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No Heat

Tiny
RUBY21
  • MEMBER
  • 1 POST
  • 2005 CHEVROLET IMPALA
  • 11,000 MILES
The control for the heater and AC does not light up on the driver side and the passenger side does
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Monday, January 13th, 2020 AT 6:31 PM (Merged)
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Check fuses, connections, and relays.
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Monday, January 13th, 2020 AT 6:31 PM (Merged)
Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
  • 2005 CHEVROLET IMPALA
  • 113 MILES
My heater is blowing cold air I had the coolent flushed and bleed but the air comming out is cold not hot. Also the hose going in is hot as shit so I dont think its getting in the cabin of the car
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Monday, January 13th, 2020 AT 6:31 PM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Sounds like you have a plugged up heater core and it will have to be replaced.
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Monday, January 13th, 2020 AT 6:31 PM (Merged)
Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
  • 2005 CHEVROLET IMPALA
  • 113,455 MILES
My Heater will only blow cold air. I flushed radiator. There is no water coming out in the car, it is not blowing antifreeze on wind sheild. No hot air at all
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Monday, January 13th, 2020 AT 6:31 PM (Merged)
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Do the heater hoses get hot? Might be a temp door under the dash having a problem? Any hvac trouble codes?
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Monday, January 13th, 2020 AT 6:31 PM (Merged)
Tiny
ANITACORBEIL
  • MEMBER
  • 1 POST
  • 2005 CHEVROLET IMPALA
  • 150,000 MILES
No heat. Water pump replaced last year. Hose broke about a month ago and all fluid was replaced. There is talk about acuators on line, but I can't locate them in the car book. Is there a fuse for them?
Thank you.
Anita
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Monday, January 13th, 2020 AT 6:31 PM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Try pulling the hvac fuse for 60 seconds with key on then reinstall sometimes that resets the actuators. There are two one for left and one for right and one for heat/cool #2 is heat but it may be #1 as well. Pic is under the dash on rh side.
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Monday, January 13th, 2020 AT 6:31 PM (Merged)
Tiny
JACKGEPHART
  • MEMBER
  • 1 POST
  • 2005 CHEVROLET IMPALA
  • FWD
  • AUTOMATIC
  • 113,000 MILES
My 2005 Chevy Impala car heater only works when I press the gas pedal down. When I'm not driving it blows cold air, what could be wrong?
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Monday, January 13th, 2020 AT 6:32 PM (Merged)
Tiny
JOHNNYT73
  • MECHANIC
  • 924 POSTS
You have air int he cooling system. These motors can be a bit of a bear to bleed out. Open the radiator when safe. Top off with coolant, start car and turn on the heat, let it warm up to operating temp, raise rpm to 2500 and hold it for 5 seconds (you will need to do this several times through out this procedure), If you have bleeders located on t he the bypass hoses (there may be 2. 8mm), crack them open just enough to let any air out and raise the rpm by hand at the throttle body. Keep doing this till you have heat at idle and a steady flow out of the bleeders, and then top off the coolant in the radiator.
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Monday, January 13th, 2020 AT 6:32 PM (Merged)

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