Heater problem
1998 Cadillac STS V8 Front Wheel Drive Automatic 62000 miles
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The heater on my Caddy starts out ok when first turned on, but within about 30 seconds, it blows out cold air.

I was going to flush out the anti freeze, but discovered that the passenger side, (which has its own controls) if turned on blows nice hot air, all the time while the driver side continues cold.

Please help.

Thanks

sounds like the mixing doors may be stuck they would have to go behind the dash and fix it.

legitimate007 wrote:

sounds like the mixing doors may be stuck they would have to go behind the dash and fix it.

the mode actuator is down by the gas petal easy to get too