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.
Coolant Leak From Heater Core on Oldsmobile Alero
Average mileage: 103,137 (45,000–144,412)
13 people reported this problem
3 people shared problem details
2000 Oldsmobile Alero45,000Visitor
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 AleroVisitor
No heat because of heater core
2000 Oldsmobile Alero120,000Visitor
coolant leaked on right passenger side. caused engine to overheat. replaced heater core.
Does my car have to go to the shop to fix the heater blower or can it be done at home?
how do i change heater core in a 99 olds alero
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