My heater only blows out cold air and dont know why this is happening people are telling me it could possibly the thermostat any other thoughts?
Feb 20, 2009 at 9:59 PM
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ZACKMAN
AUTOMOTIVE REPAIR CONTRIBUTOR
4,202 POSTS
Before you replace the thermostat, check your coolant level. If the level is low, you won't have any heat.
You also may have some clogging in the heater line going into your heater core. You may need to perform coolant flush.