Car Problem Reports

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

Chevrolet S10 Problem
39 Reports
Me Too

Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2001

Average Mileage: 149,005 mi (63,600 mi - 270,000 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.

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