1997 Honda Accord HEATER CORE

Tiny
JB0158
  • 1997 HONDA ACCORD

Heater problem
1997 Honda Accord 4 cyl Two Wheel Drive Automatic 158000 miles

HEATER DONT WORK

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Thursday, December 24th, 2009 AT 9:21 AM

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Tiny
MERLIN2021
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Heater Core " Plugged

WARNING: The heater core inlet hose will become too hot to handle if the system is working correctly.

Check to see that the engine coolant is at the correct level.
Start the engine and turn on the heater.
When the engine coolant reaches operating temperature, feel the heater core inlet and outlet hose to see if they are hot.
If the inlet hose is not hot:

the thermostat is not working correctly.
If the outlet hose is not hot:

the heater core may have an air pocket.
The heater core may be restricted or plugged.
If both are hot, the temperature blend door in the heater plenum may be broken or stuck.

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Thursday, December 24th, 2009 AT 9:25 AM

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