2000 GMC New Sierra 1500 "air coming dash" Questions

...air is in the dash not coming out of the vents, why? Heat is in the dash board not coming out of the vents. Usually a sign of a faulty blend door. The blend doors direct air thru the heater core and ...

...air or heat will only come out of defrost. wont blow out vents or feet. sounds like there is a vacuum leak, possibly under the hood.. Vaccumm is needed to change the mode doors. Ryan I have a 1994 ...

...dash lights and cd player come on but the truck doesnt turn over right away sometimes it takes 5-10 minutes 2 start of repetitively turning key over battrey is good but truck makes no sound and wont ...

...defroster and floor but not main dash vents The dash vents are open and cold air comes out the defroster and floor and rear vents but very little comes from the dash vents. Check for vacuum hose

...Air bag and ABS lights in the dash come on intermittingly. Once they come on, they stay on until the engine is turned off. We may drive a week without them coming on, then bam here they are again. ...

...air coming out of the dash vents, All of the air is coming out of the floor vents, I have changed the control settings several times, but cannot get the air to come out of the dash vents. It used to ...

air conditioner come on. heater works fine. Fuse in dash fuse box is good. 2001 GMC Sierra the compressor, or the compressor clutch are most likely candidates. it is 10 and they both have served their

dash. This clapping happens when the key is first turned on and when the engine is shut off. It appears to be the heating and air directional flap. What would cause this? i would check for CAT problem

air is very little. Sounds like you probably have a bad vacuum line on the back of the heater control. If you remove the heater control from the dash, you will find a vacuum hose cluster attached, you

...coming from behind the instrument panel or somewhere in that area. Now there is no clicking sound or air blowing out the dash vents. Please help, HOT in TX. the air vent is control in your consul ...