Coolant Leak From Heater Coreon Oldsmobile Alero

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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Average mileage : 82,500 (45,000–120,000)
6 Years Affected: 1999, 2000, 2001, 2002, 2003, 2004
11 people reported this problem
2 people shared problem details
HEATER CORE LEAKED OUT OF A/C CONDENSATION HOLE FROM HEATER CORE CASE. SOLUTION BECAUSE OF NO TIME TO DO IT CORRECTLY I BYPASSED THE HEATER CORE
2000 Oldsmobile Alero120,000
coolant leaked on right passenger side. caused engine to overheat. replaced heater core.
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