Car Problem Reports

Chevrolet S10 Blazer Heater Core Under Right Side of Dashboard May Leak Engine Coolant

Chevrolet S10 Blazer Problem
14 Reports
Me Too

Model Years Affected: 1990, 1991, 1992, 1993, 1994

Average Mileage: 118,937 mi (53,000 mi - 200,000 mi)


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.

Ask a Question