1990 Chevrolet S10 Blazer Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Chevrolet S10 Blazer

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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 technicians tell us that removal of the dash board is necessary to replace the heater on these vehicles.

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 motor will commonly correct this concern.

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.

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hello my s10 blazer has aproblem with high idle it will not idle down after i drive it a while

vehicle heats up to over 210 when driving down the road don't know why when idleing it drops below 210

it still runs because i take extreme care of it

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