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Old 12-18-2005, 11:20 PM   #1
Scooby Newbie
Member#: 100817
Join Date: Nov 2005
Location: upstate new york
2004 subaru

Default wrx heat problem

ok guy's my mothers heats acting up on her 04 wrx (out of warrenty) works fine when your driveing but as soon as you stop in like 20 sec of the motor idleing the air coming out of the vents is cool (70) as soon as you start driving 5-8 sec it's back to normal this all happens when the car is completely warm and it's about 35 now so it's not to so cold that it going to mess with how well the heater works
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Old 12-18-2005, 11:24 PM   #2
Trust no one
Member#: 11170
Join Date: Oct 2001
Chapter/Region: Tri-State
Location: NYC
02 WRX
15 WRX/05 GTO


First thing is to check the coolant level. If it's low you may get insufficient heat. If it does turn out to be low, look for leaks because it really shouldn't have lost that much coolant.
Other possibilities are a blocked heater core (unlikely in a low mileage car), air in the system, or a failing water pump (again unlikely but not impossible).
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