Blowing warm heat...
Everything is new/replaced. thermostat, htr core, H2o pump, elect fan/works fine. Heater blows ONLY warm & dial is all the way to max. Was fine B4 htr core was replaced(it was leaking).. has me stumped... any suggestions. PS. HTR CORE HAS BEN BACKFLUSHED/NO AIR IN SYSTEM.
If both hoses going to the heater core are hot I would suspect a blend door or blend door actuator issue.
will check that out thanks a bunch
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