1996 Chevy Tahoe Hwhere are the vaccum lines for the heater

Tiny
RAWDOGDEEZEL
  • MEMBER
  • 1996 CHEVROLET TAHOE
  • V8
  • 4WD
  • AUTOMATIC
  • 920,309 MILES
My heater core, thermostat and hoses and fluidsed or how can I ru are up to par. But I still get cold air from my heater! No matter what the air is barley warm and not enough to ride in the truck with my family!But I just bought the truck and that's how the heat was and I notice there were no vaccum lines going to the heater control valve!Coul you tell me where are they located or how I could run some?Thank you so much!
Saturday, February 27th, 2010 AT 12:18 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hi, does the engine reach operating temp, are the heater hoses hot? Does the blower motor work?

I did look at vacuum diagrams for your vehicle, didn't see anything for the hvac system. I looked at hvac wiring diagrams and the actuators are electrical. I didn't think to look at DTC list, see if anything listed for hvac system?
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Saturday, February 27th, 2010 AT 12:57 PM

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