Heater blowing cold to warm air.

MAZDA 626
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10FOTUCK
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1. It takes about 3-5 min and temp gauge is in the middle.2. Heater core hose on bottom is hot but top hose is just warm I can wrap my my hand on it and thats even after I have driven it for 30 min.What do ya think? I should replace first or check? 90 Mazda 626 4 cyl. Automatic. 69,000 mi.
Jan 16, 2007 at 6:38 PM
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RASMATAZ
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[quote:20b7c89a71="10foTuck"]1. It takes about 3-5 min and temp gauge is in the middle.2. Heater core hose on bottom is hot but top hose is just warm I can wrap my my hand on it and thats even after I have driven it for 30 min.What do ya think? I should replace first or check? 90 Mazda 626 4 cyl. Automatic. 69,000 mi.[/quote:20b7c89a71]

Try the thermostat-inspect the heater core and hoses for clogging
Jan 16, 2007 at 8:24 PM