

What is the 1991 Chevrolet S-10 Suspension Attachment Nuts Can Strip and Allow Separation (Recall 90V193)?

What is the 1991-1996 Chevrolet S-10 4WD-Mode Switch Fault Can Increase ABS Stopping Distance (Recall 99V193)?