1998 Cadillac STS No Heat on passenger side

Tiny
LUV MY CADDY
  • MEMBER
  • 1998 CADILLAC STS
  • V8
  • FWD
  • AUTOMATIC
  • 62,000 MILES
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
Friday, May 16th, 2008 AT 10:59 AM

2 Replies

Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
Sounds like the mixing doors may be stuck they would have to go behind the dash and fix it.
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Saturday, May 17th, 2008 AT 12:21 AM
Tiny
BUZZSAW
  • MECHANIC
  • 1,198 POSTS
The mode actuator is down by the gas petal easy to get too
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Saturday, May 17th, 2008 AT 8:58 PM

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