sticky thermastat?

[3seriescr250]

my car blows out cold air for a while when worming up id drive prob 5 miles and still cold air then all of a sudden it desides to blow warm air u think its a sticky thermastat?

[exodus454]

Do you get full water temp before this happens?

[3seriescr250]

ya

[DeanR]

Try adding some coolant and bleeding your system.