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1998 Oldsmobile Bravada heater/air conditioning

Tiny
SRNKA
  • MEMBER
  • 1998 OLDSMOBILE BRAVADA
Heater problem
1998 Oldsmobile Bravada All Wheel Drive Automatic

My heater stopped working and only blows out hot air even when it is turned off. My a/c also now doesnt work. Any ideas as to why or the problem?
Monday, August 23rd, 2010 AT 1:26 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
I assume you meant the A/C stopped working. Has anyone recently disconnected or killed the battery?
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Monday, August 23rd, 2010 AT 3:10 PM
Tiny
SRNKA
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No not that I know of. The heater also does not work correctly. It basiclly blows hot air for 30 sec. Then cold air 30 sec. And so on. There is a relay switch that I found below the glove box that I changed because it was making a ticking noise but did not solve the problem. When I unplugged it then it affected the back lights on the truck. So it continues to tick like a blinker is left on. This all happened at once so I dont know if it is related in any way? Thanks
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Monday, August 23rd, 2010 AT 3:32 PM
Tiny
WRENCHTECH
  • MECHANIC
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I would try pinching off one of your heater hoses so you can determine if it's a problem with the gas system or in the air controls inside.
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Monday, August 23rd, 2010 AT 3:39 PM

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