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1994 Chevrolet S10 Blazer Problems

Find the most common issues based on 1994 Chevrolet S10 Blazer owner complaints.
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Most Common 1994 Chevrolet S10 Blazer Problems

The heater core under the right side of the dashboard may leak engine coolant which can puddle on the passenger front floor. The loss of coolant may cause an engine overheating condition. Our tech...
The Anti-lock brake system (ABS) control unit may fail internally causing the ABS warning light to illuminate.
A door window may move slowly or stop in mid travel due to a failing power window motor. The affected window may start working again after the motor cools off. Replacing the faulty window mot...
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1 Known 1994 Chevrolet S10 Blazer Brakes Problem

The Anti-lock brake system (ABS) control unit may fail internally causing the ABS warning light to illuminate.

2 Known 1994 Chevrolet S10 Blazer Drive Train Problems

The transmission output shaft seal may leak transmission fluid. On 2WD models, this leak can cause the transmission mount to become oil soaked, which will require replacement of the mount along w...
Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order.

4 Known 1994 Chevrolet S10 Blazer Electrical & Lights Problems

A door window may move slowly or stop in mid travel due to a failing power window motor. The affected window may start working again after the motor cools off. Replacing the faulty window mot...
The electrical contacts in the ignition switch may fail and result in erratic instrument panel gauge operation or illumination of the Check Engine Light. A failed ignition switch will require repla...
The power door locks may stop working in one or more doors due to a failed actuator. Replacement of the failed actuator should correct this concern.

6 Known 1994 Chevrolet S10 Blazer Engine Problems

The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell ...
The distributor may develop internal faults. This can cause a rough running engine or stalling condition, the Check Engine Light may or may not illuminate. Our technicians tell us that the distribu...

1 Known 1994 Chevrolet S10 Blazer Exhaust & Emissions Problem

4.3L V6 multi-port FI only The exhaust gas recirculation valve (EGR) may stick open causing a rough idle and the Check Engine Light to illuminate. Our technicians tell us that a piece of carbon may...

1 Known 1994 Chevrolet S10 Blazer Heating & Air Conditioning Problem

The heater core under the right side of the dashboard may leak engine coolant which can puddle on the passenger front floor. The loss of coolant may cause an engine overheating condition. Our tech...

1 Known 1994 Chevrolet S10 Blazer Maintenance Problem

Brake fluid can become dirty and may cause problems in the brake system; it should be flushed every 60,000 miles.

0 Known 1994 Chevrolet S10 Blazer Miscellaneous Problems

0 Known 1994 Chevrolet S10 Blazer Suspension & Steering Problems

16
Known 1994 Chevrolet S10 Blazer Problems & Complaints

The distributor may develop internal faults. This can cause a rough running engine or stalling condition, the Check Engine Light may or may not illuminate. Our technicians tell us that the distribu...
The Anti-lock brake system (ABS) control unit may fail internally causing the ABS warning light to illuminate.
A door window may move slowly or stop in mid travel due to a failing power window motor. The affected window may start working again after the motor cools off. Replacing the faulty window mot...
The heater core under the right side of the dashboard may leak engine coolant which can puddle on the passenger front floor. The loss of coolant may cause an engine overheating condition. Our tech...
An oil leak may develop from the distributor o-ring seal requiring replacement of the seal.
On vehicles with intermittent windshield wipers, the wiper motor circuit board may fail and cause the wipers to stop working at times. Replacing the circuit board should resolve the issue. So...
Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order.
Brake fluid can become dirty and may cause problems in the brake system; it should be flushed every 60,000 miles.
4.3L V6 multi-port FI only The exhaust gas recirculation valve (EGR) may stick open causing a rough idle and the Check Engine Light to illuminate. Our technicians tell us that a piece of carbon may...
The electrical contacts in the ignition switch may fail and result in erratic instrument panel gauge operation or illumination of the Check Engine Light. A failed ignition switch will require repla...
The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.
A coolant leak may develop from the water pump. The engine may overheat as a result of the coolant loss. A leaking water pump should be replaced.
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell ...
The power door locks may stop working in one or more doors due to a failed actuator. Replacement of the failed actuator should correct this concern.
The transmission output shaft seal may leak transmission fluid. On 2WD models, this leak can cause the transmission mount to become oil soaked, which will require replacement of the mount along w...
Get a Repair Estimate
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RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
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