1991 Chevrolet S10 Blazer

1991 Chevrolet S10 Blazer

The 1991 Chevrolet S10 Blazer was a popular compact SUV that offered a combination of ruggedness and maneuverability. It was available with a variety of engine and transmission options, including a 2.5L four-cylinder, a 4.3L V6, and a 5.7L V8. Transmission choices included a four-speed manual, a three-speed automatic, and a four-speed automatic.

Owners praised the S10 Blazer for its versatility, off-road capabilities, and affordability. However, some reported issues with certain components over time.

Engine

2.5L Four-Cylinder

Intake Manifold Gasket Failure

• Description/Symptoms: Coolant leaks, overheating, rough idle
• Solution: Replace intake manifold gasket
• Estimated Cost to Fix: $200 - $400
• Recalls: None Found

4.3L V6

Intake Manifold Gasket Failure

• Description/Symptoms: Coolant leaks, overheating, rough idle
• Solution: Replace intake manifold gasket
• Estimated Cost to Fix: $300 - $500
• Recalls: None Found

5.7L V8

Head Gasket Failure

• Description/Symptoms: Coolant leaks, overheating, white smoke from exhaust
• Solution: Replace head gasket
• Estimated Cost to Fix: $1,000 - $2,000
• Recalls: None Found

Transmission

THM700R4 Four-Speed Automatic

Transmission Slippage

• Description/Symptoms: Difficulty shifting gears, loss of power
• Solution: Rebuild or replace transmission
• Estimated Cost to Fix: $1,500 - $2,500
• Recalls: None Found

NV3500 Five-Speed Manual

Grinding Gears

• Description/Symptoms: Difficult to shift gears, especially when cold
• Solution: Replace synchronizers
• Estimated Cost to Fix: $500 - $1,000
• Recalls: None Found

Suspension

Front Ball Joints

• Description/Symptoms: Clunking or popping noises, uneven tire wear
• Solution: Replace ball joints
• Estimated Cost to Fix: $200 - $300 per side
• Recalls: None Found

Rear Leaf Springs

• Description/Symptoms: Sagging rear end, reduced handling
• Solution: Replace leaf springs
• Estimated Cost to Fix: $500 - $700 per side
• Recalls: None Found

Electrical

Alternator Failure

• Description/Symptoms: Dimming lights, battery drain
• Solution: Replace alternator
• Estimated Cost to Fix: $300 - $500
• Recalls: None Found

Starter Solenoid Failure

• Description/Symptoms: Engine will not crank
• Solution: Replace starter solenoid
• Estimated Cost to Fix: $100 - $200
• Recalls: None Found

Exterior

Door Panel Rust

• Description/Symptoms: Rust spots or bubbling on door panels
• Solution: Replace door panels
• Estimated Cost to Fix: $200 - $400 per door
• Recalls: None Found

Interior

Dashboard Cracking

• Description/Symptoms: Cracks in dashboard material
• Solution: Replace dashboard
• Estimated Cost to Fix: $500 - $700
• Recalls: None Found

Door Lock Actuators

• Description/Symptoms: Doors will not lock or unlock
• Solution: Replace door lock actuators
• Estimated Cost to Fix: $100 - $200 per door
• Recalls: None Found

Summary

The 1991 Chevrolet S10 Blazer is a versatile and affordable compact SUV, but it has some common issues that owners should be aware of. The most severe issues, such as engine gasket failures and transmission slippage, can be costly to repair. However, many of the other issues are relatively minor and inexpensive to fix. Overall, the S10 Blazer remains a reliable and capable vehicle for those seeking a rugged and practical SUV.